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

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

Before electricity, what was sometimes passed through pipes to heat rooms?

A. Gas

B. Petrol

C. Steam

D. Hot wind

1

DH

Dương Hoàn Anh

28 tháng 2 2017

Chọn C

Kiến thức: Đọc hiểu

Giải thích:

Trước khi có điện, cái gì đôi khi đi qua các đường ống để sưởi ấm phòng?

A. Khí ga

B. Xăng dầu

C. Hơi nước

D. Gió nóng

Thông tin: Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms.

Tạm dịch: Hơi nước là phát minh đầu tiên dùng thay thế cho năng lượng gió. Nó được sử dụng để điều khiển động cơ và được dẫn qua các đường ống và lò sưởi để sưởi ấm các căn phòng

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 from 35 to 42. Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

3 tháng 7 2019

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

What do we call machines that make electricity?

A. Voltages

B. Electric magnets

C. Generators or turbines

D. Pipes and radiators

1

DH

Dương Hoàn Anh

3 tháng 7 2019

Chọn C

Kiến thức: Đọc hiểu

Giải thích:

Tác giả có ý gì khi nói rằng điện linh hoạt?

A. Nó rẻ và dễ sử dụng.

B. Nó được sử dụng để điều khiển động cơ.

C. Nó có thể được điều chỉnh để sử dụng với các mục đích khác nhau.

D. Nó có thể được thực hiện một cách dễ dàng.

Thông tin: On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Tạm dịch: Mặt khác, chúng ta lại sử dụng điện bằng hàng ngàn cách khác nhau. Từ việc dùng điện áp mạnh để điều khiển những đoàn tàu điện hiện đại đến dòng điện nhỏ chỉ để làm một con tính đơn giản, và từ dòng điện từ trường lớn trong các nhà máy thép có thể nâng đến 10 tấn tới dòng từ trường trong một chiếc chuông cửa, tất cả đều là năng lượng điện. Một dòng điện có thể dễ dàng làm nóng chảy một khối lượng kim loại lớn trong lò luyện hay chỉ đơn giản đun sôi lượng nước cho một tách cafe

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 from 35 to 42.Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

7 tháng 10 2019

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

What does the author mean by saying that electricity is flexible?

A. It is cheap and easy to use

B. It is used to drive motor engines

C. It can be adapted to various uses

D. It can be made with ease

1

DH

Dương Hoàn Anh

7 tháng 10 2019

Chọn C

Kiến thức: Đọc hiểu

Giải thích:

Tác giả có ý gì khi nói rằng điện linh hoạt?

A. Nó rẻ và dễ sử dụng.

B. Nó được sử dụng để điều khiển động cơ.

C. Nó có thể được điều chỉnh để sử dụng với các mục đích khác nhau.

D. Nó có thể được thực hiện một cách dễ dàng.

Thông tin: On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Tạm dịch: Mặt khác, chúng ta lại sử dụng điện bằng hàng ngàn cách khác nhau. Từ việc dùng điện áp mạnh để điều khiển những đoàn tàu điện hiện đại đến dòng điện nhỏ chỉ để làm một con tính đơn giản, và từ dòng điện từ trường lớn trong các nhà máy thép có thể nâng đến 10 tấn tới dòng từ trường trong một chiếc chuông cửa, tất cả đều là năng lượng điện. Một dòng điện có thể dễ dàng làm nóng chảy một khối lượng kim loại lớn trong lò luyện hay chỉ đơn giản đun sôi lượng nước cho một tách cafe

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 from 35 to 42.Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

15 tháng 11 2017

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

The best title for this passage could be ____________.

A. “Types of Power Plants”

B. “Electricity: Harmful Effects on Our Life”

C. “How to Produce Electricity”

D. “Why Electricity Is So Remarkable”

1

DH

Dương Hoàn Anh

15 tháng 11 2017

Chọn D

Kiến thức: Đọc hiểu

Giải thích:

Tiêu đề phù hợp nhất cho bài đọc là _______.

A. “Các loại nhà máy điện”

B. “Điện: Tác hại đến cuộc sống của chúng ta”

C. “Cách sản xuất điện”

D. “Tại sao điện lại quan trọng đến vậy”

Để tìm tiêu đề chính của bài đọc nên tìm hiểu các ý chính của từng đoạn:

Đoạn 1: Lịch sử các năng lượng được sử dụng qua cái thời kỳ

Đoạn 2: Các cách để sử dụng điện và hiệu quả của nó

Đoạn 3: Ngoài điện nguyên tử, điện được coi là một nguồn năng lượng linh hoạt

Đoạn 4: Cách để tạo ra điện và một ví dụ ở nước Úc

Đoạn 5: Rủi ro của điện hạt nhân

Đoạn 6: Cách tạo ra nguồn năng lượng điện mới mà không gây hại đến môi trường

Dịch bài đọc:

Ngày nay chúng ta xem điện là hiển nhiên và có lẽ chúng ta không nhận ra khám phá này hữu ích như thế nào. Hơi nước là phát minh đầu tiên dùng thay thế cho năng lượng gió. Nó được sử dụng để điều khiển động cơ và được dẫn qua các đường ống và lò sưởi để sưởi ấm các căn phòng. Xăng trộn với không khí là phát minh tiếp theo để cung cấp năng lượng. Hỗn hợp này nổ trong một xi lanh và làm động cơ hoạt động. Ngoài các cách sử dụng đơn giản và trực tiếp này, các dạng năng lượng kể trên không có nhiều khả năng thích ứng.

Mặt khác, chúng ta tận dụng điện bằng hàng ngàn cách khác nhau. Từ việc dùng điện áp mạnh để điều khiển những đoàn tàu điện hiện đại đến dòng điện nhỏ chỉ để vận hành một chiếc máy tính đơn giản, và từ dòng điện từ trường lớn trong các nhà máy thép có thể nâng đến 10 tấn tới dòng từ trường trong một chiếc chuông cửa, tất cả đều là năng lượng điện. Một dòng điện có thể dễ dàng làm nóng chảy một khối lượng kim loại lớn trong lò luyện hay chỉ đơn giản đun sôi lượng nước cho một tách cà phê.

Nếu không kể đến điện nguyên tử - cái mà vẫn chưa được khai thác triệt để, điện là nguồn năng lượng lớn nhất trên thế giới. Nó linh hoạt, và có khả năng đáp ứng cho bất cứ nhiệm vụ nào. Nó truyền đi dễ dàng và với tốc độ đáng kinh ngạc trong dây kim loại hoặc dây dẫn, vì vậy người ta có thể truyền tải điện ngay tức khắc trên phạm vi lớn.

Để tạo ra điện, phải làm quay những tua-bin lớn hoặc máy phát điện. Ở Úc, người ta sử dụng than hoặc nước để vận hành loại máy móc này. Khi các con đập được xây dựng, nước đổ xuống làm quay các tua-bin và không làm ô nhiễm môi trường như khói than.

Năng lượng hạt nhân được dùng ở một vài quốc gia nhưng vẫn còn tồn tại nỗi lo sợ về rủi ro. Một bi kịch đã từng xảy ra ở Chernobyl, Ukraine, tại một nhà máy điện hạt nhân được dùng để sản xuất điện. Lò phản ứng bị rò rỉ và gây ra nhiều trường hợp tử vong do nhiễm phóng xạ.

Ngày nay, các nhà khoa học đang nghiên cứu các cách tạo ra điện mới mà không tác động xấu đến môi trường. Họ sử dụng thủy triều khi chúng chảy vào và rút đi ở các con vịnh. Quan trọng hơn cả, các nhà khoa học hy vọng việc sử dụng ánh sáng mặt trời sẽ hiệu quả hơn. Chúng ta sử dụng các lò sưởi năng lượng mặt trời cho các bể bơi nhưng cần cải thiện dung tích của những tấm pin mặt trời để tạo ra nhiều điện hơn. Khi điều đó xảy ra, ô tô điện sẽ khả thi và thế giới sẽ có thể loại bỏ lượng khí độc hại từ khói xe tải và ô tô vận hành bằng nhiêu liệu hóa thạch

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 from 35 to 42.Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

8 tháng 4 2019

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

The word "they" in the last paragraph refers to ____________.

A. harmful effects

B. the tides

C. scientists

D. new ways

1

DH

Dương Hoàn Anh

8 tháng 4 2019

Chọn B

Kiến thức: Đọc hiểu

Giải thích:

Từ “they” trong đoạn cuối thay thế cho từ _______.

A. tác hại

B. thủy triều

C. nhà khoa học

D. cách thức mới

Thông tin: They may harness the tides as they flow in and out of bays.

Tạm dịch: Họ sử dụng thủy triều khi chúng chảy vào và rút đi ở các con vịnh

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 from 35 to 42. Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

25 tháng 4 2017

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

The author mentions the sources of energy such as wind, steam, petrol in the first paragraph to ___________.

A. suggest that electricity should be alternated with safer sources of energy

B. emphasize the usefulness and adaptability of electricity

C. imply that electricity is not the only useful source of energy

D. discuss which source of energy can be a suitable alternative to electricity

1

DH

Dương Hoàn Anh

25 tháng 4 2017

Chọn B

Kiến thức: Đọc hiểu

Giải thích:

Tác giả đề cập đến các nguồn năng lượng như gió, hơi nước, xăng dầu ở đoạn đầu tiên để _______.

A. đề nghị rằng điện nên được thay đổi luân phiên với các nguồn năng lượng an toàn hơn

B. nhấn mạnh tính hữu dụng và khả năng ứng dụng của điện

C. ngụ ý rằng điện không phải là nguồn năng lượng hữu ích duy nhất

D. thảo luận về nguồn năng lượng nào có thể là một sự thay thế phù hợp cho điện

Thông tin: Beyond these simple and direct uses, those forms have not much adaptability.

Tạm dịch: Ngoài các cách sử dụng đơn giản và trực tiếp này, các dạng năng lượng kể trên không có nhiều khả năng ứng dụng

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 from 35 to 42.Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it...

LQ

Lê Quỳnh Anh

5 tháng 9 2017

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 from 35 to 42.

Today we take electricity for granted and perhaps we do not realize just how useful this discovery has been. Steam was the first invention that replaced wind power. It was used to drive engines and was passed through pipes and radiators to warm rooms. Petrol mixed with air was the next invention that provided power. Exploded in a cylinder, it drove a motor engine. Beyond these simple and direct uses, those forms have not much adaptability.

On the other hand, we make use of electricity in thousands of ways. From the powerful voltages that drive our electric trains to the tiny current needed to work a simple calculator, and from the huge electric magnet in steel works that can lift 10 tons to the tiny electric magnet in a doorbell, all are powered by electricity. An electric current can be made with equal ease to heat a huge mass of molten metal in a furnace, or to boil a jug for a cup of coffee.

Other than atomic energy, which has not as yet been harnessed to the full, electricity is the greatest power in the world. It is flexible, and so adaptable for any task for which it is wanted. It travels so easily and with incredible speed along wires or conductors that it can be supplied instantly over vast distances.

To generate electricity, huge turbines or generators must be turned. In Australia they use coal or water to drive this machinery. When dams are built, falling water is used to drive the turbines without polluting the atmosphere with smoke from coal.

Atomic power is used in several countries but there is always the fear of an accident. A tragedy once occurred at Chernobyl, in Ukraine, at an atomic power plant used to make electricity. The reactor leaked, which caused many deaths through radiation.

Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently. We do use solar heaters for swimming pools but as yet improvement in the capacity of the solar cells to create more current is necessary. When this happens, electric cars will be viable and the world will rid itself of the toxic gases given off by trucks and cars that burn fossil fuels

The advantage of harnessing the power of the tides and of sunlight to generate electricity is that they ____________.

A. do not pollute the environment

B. are more reliable

C. are more adaptable

D. do not require attention

1

DH

Dương Hoàn Anh

5 tháng 9 2017

Chọn A

Kiến thức: Đọc hiểu

Giải thích:

Ưu điểm của việc khai thác sức mạnh của thủy triều và ánh sáng mặt trời để tạo ra điện là chúng _________.

A. không gây ô nhiễm môi trường

B. có độ tin cậy cao

C. dễ thích nghi hơn

D. không cần sự chú ý

Thông tin: Now scientists are examining new ways of creating electricity without harmful effects to the environment. They may harness the tides as they flow in and out of bays. Most importantly, they hope to trap sunlight more efficiently.

Tạm dịch: Ngày nay, các nhà khoa học đang nghiên cứu các cách tạo ra điện mới mà không tác động xấu đến môi trường. Họ sử dụng thủy triều khi chúng chảy vào và rút đi ở các con vịnh. Quan trọng hơn cả, các nhà khoa học hy vọng việc sử dụng ánh sáng mặt trời sẽ hiệu quả hơn

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. Sunlight is solar energy. Sunlight is needed for growing plants that you eat to get energy. Sunlight is also used to make clean electricity. Burning fossil fuels to make electricity pollutes our atmosphere and rivers. Fossil fuels are expensive and limited sources of energy. Nuclear fission is used to create enormous amount of heat and electricity....

LQ

Lê Quỳnh Anh

5 tháng 8 2019

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.

Sunlight is solar energy. Sunlight is needed for growing plants that you eat to get energy. Sunlight is also used to make clean electricity. Burning fossil fuels to make electricity pollutes our atmosphere and rivers. Fossil fuels are expensive and limited sources of energy. Nuclear fission is used to create enormous amount of heat and electricity. However, nuclear fission forms dangerous radioactive waste.

Sunlight offers many ways to get energy. A window can allow warm sunlight into your room. Solar water-heating systems can use sunlight to warm the water for your home, swimming pool and school. Sunlight also warms the Earth and causes wind. Electricity can be made by wind generators.

Photovoltaic, or PV system use a type of material that converts sunlight into electricity. PV systems can power your air conditioner or a satellite like the International Space Station. PV systems are also used to run a calculator, recharge cell phone, or even power lightweight cars.

Sunlight is also changed into electricity by concentrating solar power or CSP systems. CSP systems have mirrors that focus the sunlight. The concentrated sunlight turns water into steam which turns a turbine that is connected to an electric generator. A CSP system usually uses sunlight to make steam. CSP power plants can store large amount of heat. The stored heat is used to make electricity at night. During cloud days, many CSP plants can also burn natural gas to provide the heat that is used to turn water into steam.

Sunlight provides the energy needed to grow plants and make large amount of environmentally friendly heat and electricity. Solar energy can provide power today and for a long time in the future.

In the first paragraph, the word “fossil fuels” in line 2 means ________

A. fuels formed millions of years from the remains of animals and plants

B. nuclear energy

C. solar powe

D. fuel formed from the energy of the wind

1

DH

Dương Hoàn Anh

5 tháng 8 2019

Đáp án A

Trong đoạn đầu tiên, từ “fossil fuels” dòng 2 mang nghĩa ______

A. chất đốt được hình thành qua hàng triệu năm từ phần còn lại của động thực vật

B. năng lượng nguyên tử

C. năng lượng mặt trời

D. chất đốt có từ năng lượng gió

Fossil fuels (n): nhiên liệu hoá thạch = fuels formed millions of years from the remains of animals and plants

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. Sunlight is solar energy. Sunlight is needed for growing plants that you eat to get energy. Sunlight is also used to make clean electricity. Burning fossil fuels to make electricity pollutes our atmosphere and rivers. Fossil fuels are expensive and limited sources of energy. Nuclear fission is used to create enormous amount of heat and electricity....

LQ

Lê Quỳnh Anh

19 tháng 8 2018

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.

Sunlight is solar energy. Sunlight is needed for growing plants that you eat to get energy. Sunlight is also used to make clean electricity. Burning fossil fuels to make electricity pollutes our atmosphere and rivers. Fossil fuels are expensive and limited sources of energy. Nuclear fission is used to create enormous amount of heat and electricity. However, nuclear fission forms dangerous radioactive waste.

Sunlight offers many ways to get energy. A window can allow warm sunlight into your room. Solar water-heating systems can use sunlight to warm the water for your home, swimming pool and school. Sunlight also warms the Earth and causes wind. Electricity can be made by wind generators.

Photovoltaic, or PV system use a type of material that converts sunlight into electricity. PV systems can power your air conditioner or a satellite like the International Space Station. PV systems are also used to run a calculator, recharge cell phone, or even power lightweight cars.

Sunlight is also changed into electricity by concentrating solar power or CSP systems. CSP systems have mirrors that focus the sunlight. The concentrated sunlight turns water into steam which turns a turbine that is connected to an electric generator. A CSP system usually uses sunlight to make steam. CSP power plants can store large amount of heat. The stored heat is used to make electricity at night. During cloud days, many CSP plants can also burn natural gas to provide the heat that is used to turn water into steam.

Sunlight provides the energy needed to grow plants and make large amount of environmentally friendly heat and electricity. Solar energy can provide power today and for a long time in the future.

In the third paragraph, the word “convert” is closest in meaning to _______

A. change form one religion to another

B. transform

C. exchange for something equal in value

D. converse

1

DH

Dương Hoàn Anh

19 tháng 8 2018

Đáp án B

Trong đoạn 3, từ “convert” gần nghĩa nhất với________

A. thay đổi hình thức một tôn giáo

B. thay đổi, cải biến

C. đổi sang thứ gì đó có giá trị tương đương

D. nói chuyện (to) convert = (to) transform: thay đổi, biến đổi