We should try to reduce energy _________ as much as possible.

A. production​B. producers​​C. consumption​D. consumers

Solar energy is _______ and it can be replaced easily.

A. new​B. renew​​C. renewable​D. non-renewable

For many people living in rural areas, biogas is a cheap energy _________ available.

A. method​B. production​​C. supply​D. consumption

Nuclear energy can provide enough electricity for the world’s needs, but it is very ____.

A. risk​​B. risky​​C. endanger​D. endangered

Alternative sources of energy are ________ and safe.

A. enough​B. not enough​​C. short​D. abundant

Sources of energy will be used more ________ for our future.

A. effective​​B. efficient​​C. effectively​D. effeciently

A sky safety system will stop everyone _________ crashing in the sky.

A. at​​B. from​​C. through​D. for

________ regular light bulbs with low energy light bulbs, which use less energy.

A. Turn​B. Replace​​C. Place​D. Put

Without good insulation, the _______ in our houses goes out through the windows, the doors, etc.

A. ice​​B. atmosphere​​C. amount​D. heat

A(n)________ station will be built in the North of the country next decade.

A. hydropower​B. water​​C. hydroelectricity​D. energy

We can _______ the problem of energy shortage by using solar energy.

A. carry out​​B. get​​C. recover​D. solve

6. source of energy is the source that can’t be replaced after use. 

A. Effective B. Non-renewable C. Renewable D. Natural 

7. Which of the following is NOT renewable source of energy? 

A. wind B. coal C. hydro D. solar 

8. We are looking for cheap, clean and sources of energy. 

A. serious B. dangerous C. effective D. efficient 

9. By the middle of the 21st century, people in developing countries more renewable energy. 

A. used B. have used C. uses D. will be using 

10. If we go on electricity, we will have to pay a lot next month. 

A. turning on B. widened C. wasting D. increasing 

I. Read the passage and choose the best answer A, B, C or D to complete the passage.

The natural environment includes all natural resources that are necessary for life: the air, the oceans, the sun, andthe land. Because they are vital for life, these resources must be protected from pollution and conserved. Ecologists study their importance and how to (1).......... them carefully.

According to ecologists, resources are divided into two groups: (2).......... and non-renewable. When a resource is used, it takes some time to replaceit. If the resource can be replaced (3)........., it is called renewable. If it cannot be replaced quickly and easily, it is non-renewable. For example, grass for animals is a renewable resource. When cows eat the grass, the resource is used. If the soil is fertilized and (4).........., more grass will grow. Coal, however, is non-renewable because it takes millions of years to make coal. All fossil fuels are non-renewable resources.

1. A. use B. be used C. used D. using

2. non-renewable B. renewable C. limited D. plentiful

3. A. easy B. difficultly C. quickly D. for a long time

4. A. protect B. protected C. protecting D. to protect

1. Nuclear power __________ in the future.

A. will replace B. replaced C. will be replaced D. replaces

2.__________ the silly story, many people enjoyed the film.

A. In spite of B. Although C. However D. Nevertheless

3. Give a ___________ before you turn left or right.

A. sign B. turn C. sound D. signal

4. A lot of dancers go to Rio de Janeiro to ___________ the Rio Carnival.

A. join B. perform C. attend D. appear

5. On Thanksgiving, families and friends ___________ to have a feast.

A. meet B. arrive C. appear D. gather

6. Solar energy is ___________ and it can be replaced easily.

A. new B. renew C. renewable D. non - renewable

7. Overcrowded places have a lot of problems, ___________?

A. don’t they B. does it C. doesn’t it D. have they

8. I was ___ to learn that the director of that gripping film has won the first prize.

A. interest B. interests C. interested D. interesting

9. Everybody attends the festival ___________ fun.

A. with B. for C. in D. of

10. We are looking for types of vehicles that help us to avoid ____________.

A. walking B. traffic jams C. rush hours D. traffic

   Solar energy is a long lasting source (0)..of.. energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and (1).....................! Solar cells can easily be installed on house (2) ................., so we don’t need any new space. Compared to other (3)...................... sources, they also possess many advantages: wind and water power rely on turbines which (4).................noisy, expensive and which take up large space. Solar cells are totally silent and (5).......................... As they have no moving parts, they require little maintenance and have a long lifetime.

Question 5

   Solar energy is a long lasting source (0)..of.. energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and (1).....................! Solar cells can easily be installed on house (2) ................., so we don’t need any new space. Compared to other (3)...................... sources, they also possess many advantages: wind and water power rely on turbines which (4).................noisy, expensive and which take up large space. Solar cells are totally silent and (5).......................... As they have no moving parts, they require little maintenance and have a long lifetime.

Question 4

   Solar energy is a long lasting source (0)..of.. energy, and it can be used almost anywhere. To generate solar energy, we only need solar cells and (1).....................! Solar cells can easily be installed on house (2) ................., so we don’t need any new space. Compared to other (3)...................... sources, they also possess many advantages: wind and water power rely on turbines which (4).................noisy, expensive and which take up large space. Solar cells are totally silent and (5).......................... As they have no moving parts, they require little maintenance and have a long lifetime.

Question 3

Choose the correct answers.

16. What should we do to________ electricity?

a. cut b. take c. save d. waste

17. Someone's carbon_______ is a measurement of the amount of carbon dioxide that their activities produce.

a. effect b. amount c. footprint d. energy

18. _____ source of energy is the source that can't be replaced after use.

a. Renewable b. Natural c. Effective d. Non-renewable

19. We are looking for cheap, clean and _____ sources of energy.

a. effective b. efficient c. serious dangerous

20. We should put______ on our roof for the haeting and hot water.

a. solar energy b. equipment c. cracks d. solar panels

21. We should use______ light bulbs in our homes.

a. low energy b. little energy c. a bit energy d. efficient

22. In my opinion, nuclear power is not only expensive but also_____ to our environment.

a. danger b. dangerous c. risk d. disaster

23. Several governments try to _____ the use of fossil fuels.

a. reduce b. increase c. waste d. save

24. It is a good idea to use_____ when travelling long distances.

a. cars b. taxis c. private cars d. public transport

25. Wave energy is a sorce of______ energy.

a. environment friendly b. environmentallt friendly c. environmental friendly d. environmentally friendliness

26. Remember to_____ the lights before going to bed.

a. turn b. turn off c. turn on d. stop

27. A hydropower station_____ in the North of the country next year.

a. was built b. were built c. will be built d. has been built

28. Biogas is_____ and cheap for cooking and heating.

a. plenty b. abundant c. serious d. expensive

29. ''Why is it called a _____ souce?'' - ''Because it can be replaced easily and quickly.''

a. effective b. specific c. renewable d. non-renewable

30. At this time next week, we_____ a wind turbin in our garden.

a. install b. installed c. will installed d. will be installing

31. Alternative sources of energy______ developed in the near future.

a. is b. was c. has been d. will be

32. Hydro power is_____ because dams cannot be built in certtain areas.

a. limited b. unlimited c. abundant d. enough

33. Fossil fuels are very common in our society but they_____ the environment.

a. renew b. provide c. waste d. pollute

34. By the middle of the 21^stcentury, people in developing countries_____ more renewable energy.

a. uses b. will be using c. used d. have used

35. The wind, the sun, and the wave are some types of______ sources of energy.

a. changeable b. alternative c. cheap d. costly