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30 tháng 10 2016
  1. on
  2. cover
  3. the
  4. in
  5. moving
  6. for
  7. have
  8. describle
  9. is
  10. and

Good luck !!! ♥

30 tháng 10 2016

Thanks

 

17 tháng 1 2018

1.on

2.cover

3.the

4.in

5.moving

6.for

7.have

8.describle

9.is

10 .and

17 tháng 1 2018

I fill in the blank of the following passage with one suitable word.Write your answer on your answer sheet

there is much more water than land..ON.......the surface of the earth .The sea and oceans.....COVER....nearly four-fifths of the whole world , and only one-fifths of the whole world and only one fifth of....THE....... land. If you traveled over the earth .....IN....different directions you would have to spend much more of your time.......MOVING.....on water than on roads or railways .We sometimes forget that......FOR....every mile of land there is four miles of water

there is much water on the surface of our earth that we ..HAVE.......to use two words to describe. We use the word seas to...DESCRIBE..... those parts of water surface which...IS........ only a few hundreds of milea wide the word oceans to describe the huge ares of water which are thousands of miles wide.....AND.....very deep

There’s much more water than land on the (1) ___ of the earth. The seas and oceans cover nearly (2) ___ of the whole world, and only one-fifth of (3) ___ land. If you traveled over the earth in different directions, you would have to spend (4) ___ more of your time (5) ___ on water that on roads or railways. We sometimes forget that for every mile of land (6) ___ four miles of water. There’s so much water in the surface of our earth that we (7) ___ to use two words to describe. We use the word...
Đọc tiếp

There’s much more water than land on the (1) ___ of the earth. The seas and oceans cover nearly (2) ___ of the whole world, and only one-fifth of (3) ___ land. If you traveled over the earth in different directions, you would have to spend (4) ___ more of your time (5) ___ on water that on roads or railways. We sometimes forget that for every mile of land (6) ___ four miles of water.

There’s so much water in the surface of our earth that we (7) ___ to use two words to describe. We use the word SEAS (8) ___ those parts of water surface which (9) ___ only few hundreds of mile, the word OCEANS to describe the huge area of water (10) ___ are thousands of miles wide and very deep.

1. A. cover B. surface C. outer D. outside

2. A. four-fives B. four-fifth C. four fifths D. fourth-fifths

3. A. it is B. it’s C. its D. them are

4. A. many B. much C. few D. too

5. A. to move B. move C. moved D. moving

6. A. there are B. there is C. there has D. have

7. A. must B. should C. have D. would

8. A. describing B. describes C. describe D. to describe

9. A. is B. are C. has D. will be

10. A. that’s B. which C. where D. whose

2
21 tháng 6 2017

There’s much more water than land on the (1) _surface__ of the earth. The seas and oceans cover nearly (2) _four-fifths__ of the whole world, and only one-fifth of (3) _its__ land. If you traveled over the earth in different directions, you would have to spend (4) __much_ more of your time (5) _moving__ on water that on roads or railways. We sometimes forget that for every mile of land (6) _there are__ four miles of water.

There’s so much water in the surface of our earth that we (7) __have_ to use two words to describe. We use the word SEAS (8) _describes__ those parts of water surface which (9) _is__ only few hundreds of mile, the word OCEANS to describe the huge area of water (10) _which__ are thousands of miles wide and very deep.

1. A. cover B. surface C. outer D. outside

2. A. four-fives B. four-fifth C. four fifths D. fourth-fifths

3. A. it is B. it’s C. its D. them are

4. A. many B. much C. few D. too

5. A. to move B. move C. moved D. moving

6. A. there are B. there is C. there has D. have

7. A. must B. should C. have D. would

8. A. describing B. describes C. describe D. to describe

9. A. is B. are C. has D. will be

10. A. that’s B. which C. where D. whose

21 tháng 6 2017

There’s much more water than land on the (1) ___ of the earth. The seas and oceans cover nearly (2) ___ of the whole world, and only one-fifth of (3) ___ land. If you traveled over the earth in different directions, you would have to spend (4) ___ more of your time (5) ___ on water that on roads or railways. We sometimes forget that for every mile of land (6) ___ four miles of water.

There’s so much water in the surface of our earth that we (7) ___ to use two words to describe. We use the word SEAS (8) ___ those parts of water surface which (9) ___ only few hundreds of mile, the word OCEANS to describe the huge area of water (10) ___ are thousands of miles wide and very deep.

1. A. cover B. surface C. outer D. outside

2. A. four-fives B. four-fifth C. four fifths D. fourth-fifths

3. A. it is B. it’s C. its D. them are

4. A. many B. much C. few D. too

5. A. to move B. move C. moved D. moving

6. A. there are B. there is C. there has D. have

7. A. must B. should C. have D. would

8. A. describing B. describes C. describe D. to describe

9. A. is B. are C. has D. will be

10. A. that’s B. which C. where D. whose

dien tu con thieu1. Can you help me ............. these dirty lasses?2. What ' s on................. the ciname tonight3. Come ..... with us. We always need more players4. Turn...... the lights before leaving the house5. The train is leaving..... Ha Noi in a few minutesThere's much more water(1)..................... land on the surface of the earth. The seas and oceans cover nearly four- fifths of the (2)........  world , and only one-fifth of its land. If you traveled over the...
Đọc tiếp

dien tu con thieu

1. Can you help me ............. these dirty lasses?

2. What ' s on................. the ciname tonight

3. Come ..... with us. We always need more players

4. Turn...... the lights before leaving the house

5. The train is leaving..... Ha Noi in a few minutes

There's much more water(1)..................... land on the surface of the earth. The seas and oceans cover nearly four- fifths of the (2)........  world , and only one-fifth of its land. If you traveled over the earth(3)............ different directions , you would have to spend (4)................... more of your time moving on water than(5).................. roads or railways . We sometimes forget that for every mile of land there (6)............... four miles of water

There's so much water in the (7)............ of our earth that we have to use two words(8)...... describe. We use the (9)..................... SEAS to describe those parts of water surface which only few hundreds of (10)........ the word OSEANS  to describe the huge area of water which are thousands of miles wide and very deep

Giup kk ha

1
14 tháng 3 2019

There's much more water(1)..........than........... land on the surface of the earth. The seas and oceans cover nearly four- fifths of the (2)...whole.....  world , and only one-fifth of its land. If you traveled over the earth(3)....in........ different directions , you would have to spend (4)........much........... more of your time moving on water than(5)........on.......... roads or railways . We sometimes forget that for every mile of land there (6)........are....... four miles of water

There's so much water in the (7)......surface ...... of our earth that we have to use two words(8)..to.... describe. We use the (9).............word........ SEAS to describe those parts of water surface which only few hundreds of (10)...miles wide.... the word OSEANS  to describe the huge area of water which are thousands of miles wide and very deep

Read the following passage and then choose the word (A, B, C or D) that best completes each blank. There’s much more water than land on the ….(36)… of the earth. The seas and oceans cover nearly four-fifth of the whole world, and only one-fifth of land. If you traveled over the earth in different directions, you would have to spend much more of your time …(37)… on water than on roads or railways. We sometimes forget that for every mile of land there is four miles of water. There’s so much water...
Đọc tiếp

Read the following passage and then choose the word (A, B, C or D) that best completes each blank. 

There’s much more water than land on the ….(36)… of the earth. The seas and oceans cover nearly four-fifth of the whole world, and only one-fifth of land. If you traveled over the earth in different directions, you would have to spend much more of your time …(37)… on water than on roads or railways. We sometimes forget that for every mile of land there is four miles of water. There’s so much water in the surface of our earth that we ....(38)… to use two words to describe. We use the word SEAS .....(39)... those parts of water surface which has only few hundreds of mile, the word OCEANS to describe the huge area of water which are thousands of miles wide and very deep.

Câu 36:                                  A. cover                    B. surface                 C. outer       D. outside

Câu 37:                                  A. to move                B. move                    C. moved     D. moving

Câu 38:                                  A. must                     B. should                  C. have        D. would

Câu 39:                                  A. describing             B. describes              C. describe   D. to describe

1
17 tháng 3 2022

Câu 36:                                  A. cover                    B. surface                 C. outer       D. outside

Câu 37:                                  A. to move                B. move                    C. moved     D. moving

Câu 38:                                  A. must                     B. should                  C. have        D. would

Câu 39:                                  A. describing             B. describes              C. describe   D. to describe

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet. There is much more water than land (1)___________ the surface of the earth. The sea and oceans (2)_____________ nearly four-fifths of the whole world, and only one-fifth of (3)__________ land. If you traveled over the earth (4)______ ________different directions, you would have to spend much more of your time (5)________________ on water than on roads or railways. We sometimes forget...
Đọc tiếp

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet.

There is much more water than land (1)___________ the surface of the earth. The sea and oceans (2)_____________ nearly four-fifths of the whole world, and only one-fifth of (3)__________ land. If you traveled over the earth (4)______ ________different directions, you would have to spend much more of your time (5)________________ on water than on roads or railways. We sometimes forget that (6)_______________ every mile of land there is four miles of water.

There is much water on the surface of our earth that we (7)______________ to use two words to describe. We use the word seas to (8)______________ those parts of water surface which (9)______________ only a few hundreds of miles wide, the word oceans to describe the huge areas of water which are thousands of miles wide (10)__________ very deep.

III. Read the following passage carefully and choose the best answer to each question. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.

One of the most urgent environmental problems in the world today is the shortage of clean water. Having clean drinking water is basic human right. But acid rain, industrial pollution and garbage have made many sources of water undrinkable. Lakes, reservoirs and even entire seas have become vast pools of poison. Lake Baikal in Russia is one of the largest lakes in the world. It contains a rich variety of animals and plants, including 1,300 rare species that do not exist anywhere else in the world. But they are being destroyed by the massive volumes of industrial effluent which pours into the lake everyday. Even where law existed, the government did not have the power to enforce them. Most industries simply ignore the regulations. The Mediterranean Sea occupies 1% of the world’s water surface. But it is the dumping ground for 50% of all marine pollution. Almost 16 countries regularly throw industrial wastes a few miles off shore.

Water is free to everyone. A few years ago people thought that the supply of clean water in the world was limitless. Today, many water supplies have been ruined by pollution and sewage. Clean water is now scarce, and we are at last beginning to respect this precious source. We should do something now.

1. According to the writer, one environmental problem in the world today is ________ .

A. acid rain B. industrial pollution. C. safe water shortage. D. population explosion .

2. Many sources of water are not drinkable because of _______ .

A. acid rain. B. industrial pollution. C. garbage D. all A, B, C, are correct

3. What is serious problem of Lake Baikal in Russia?

A. It contains a rich variety of animals and plants.

B. It is polluted by massive volumes of industrial wastes discharged into it .

C. It has 1,300 rare species that do not exist anywhere else in the world .

D. The government did not have the power to enforce laws and regulations.

4. How many countries throw industrial waste into the Mediterranean Sea regularly?

A. nearly 16 B. exactly 16. C. exactly 15 D. less than 15.

5. What is the message to the reader?

A. We should take action to protect our water resources.

B. We should take all water resources into account.

C. We should limit the use of water resources.

D. We should encourage people to use safe water.

1
28 tháng 12 2017

II. Fill in the blank of the following passage with ONE suitable word. Write your answer on your answer sheet.

There is much more water than land (1)____on_______ the surface of the earth. The sea and oceans (2)_____are________ nearly four-fifths of the whole world, and only one-fifth of (3)___surface _______ land. If you traveled over the earth (4)____in_____different directions, you would have to spend much more of your time (5)______travelling__________ on water than on roads or railways. We sometimes forget that (6)______each_________ every mile of land there is four miles of water.

There is much water on the surface of our earth that we (7)______have________ to use two words to describe. We use the word seas to (8)____describle __________ those parts of water surface which (9)_______are _______ only a few hundreds of miles wide, the word oceans to describe the huge areas of water which are thousands of miles wide (10)_____and_____ very deep.

III. Read the following passage carefully and choose the best answer to each question. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.

One of the most urgent environmental problems in the world today is the shortage of clean water. Having clean drinking water is basic human right. But acid rain, industrial pollution and garbage have made many sources of water undrinkable. Lakes, reservoirs and even entire seas have become vast pools of poison. Lake Baikal in Russia is one of the largest lakes in the world. It contains a rich variety of animals and plants, including 1,300 rare species that do not exist anywhere else in the world. But they are being destroyed by the massive volumes of industrial effluent which pours into the lake everyday. Even where law existed, the government did not have the power to enforce them. Most industries simply ignore the regulations. The Mediterranean Sea occupies 1% of the world’s water surface. But it is the dumping ground for 50% of all marine pollution. Almost 16 countries regularly throw industrial wastes a few miles off shore.

Water is free to everyone. A few years ago people thought that the supply of clean water in the world was limitless. Today, many water supplies have been ruined by pollution and sewage. Clean water is now scarce, and we are at last beginning to respect this precious source. We should do something now.

1. According to the writer, one environmental problem in the world today is ________ .

A. acid rain B. industrial pollution. C. safe water shortage. D. population explosion .

2. Many sources of water are not drinkable because of _______ .

A. acid rain. B. industrial pollution. C. garbage D. all A, B, C, are correct

3. What is serious problem of Lake Baikal in Russia?

A. It contains a rich variety of animals and plants.

B. It is polluted by massive volumes of industrial wastes discharged into it .

C. It has 1,300 rare species that do not exist anywhere else in the world .

D. The government did not have the power to enforce laws and regulations.

4. How many countries throw industrial waste into the Mediterranean Sea regularly?

A. nearly 16 B. exactly 16. C. exactly 15 D. less than 15.

5. What is the message to the reader?

A. We should take action to protect our water resources.

B. We should take all water resources into account.

C. We should limit the use of water resources.

D. We should encourage people to use safe water.

Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral...
Đọc tiếp

Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life.

 An alien exploring Earth would probably give priority to the planet's dominants - most distinctive feature - the ocean. Humans have a bias toward land that sometimes get in the way of truly examining global issues. Seen from far away, it is easy to realize landmasses occupy only one-third of the Earth’s surface. Given that two thirds of the Earth's surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species.

 The fact that half of the known species are thought to inhabit the world's rain forests doesn't seem surprising, considering the huge numbers of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably by sea. Nearly every major type of plant and animal has some presentation there.

 To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.

The word “there” in paragraph 3 refer to

A. the rain forests

B. the sea     

C. the Earth's surface       

D. a tree

1
18 tháng 7 2018

B

Kiến thức: Đọc hiểu

Giải thích:

Từ "there" trong đoạn 3 đề cập đến

A. rừng mưa

B. biển

C. bề mặt trái đất

D. một cái cây

"...then the greatest diversity of life is unquestionably the sea. Nearly every major type of plant and animal has some presentation there."

Ta thấy câu trước đó đề cập đến địa điểm “the sea” => “there” thay thế cho “the sea”.

Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral...
Đọc tiếp

Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life.

 An alien exploring Earth would probably give priority to the planet's dominants - most distinctive feature - the ocean. Humans have a bias toward land that sometimes get in the way of truly examining global issues. Seen from far away, it is easy to realize landmasses occupy only one-third of the Earth’s surface. Given that two thirds of the Earth's surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species.

 The fact that half of the known species are thought to inhabit the world's rain forests doesn't seem surprising, considering the huge numbers of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably by sea. Nearly every major type of plant and animal has some presentation there.

 To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.

The author argues that there is more diversity of life in the sea than in the rain forests because

A. more phyla and classes of life are represented in the sea

B. many insect species are too small to divide into categories

C. there are too many insects to make meaningful distinctions

D. marine life-forms reproduce at a faster rate

1
27 tháng 8 2019

A

Kiến thức: Đọc hiểu

Giải thích:

Tác giả lập luận rằng có sự đa dạng về sự sống trên biển hơn là trong các khu rừng mưa bởi vì

A. nhiều phyla và các lớp của sự sống được đại diện trong biển

B. nhiều loài côn trùng quá nhỏ để phân chia thành các loại

C. có quá nhiều côn trùng để tạo nên sự khác biệt có ý nghĩa

D. các dạng sinh vật biển sinh sản với tốc độ nhanh hơn

Thông tin: If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably the sea.

Read the following passage and mark A, B, C or D on your answer sheet to indicate the correct answer for each of the questions Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated...
Đọc tiếp

Read the following passage and mark A, B, C or D on your answer sheet to indicate the correct answer for each of the questions

Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life.

 An alien exploring Earth would probably give priority to the planet's dominants - most distinctive feature - the ocean. Humans have a bias toward land that sometimes get in the way of truly examining global issues. Seen from far away, it is easy to realize landmasses occupy only one-third of the Earth’s surface. Given that two thirds of the Earth's surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species.

 The fact that half of the known species are thought to inhabit the world's rain forests doesn't seem surprising, considering the huge numbers of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably by sea. Nearly every major type of plant and animal has some presentation there.

 To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.

Which of the following is NOT mentioned as an example of microscopic sea life?

A. Coral

B. Shrimp

C. Sponges 

B


Kiến thức: Đọc hiểu


Giải thích:


Loài nào sau đây KHÔNG được đề cập đến như là một ví dụ về sinh vật biển cực nhỏ?


A. san hô                                              B. tôm


C. bọt biển                                            D. sao biển


Thông tin: Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.


Chỉ có B không được nhắc đến

1
29 tháng 6 2019

B

Kiến thức: Đọc hiểu

Giải thích:

Loài nào sau đây KHÔNG được đề cập đến như là một ví dụ về sinh vật biển cực nhỏ?

A. san hô                                              B. tôm

C. bọt biển                                            D. sao biển

Thông tin: Every spoonful of ocean water life, on the order of 100 to 100,000 bacteria cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.

Chỉ có B không được nhắc đến

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questionsCoincident with concerns about the accelerating loss of species and habitats has been growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions

Coincident with concerns about the accelerating loss of species and habitats has been growing appreciation of the importance of biological diversity, the number of species in a particular ecosystem, to the health of the Earth and human well-being. Much has been written about the diversity of terrestrial organisms, particularly the exceptionally rich life associated with tropical rain-forest habitats. Relatively little has been said, however, about diversity of life in the sea even though coral reef systems are comparable to rain forests in terms of richness of life.

An alien exploring Earth would probably give priority to the planet’s dominants, most-distinctive feature - the ocean. Humans have a bias toward land that sometimes gets in the way of truly examining global issues. Seen from far away, it is easy to realize that landmasses occupy only one-third of the Earth’s surface. Given that two thirds of the Earth’s surface is water and that marine life lives at all levels of the ocean, the total three-dimensional living space of the ocean is perhaps 100 times greater than that of land and contains more than 90 percent of all life on Earth even though the ocean has fewer distinct species.

The fact that half of the known species are thought to inhabit the world’s rain forests does not seem surprising, considering the huge number of insects that comprise the bulk of the species. One scientist found many different species of ants in just one tree from a rain forest. While every species is different from every other species, their genetic makeup constrains them to be insects and to share similar characteristics with 750,000 species of insects. If basic, broad categories such as phyla and classes are given more emphasis than differentiating between species, then the greatest diversity of life is unquestionably the sea. Nearly every major type of plant and animal has some representation there .To appreciate fully the diversity and abundance of life in the sea, it helps to think small. Every spoonful of ocean water contains life, on the order of 100 to 100,000 bacterial cells plus assorted microscopic plants and animals, including larvae of organisms ranging from sponges and corals to starfish and clams and much more.

Question: The word “there” in paragraph 3 refers to ______.

A. the Earth’s surface

B. the sea

C. a tre

D. the rain forests

1
12 tháng 8 2019

Đáp án: B