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Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

According to the first paragraph, reptiles, birds, mammals and insects__________ 

A. were the ones living on the marine organisms. 

B. moved to deserts to find feeding grounds. 

C. left the water at the same time of scorpions, snails and crustaceans. 

D. are the species whose ancestors succeeded in moving from water to land.

1
11 tháng 4 2017

Đáp án D

 Theo đoạn văn số 1, bò sát, chim, động vật có vú và côn trùng________

A. là những loài sống nhờ vào sinh vật dưới nước.

B. di chuyển đến sa mạc để tìm khu vực kiếm thức ăn.

C. rời khỏi môi trường nước cùng thời điểm của bọ cạp, ốc sên và loài giáp xác

D.là những loài mà tổ tiên chúng đã thành công trong việc rời khỏi môi trường nước để lên cạn.

Từ khóa: reptiles, birds, mammals and insects

Căn cứ vào đoạn văn đầu tiên:

“In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes

and centipedes, spiders and various worms. ”(Ngoài các loài bò sát, chim, động vật có vú và côn trùng mà chúng ta nhìn thấy hiện nay, các loài khác cũng đã thành công trong việc rời khỏi môi trường nước bao gồm bọ cạp, ốc sên, động vật giáp xác như con mối và cua đất, động vật nhiều chân và con rết nhện và nhiều loài giun khác.)

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

 It can be inferred from the last passage that________

A. the body features of the fossil animals help scientists to distinguish the terrestrial and marine species. 

B. turtles’ ancestor and dinosaurs became extinct contemporarily. 

C. it‘s clear to determine the living places of all species through the fragments found. 

D. the fossils of turtles and tortoises might have the similar appearances with dolphins.

1
8 tháng 4 2019

Đáp án A

 Có thể suy ra từ đoạn cuối rằng_________

A. đặc điểm cơ thể của các động vật hóa thạch giúp các nhà khoa học phân biệt được loài sống trên cạn và dưới nước.

B. tổ tiên loài rùa và khủng long tuyệt chủng cùng thời.

C. rất rõ ràng để phân biệt nơi sống của tất cả các loài thông qua các mảnh vỡ được tìm thấy.

D. hóa thạch của rùa cạn và rùa biển có thể có ngoại hình giống với cá heo.

Căn cứ thông tin đoạn cuối:

“You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. Ichthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by measuring the bones of their forelimbs.”

(Bạn có thể tư hỏi chúng ta có thể biết liệu động vật hóa thạch đó sống trên cạn hay dưới nước bằng cách nào, đặc biệt là nếu chỉ tìm thấy các mảnh vỡ. Đôi khi nó rất rõ ràng. Thần lằn cá là loài bò sát sống cùng thời với khủng long, với vây cá và cơ thể được sắp xếp hợp lý. Hóa thạch của chúng trông giống như cá heo và chúng chắc chắn giống cá heo là sống trong môi trường nước. Với rùa thì ít rõ ràng hơn. Một cách để xác định được là đo xương bàn chân trước của chúng)

 

 

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

The word “ceased" in paragraph 2 mostly means__________ 

A. stopped happening or existing

B. got familiar 

C. began to happen or exist 

D. decided to become

1
4 tháng 6 2017

Đáp án A

Từ "ceased” trong đoạn 2 có nghĩa là______

A. dừng xảy ra hay tồn tại               B. quen với

C. bắt đầu diễn ra hay tồn tại               D. quyết định trở thành

Từ đồng nghĩa: ceased [chấm dứt) = stopped happening or existing

“Whales (including the small whales we call dolphins) and dugongs, with their Close cousins the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors.” (Cá voi (bao gồm có những con cá voi nhỏ mà chúng ta gọi là cá heo) và cá nược, với những người anh em họ thân thiết của chúng - lợn biển, đã hoàn toàn không còn là sinh vật trên cạn và trở lại tốt có thói quen ở biển của tổ tiên xa xôi).

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

As mentioned in paragraph 2, which of the following species returned to the water least completely? 

A. whales  

B. manatees 

C. turtles 

D. dugongs

1
5 tháng 8 2019

Đáp án C

Như được đề cập trong đoạn 2, loài vật nào sau đây không hoàn toàn trở về môi trường nước nhất?

A. cá voi     B. lợn biển C. rùa                  D. cá nuợc

Từ khóa: returned to the water least completely

Căn cứ thông tin đoạn 2:

“Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don’t even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in

one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches. ”(Cá voi (bao gồm cả những con cá voi nhỏ mà chúng ta gọi là cá heo) và cá nược, với những người anh em họ thân thiết của chúng - lợn biển, đã hoàn toàn không còn là sinh vật trên cạn và trở lại tất cả thói quen ở biển của tổ tiên xa xôi. Chúng thậm chí còn không lên bờ để sinh sản. Tuy nhiên, chúng vẫn hít thở không khí, Chúng cũng chưa từng phát triển bất cứ thứ gì tương đương với mang của hiện thân dưới biển trước đây của họ. Rùa đã quay trở lại biển cách đây rất lâu và giống như tất cả những động vật có xương sống trở về sống ở dưới nước, chúng hít thở không khí. Tuy nhiên, xét về một khía cạnh nào đó, chúng trở lại môi trường nước không hoàn toàn như cá voi hoặc cá nược, vì rùa vẫn đẻ trứng trên các bãi biển.)

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

 Which of the following best serves as the main idea for the passage?

 

 

A. The evidences of the time marine animals moved to land. 

B. The relationship between terrestrial species and marine creatures. 

C. The reasons why species had to change their living place. 

D. The evolution of marine species in changing places to live

1
16 tháng 9 2017

Đáp án D

Câu nào trong các câu sau thể hiện tốt nhất ý chính của đoạn văn?

A. Những bằng chứng về thời điểm các loài động vật dưới nước di chuyển lên cạn.

B. Mối quan hệ giữa các loài sống trên cạn và các loài ở dưới nước.

C. Những nguyên nhân tại sao các loài phải thay đổi nơi sống.

D. Sự tiến hóa của các loài vật dưới nước khi thay đổi môi trường sống.

Căn cứ vào thông tin đoạn 1:

“If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. "(Nếu bạn quay trở lại đủ xa, mọi sinh vật đều sống dưới biển. Ở những thời điểm khác nhau trong lịch sử tiến hóa, những cá thể mạnh dạn trong nhiều loài khác nhau đã di chuyển lên đất liền, đôi khi còn đến tận những sa mạc khô cằn nhất, mang theo nước biển trong máu và dịch tế bào của chúng.)

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

 According to the passage, which of the following is NOT true?

 

 

A. Seals are able to live on land and in the water. 

B. Some terrestrial habits were remained when the species reverted to water life. 

C. Apart from breathing and breeding, marine species were expected to change nothing to live on land. 

D. lchthyosaurs might have resembled dolphins.

1
29 tháng 4 2018

Đáp án C

Theo đoạn văn, câu nào sau đây không đúng?

A. Hải cẩu có thể sống được ở cả trên cạn lẫn dưới nước.

B. Một vài thói quen trên cạn vẫn được duy trì khi các loài quay trở về sống dưới biển

C. Ngoại trừ hô hấp và sinh sản, các loài dưới nước không phải thay đổi gì khi di chuyển lên cạn

D. Thằn lằn cá có nét tương đồng với cá heo.

Từ khóa: NOT TRUE

Căn cứ thông tin trong đoạn văn:

- "Seals have only gone part way back. They show us what the intermediates might have been like.” (Hải cẩu chỉ quay trở về 1 phần. Chúng cho ta thấy những sinh vật trung gian sống như thế nào)

- "Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.” (Rùa đã quay trở lại biển cách đây rất lâu và giống như tất cả những động vật có xương sống trở về sống ở dưới nước, chúng hít thở không khí. Tuy nhiên, xét về một khía cạnh nào đó, chúng trở lại môi trường nước không hoàn toàn như cá voi hoặc có nược, vì rùa vẫn đẻ trứng trên các bãi biển)

- "Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction." (Di chuyển từ môi trường nước lên cạn đòi hỏi phải thiết kế lại mọi mặt của cuộc sống, bao gồm hô hấp và sinh sản)

- “Ichthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water." ( Thằn lằn cá là loài bò sát sống cùng thời với khủng long, với vây cá và cơ thể được  sắp xếp hợp lý. Hóa thạch của chúng trông giống như cá heo và chúng chắc chắn giống cá heo là sống trong môi trường nước)

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

 The word “incarnation" in the second paragraph could be best replaced by­­­­­________

 

 

A. ancestor

B. embodiment  

C. evolution 

D. natural selection

1
24 tháng 10 2017

Đáp án D

Từ "incarnation" trong đoạn 2 có thể được thay thế tốt nhất bằng từ_____

A. tổ tiên             B. hiện thân                   C. sự tiến hoá                          D. chon lọc tự nhiên

Từ đồng nghĩa: incarnation [hiện thân] = embodiment

“They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation.” (Tuy nhiên, chúng vẫn hít thở không khí, chưa từng phát triển bất cứ thứ gì tương đương với mang của hiện thân dưới biển trước đây của họ].

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question.

 

If you go back far enough, everything lived in the sea. At various points in evolutionary history, enterprising individuals within many different animal groups moved out onto the land, sometimes even to the most parched deserts, taking their own private seawater with them in blood and cellular fluids. In addition to the reptiles, birds, mammals and insects which we see all around us, other groups that have succeeded out of water include scorpions, snails, crustaceans such as woodlice and land crabs, millipedes and centipedes, spiders and various worms. And we mustn't forget the plants, without whose prior invasion of the land, none of the other migrations could have happened.

Moving from water to land involved a major redesign of every aspect of life, including breathing and reproduction. Nevertheless, a good number of thoroughgoing land animals later turned around, abandoned their hard-earned terrestrial re-tooling, and returned to the water again. Seals have only gone part way back. They show us what the intermediates might have been like, on the way to extreme cases such as whales and dugongs. Whales [including the small whales we call dolphins] and dugongs, with their close cousins, the manatees, ceased to be land creatures altogether and reverted to the full marine habits of their remote ancestors. They don't even come ashore to breed. They do, however, still breathe air, having never developed anything equivalent to the gills of their earlier marine incarnation. Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air. However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.

There is evidence that all modern turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs. There are two key fossils called Proganochelys quenstedti and Palaeochersis talampayensis dating from early dinosaur times, which appear to be close to the ancestry of all modern turtles and tortoise. You might wonder how we can tell whether fossil animals lived in land or in water, especially if only fragments are found. Sometimes it's obvious. lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water. With turtles it is a little less obvious. One way to tell is by

measuring the bones of their forelimbs.

 What does the word "they” in the last paragraph refer to

 

 

A. dinosaurs

B. fins and streamlined bodies 

C. ichthyosaurs 

D. dolphins

1
6 tháng 1 2017

Đáp án C

Từ “they” trong đoạn cuối để cập đến từ nào?

A. khủng long                                  B. vây cá và cơ thể được sắp xếp hợp lý

C. thằn lằn cá                                     D. cá heo

Căn cứ thông tin đoạn cuối:

"lchthyosaurs were reptilian contemporaries of the dinosaurs, with fins and streamlined bodies. The fossils look like dolphins and they surely lived like dolphins, in the water." (Thằn lằn cá là loài bò sát sống cùng thời với khủng long, với vây cá và cơ thể được sắp xếp hợp lý. Hóa thạch của chúng

trông giống như cá heo và chúng chắc chắn giống cá heo là sống trong môi trường nước.)

Read the passage, then choose the best answer by circling the letter A, B, C or D ( 15p ): In the very distant geological past, all animals were aquatic. The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living. Their streamlined bodies were covered with scales to reduce surface friction: they had muscular tails so that they could swim swiftly in such a dense medium as water; and they...
Đọc tiếp

Read the passage, then choose the best answer by circling the letter A, B, C or D ( 15p ):

 

In the very distant geological past, all animals were aquatic. The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living. Their streamlined bodies were covered with scales to reduce surface friction: they had muscular tails so that they could swim swiftly in such a dense medium as water; and they were endowed with gills for breathing underwater.

   Descendants of fish-type ancestors crossed the seashore barrier and accommodated themselves to life on land.

 As amphibians, they possessed limbs instead of fins and lungs instead of gills. But they never became completely free of the bonds that tied them to the water; even today many amphibians return to the water to lay their eggs.

   Millions of years after the first clumsy amphibians crawled over the land, newer types of land dwellers appeared, these animals give rise to the present-day reptiles and mammals. They were completely converted for land dwelling, with bodies and biological activities far different from those of fish. With these special adaptations, mammals have been able to colonize the woods and meadows, the deserts and high mountains, often far removed from the sea.  

In converting to land life, animals acquired………….. 

A. eyes

B. Warm blood 

C.tails

D. Lungs

1
25 tháng 2 2018

Giải thích: Dựa vào đoạn “Millions of years after the first clumsy amphibians crawled over the land, newer types of land dwellers appeared, these animals give rise to the present-day reptiles and mammals. They were completely converted for land dwelling, with bodies and biological activities far different from those of fish. “

Đáp án  B

Read the passage, then choose the best answer by circling the letter A, B, C or D ( 15p ): In the very distant geological past, all animals were aquatic. The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living. Their streamlined bodies were covered with scales to reduce surface friction: they had muscular tails so that they could swim swiftly in such a dense medium as water; and they...
Đọc tiếp

Read the passage, then choose the best answer by circling the letter A, B, C or D ( 15p ):

 

In the very distant geological past, all animals were aquatic. The very first vertebrates or animals with backbones, of which we have any fossil record, lived in water. These vertebrates, the fish, were adapted to underwater living. Their streamlined bodies were covered with scales to reduce surface friction: they had muscular tails so that they could swim swiftly in such a dense medium as water; and they were endowed with gills for breathing underwater.

   Descendants of fish-type ancestors crossed the seashore barrier and accommodated themselves to life on land.

 As amphibians, they possessed limbs instead of fins and lungs instead of gills. But they never became completely free of the bonds that tied them to the water; even today many amphibians return to the water to lay their eggs.

   Millions of years after the first clumsy amphibians crawled over the land, newer types of land dwellers appeared, these animals give rise to the present-day reptiles and mammals. They were completely converted for land dwelling, with bodies and biological activities far different from those of fish. With these special adaptations, mammals have been able to colonize the woods and meadows, the deserts and high mountains, often far removed from the sea.  

An example of an amphibian's incomplete adaptation to land life is…………………….. 

A. Need to keep its skin wet

B. Scales-covered skin 

C.Return to water to lay eggs

D. Inability to breathe air

1
21 tháng 6 2017

Giải thích: Dựa vàoAs amphibians, they possessed limbs instead of fins and lungs instead of gills. But they never became completely free of the bonds that tied them to the water; even today many amphibians return to the water to lay their eggs.”

Đáp án  A