Bài tập Tiếng Anh lớp 7 Unit 8 Energy

Bài tập tiếng Anh 7 i-Learn Smart World Unit 8 Energy

Nằm trong bộ bài tập i-Learn Smart World 7 theo từng Unit, bài tập Unit 8 lớp 7 Energy có đáp án tổng hợp nhiều dạng bài tập tiếng Anh lớp 7 khác nhau giúp các em ôn tập tại nhà những kỹ năng tiếng Anh cơ bản hiệu quả.

Bài tập Tiếng Anh lớp 7 Unit 8 Energy

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Choose the correct answer A, B or C

1. The system could use wind energy to ______________ televisions.

A. power

B. renew

C. light

2. The last person to leave the room must turn ____________ the air conditioners.

A. on

B. off

C. up

3. How _____________ time do you spend on doing your homework?

A. many

B. much

C. few

4. People should use ___________ energy to help save the environment.

A. more

B. most

C. less

5. It is ______________ to get natural gas but this kind of energy source is environment-friendly.

A. hard

B. easy

C. different

Supply the correct forms of the given words

1. Fossil fuels are ______________ and they can be used up. (renew)

2. Nuclear energy can be _____________ and causes harm to our health. (danger)

3. One of the ___________ of solar energy is that it can be expensive to buy solar panels. (disadvantage)

4. I think that solar energy can be an _______________source of energy in the near future. (alter)

5. Waves will be used as an ____________ friendly source of energy. (environment)

Read the passage, and choose the correct answer A, B, C or D for each question.

Many people still believe that natural resources will never be used up. Actually, the world’s energy resources are limited. Nobody knows exactly how much fuel is left. However, we also should use them economically and try to find out alternative sources of power. According to Professor Marvin Burnham of the New England Institute of Technology, we have to start saving coal, oil and gas before it is too late; and solar power is the only alternative.

However, many people do not approve of using nuclear power because it’s very dangerous. What would happen if there was a serious nuclear accident? Radioactivity causes cancer and may badly affect the future generations. The most effective thing is that we should use natural resources as economical as possible.

1. How much fuel left?

A.there is a lot of fuel

B. Let’s use it as much as we would like

C. No one knows exactly

D. It will never be used up

2. According to professor Mavin Burnham, _________________.

A. solar power is the only alternative

B. we have to save coal, oil, and gas

C. A and B are incorrect

D. A and B are correct

3. Radioactivity from nuclear power ________________.

A. alters a new kind of energy

B. is necessary to cure diseases

C. can have good effects on the future generations

D. causes cancer and has bad effects on the future generations

4. We should use coal, oil, and gas ________________.

A. as much as possible

B. carelessly

C. as economically as possible

D. all are incorrect

5.According to the passage, using nuclear power is____________________.

A. interesting

B. dangerous

C. safe

D. cheap

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