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20 tháng 4 2023

1. More than 100 years ago (A), people created (B) the technological (C)->technology to exploit (D) 1 fossil fuels.

2. We can't (A)->can travel by car (B), bus, bike, motorbike, or walk (C) - the choice is yours (D)!

3. Their mission is similar (A) to our (B)->ours - we are both (C) creating a sustainable (D) future

.4. More and more (A) people are (B) choosing electricity (C)->electric  vehicles over gas-powered(D) cars.

5. In (A) the United States, most of their (B) use of fossil fuels (C) are (D)->is for transportation. 

23 tháng 4 2023

C->technology

a->can

b->ours

c->electric

III.Rewrite the sentences so that they have the same meaning as the original ones. 1. I couldn’t sleep. I was tired. (in spite of) 2. They have little money. They are happy (despite) 3. We had planned to walk right round the lake. The heavy rain made this impossible. (although) 4. I got very wet in the rain. I had an umbrella. (although) IV. Choose the word which has a different stress pattern from the others. 1. A. hotel B. chimney C. future D. petrol 2. A. population B. uncomfortable C....
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III.Rewrite the sentences so that they have the same meaning as the original ones.

1. I couldn’t sleep. I was tired. (in spite of)
2. They have little money. They are happy (despite)
3. We had planned to walk right round the lake. The heavy rain made this impossible. (although)
4. I got very wet in the rain. I had an umbrella. (although)

IV. Choose the word which has a different stress pattern from the others.

1. A. hotel B. chimney C. future D. petrol
2. A. population B. uncomfortable C. overcrowded D. celebration
3. A. peaceful B. wealthy C. diverse D. labour

4. A. direct B. affect C. open D. renew
5. A. succeed B. happen C. replace D. attend
6. A. reward B. country C. samba D. music
7. A. helicopter B. entertainment C. superstitious D. documentary
8. A. perform B. order C. receive D. rehearse

V.Complete the following passage by choosing the best option, A, B, C or D.

Energy is very important in our modern life. People use energy (1)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (2) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (3) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (4) __________ all the fossil fuels in the near future.

1.A. in B. for C. at D. by

2.A. Most B. Mostly C. almost D. Utmost

3.A Because B. Moreover C. Therefore D. However

4.A. use up B. run on C. take over D. cut off

1
8 tháng 5 2019

III.Rewrite the sentences so that they have the same meaning as the original ones.

1. I couldn’t sleep. I was tired. (in spite of)

=>in spite of being tired ,i couldn't sleep
2. They have little money. They are happy (despite)

=>despite having little money,they are happy
3. We had planned to walk right round the lake. The heavy rain made this impossible. (although)

=>Although We had planned to walk right round the lake, The heavy rain made this impossible
4. I got very wet in the rain. I had an umbrella. (although)

=>Although I had an umbrella,I got very wet in the rain

IV. Choose the word which has a different stress pattern from the others.

1. A. hotel B. chimney C. future D. petrol
2. A. population B. uncomfortable C. overcrowded D. celebration
3. A. peaceful B. wealthy C. diverse D. labour

4. A. direct B. affect C. open D. renew
5. A. succeed B. happen C. replace D. attend
6. A. reward B. country C. samba D. music
7. A. helicopter B. entertainment C. superstitious D. documentary
8. A. perform B. order C. receive D. rehearse

V.Complete the following passage by choosing the best option, A, B, C or D.

Energy is very important in our modern life. People use energy (1)__________ transportation, cooking, heating and cooling rooms, manufacturing, lighting, and entertainment. (2) __________ energy nowadays comes from fossil fuels – petroleum, coal, and natural gas. (3) __________, burning fossil fuels causes pollution. Also, if we don’t find new kinds of energy, we will (4) __________ all the fossil fuels in the near future.

1.A. in B. for C. at D. by

2.A. Most B. Mostly C. almost D. Utmost

3.A Because B. Moreover C. Therefore D. However

4.A. use up B. run on C. take over D. cut off

I: Choose the correct option A, B, C or D to complete the sentences. 1. This is Linda’s hat, and those shoes are _______________. A. our B. hers C. her D. their 2. It will be ________________ to ride a jet pack in bad weather because it doesn’t have a roof. A. comfortable B. pleasant C. unpleasant D. enjoyable 3. A sky safety system can help cars to _____________ traffic jams and crashes. A. use B. have C. prevent D. take 4. The white cat is Helen’s, and the black cat is ________________. A. I...
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I: Choose the correct option A, B, C or D to complete the sentences.

1. This is Linda’s hat, and those shoes are _______________.
A. our B. hers C. her D. their
2. It will be ________________ to ride a jet pack in bad weather because it doesn’t have a roof.
A. comfortable B. pleasant C. unpleasant D. enjoyable
3. A sky safety system can help cars to _____________ traffic jams and crashes.
A. use B. have C. prevent D. take
4. The white cat is Helen’s, and the black cat is ________________.
A. I B. my C. mine D. of mine
5. We try to make the future green by using vehicles or kinds of energy that are ____________.
A. environmentally friendly C. environment friendly
B. environmentally friendship D. environmental friendly
6. Skycycling tubes will be easy_____________.
A. ride B. to drive C. drive D. to ride
7. I think we ______________ have electric taxis very soon.
A. may B. might C. will D. would
8. With teleportation, you disappear at a place, and then _______ in another place seconds later.
A. reappear B. reappears C. appears D. appeared
9. Every day over 1,000 new cars add to the city and the city of over 20 million people is getting more and more _____________.
A. difficult B. famous C. expensive D. gridlocked
10. My brother and I often come to school ___________ foot.
A. at B. in C. by D. on
11. With the Segway, the driver pulls the handle to go back or pushed it to go _________.
A. fly B. forward C. round D. backward
12. The Segway, which is a ____________ vehicle, will be a success.
A. two-wheels B. two wheels C. two wheel D. two-wheeled
13. Do you think the _____________ price will increase next month?
A. gases B. fossil fuel C. fuel D. natural gases
14. People won’t use flying cars ____________ the year 2050.
A. after B. before C. during D. until
15. Which _______________ of transport do you think will be used in the future?
A. mean B. means C. meanings D. meaning
16. . A jet pack doesn’t ____________ a lot of space.
A. occur B. bring C. take D. have
17. The city is facing serious _____________ problems.
A. pollution B. polluted C. pollute D. pollutant
18. We will use more _____________ energy in the future.
A. sun B. sunny C. solar D. sunlight
19. We are looking for types of vehicles that help us to avoid ____________.
A. walking B. traffic jams C. rush hours D. traffic
20. We believe that urban transport pods can travel __________ around 30kph.
A. in B. at C. with D. on

1
8 tháng 5 2019

I: Choose the correct option A, B, C or D to complete the sentences.

1. This is Linda’s hat, and those shoes are _______________.
A. our B. hers C. her D. their
2. It will be ________________ to ride a jet pack in bad weather because it doesn’t have a roof.
A. comfortable B. pleasant C. unpleasant D. enjoyable
3. A sky safety system can help cars to _____________ traffic jams and crashes.
A. use B. have C. prevent D. take
4. The white cat is Helen’s, and the black cat is ________________.
A. I B. my C. mine D. of mine
5. We try to make the future green by using vehicles or kinds of energy that are ____________.
A. environmentally friendly C. environment friendly
B. environmentally friendship D. environmental friendly
6. Skycycling tubes will be easy_____________.
A. ride B. to drive C. drive D. to ride
7. I think we ______________ have electric taxis very soon.
A. may B. might C. will D. would
8. With teleportation, you disappear at a place, and then _______ in another place seconds later.
A. reappear B. reappears C. appears D. appeared
9. Every day over 1,000 new cars add to the city and the city of over 20 million people is getting more and more _____________.
A. difficult B. famous C. expensive D. gridlocked
10. My brother and I often come to school ___________ foot.
A. at B. in C. by D. on
11. With the Segway, the driver pulls the handle to go back or pushed it to go _________.
A. fly B. forward C. round D. backward
12. The Segway, which is a ____________ vehicle, will be a success.

A. two-wheels B. two wheels C. two wheel D. two-wheeled
13. Do you think the _____________ price will increase next month?
A. gases B. fossil fuel C. fuel D. natural gases
14. People won’t use flying cars ____________ the year 2050.
A. after B. before C. during D. until
15. Which _______________ of transport do you think will be used in the future?
A. mean B. means C. meanings D. meaning
16. . A jet pack doesn’t ____________ a lot of space.
A. occur B. bring C. take D. have
17. The city is facing serious _____________ problems.
A. pollution B. polluted C. pollute D. pollutant
18. We will use more _____________ energy in the future.
A. sun B. sunny C. solar D. sunlight
19. We are looking for types of vehicles that help us to avoid ____________.
A. walking B. traffic jams C. rush hours D. traffic
20. We believe that urban transport pods can travel __________ around 30kph.
A. in B. at C. with D. on

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth? Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water. Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are...
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Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

3
29 tháng 6 2019

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

29 tháng 6 2019

Almost all our energy comes from oil, coal, and natural gas. We call them fossil fuels. The earth’s fossil fuels are running out. What will happen when there is no coal, oil and gas on earth?

Scientists are trying to find and use other alternative sources of energy. We can use energy from the sun, the wind, and the water.

Solar energy is unlimited. The sun supplies all the energy used to grow plants, to evaporate water for rain, and to maintain the temperature of the planet. All are necessary for human life. If we are able to collect solar energy, we will be sure to have this abundant source of power.

1. From which do plants on the earth get energy?

A. Stars

B. The Mars

C. The moon

D, The sun

2. What are the other words or phrase for fossil fuels?

A. Natural

B. Oil

C. Coal

D. Oil, gas, natural gas

3. Natural sources of energy are energy from..............

A. Wind

B. The sun

C. Water

D. The sun, wind, water

4. The word "abundant" in the passage is closet in meaning with............

A. Plentiful

B. Limited

C. Natural

D. Necessary

X: Complete each blank with one suitable word. (5 pts) Speech is one of the most important ways of communicating .It consists of far more than just making noises . To talk and also to (66)____ by other people, we have to speak a language ,that is, we have to use combinations of sounds that everyone agrees to stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very( 67)___. The basic voca bulary of...
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X: Complete each blank with one suitable word. (5 pts)

Speech is one of the most important ways of communicating .It consists of far more than just making noises . To talk and also to (66)____ by other people, we have to speak a language ,that is, we have to use combinations of sounds that everyone agrees to stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very( 67)___. The basic voca

bulary of English is not very large, and only about 2,000 words are needed to speak it quite well But the more idea you can (68)____ the more precise you can be about their exact meaning. Words are the (69)____thing we use in communicating what we want to say. The way we say the words is also very important. Our tone of voice can express many emotions and (70)_......whether we are pleased or angry, for instance.

66.A. be spoken B. be examined C. be understood D. be talked

67.A. easy B. important C. simple D. expensive

68.A. need B. grow C. express D. pass

69.A. main B. certain C. full D. most

70.A. show B. ask C. understand D. know

1
22 tháng 2 2019

X: Complete each blank with one suitable word. (5 pts)

Speech is one of the most important ways of communicating .It consists of far more than just making noises . To talk and also to (66)____ by other people, we have to speak a language ,that is, we have to use combinations of sounds that everyone agrees to stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very( 67)___. The basic voca

bulary of English is not very large, and only about 2,000 words are needed to speak it quite well But the more idea you can (68)____ the more precise you can be about their exact meaning. Words are the (69)____thing we use in communicating what we want to say. The way we say the words is also very important. Our tone of voice can express many emotions and (70)_......whether we are pleased or angry, for instance.

66.A. be spoken B. be examined C. be understood D. be talked

67.A. easy B. important C. simple D. expensive

68.A. need B. grow C. express D. pass

69.A. main B. certain C. full D. most

70.A. show B. ask C. understand D. know

REVISION ( 4 ) ENGLISH 7- 10 Years READING COMPREHENSION I.Circle the best option ( A, B , C or D ) to complete the following passage A. There is now increasing concern about the world’s energy ( 1 ) ______, particularly about those involving fossil ( 2 ) ______. In less than a hundred years we shall probably use up all the present ( 3 ) ______ of oil and gas. The world’s coal reserves should last longger but, once used, these cannot be ( 4 )______. It is important, therefore, that we should...
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REVISION ( 4 )
ENGLISH 7- 10 Years

READING COMPREHENSION
I.Circle the best option ( A, B , C or D ) to complete the following passage
A. There is now increasing concern about the world’s energy ( 1 ) ______, particularly about
those involving fossil ( 2 ) ______. In less than a hundred years we shall probably use up all the
present
( 3 ) ______ of oil and gas. The world’s coal reserves should last longger but, once used, these
cannot be ( 4 )______. It is important, therefore, that we should develop such alternative sources
of energy as solar energy as well as water and wind power, classed as renewable energy.
1. A. possessions B. resources C. goods D. materials
2. A. fuels B. powers C. forms D. energies
3. A. findings B. productions C. amounts D. sources
4. A. updated B. repeated C. renewed D. produced
B. In the UK , Easter is a public holiday . People (1) _____ Easter chocolate eggs to their
friends and family .There are also egg hunts for kids. In the US, Easter is a ( 2 )
_____holiday. People can go to church and have a special family meal. They also (3) _____
egg – hunts and give gifts of color eggs . In Russia, Easter is one of the ( 4 ) ____ important
holiday . People celebrate it with an Easter breakfast or meal. They also create very beautiful
Easter eggs.
1. A. eat B. have C. give D. receive
2. A.nation B. local C. native D. national
3. A.organise B. play C. do D. try
4. A. best B. most C. more D. better
C. Every year , Cannes hosts its international film festival. Cannes is a busy music city in France but
in May everyting stop for the festival in a very(1)______. way . Film director , stars and (2)_____all
come to the festival A panel of judges (3) ____ this the films to award the prizes for the best one .
The(4)____prize is the Palme d’Or , which is given to the best film.
1 A.serious B. seasonable C. situation D. fastion
2. A. at B. critics C. by D. on
3. A. watched B. watching C. watches D. watch
4 A. most B. more C. bestter D. biggest

1
26 tháng 3 2020

READING COMPREHENSION
I.Circle the best option ( A, B , C or D ) to complete the following passage
A. There is now increasing concern about the world’s energy ( 1 ) ______, particularly about
those involving fossil ( 2 ) ______. In less than a hundred years we shall probably use up all the
present
( 3 ) ______ of oil and gas. The world’s coal reserves should last longger but, once used, these
cannot be ( 4 )______. It is important, therefore, that we should develop such alternative sources
of energy as solar energy as well as water and wind power, classed as renewable energy.
1. A. possessions B. resources C. goods D. materials
2. A. fuels B. powers C. forms D. energies
3. A. findings B. productions C. amounts D. sources
4. A. updated B. repeated C. renewed D. produced
B. In the UK , Easter is a public holiday . People (1) _____ Easter chocolate eggs to their
friends and family .There are also egg hunts for kids. In the US, Easter is a ( 2 )
_____holiday. People can go to church and have a special family meal. They also (3) _____
egg – hunts and give gifts of color eggs . In Russia, Easter is one of the ( 4 ) ____ important
holiday . People celebrate it with an Easter breakfast or meal. They also create very beautiful
Easter eggs.
1. A. eat B. have C. give D. receive
2. A.nation B. local C. native D. national
3. A.organise B. play C. do D. try
4. A. best B. most C. more D. better

Change the sentences into the passive voice. 1. Scientists anticipate that people will be up fossil fuels by 2052 -> It is anticipated that fossil fuels.................................... 2. Solar energy wil replace most fuels in the future. -> Most of fossil fuels.............................. 3. We will minimize the use of electricity to save our energy. -> The use of electricity ............................ 4. Human will use the sun as the biggest energy source for the future. ->...
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Change the sentences into the passive voice.

1. Scientists anticipate that people will be up fossil fuels by 2052

-> It is anticipated that fossil fuels....................................

2. Solar energy wil replace most fuels in the future.

-> Most of fossil fuels..............................

3. We will minimize the use of electricity to save our energy.

-> The use of electricity ............................

4. Human will use the sun as the biggest energy source for the future.

-> The sun..................................

5. Space-based solar power will allow us to work around these challenges.

->We...............................

6. Government will make more regulations to reduce industrial pollution.

-> More regulations........................

7. Scientists will find solutions to reduce pollution n our country.

-> Solutions..............................

8. People will construct more wind turbines in that area to produce electricity

-> More wind turbines.............................

1
16 tháng 4 2017

Change the sentences into the passive voice.

1. Scientists anticipate that people will be up fossil fuels by 2052

-> It is anticipated that fossil fuels.................will be up by 2052...................

2. Solar energy will replace most fuels in the future.

-> Most of fossil fuels...............will be replaced in the future by solar energy...............

3. We will minimize the use of electricity to save our energy.

-> The use of electricity ...........will be minimized to save our energy.................

4. Human will use the sun as the biggest energy source for the future.

-> The sun.........will be used as the biggest energy source for the future.........................

5. Space-based solar power will allow us to work around these challenges.

->We................will be allowed to work around these challenges by space-based solar power................

6. Government will make more regulations to reduce industrial pollution.

-> More regulations..........will be made to reduce industrial pollution government...............

7. Scientists will find solutions to reduce pollution n our country.

-> Solutions..........will be found to reduce pollution n our country....................

8. People will construct more wind turbines in that area to produce electricity

-> More wind turbines............will be constructed in that area to produce electricity.................

11 tháng 5 2019

câu 6 thiếu by chỗ government rồi bạn

Speech is one of the most important (1).................................. of communicating. It consists of far more than just making noises. To talk and also to (2)................................... by other people, we have to speak a language, that is, we have to use combinations of (3)................................. that everyone agrees stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very...
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Speech is one of the most important (1).................................. of communicating. It consists of far more than just making noises. To talk and also to (2)................................... by other people, we have to speak a language, that is, we have to use combinations of (3)................................. that everyone agrees stand for a particular object or idea. Communication would be impossible if everyone made up their own language. Learning a language properly is very (4)............................. The basic (5).............................. of English is not very large, and only about 2000 words are needed to speak it quite (6)................................ But the more words you know, the more ideas you can (7)............................. and the more precise you can be about their exact meaning. Words are the (8).............................. thing we use in communicating what we want to say. The way we (9)............................. the words is also very important. Our tone of voice can express many emotions and (10)........................... whether we are pleased of angry, for instance.

6
4 tháng 4 2017


1. ways
2. understood
3. sounds
4. important
5. vocabulary
6. well
7.express
8.main
9.say
10.show

tick mk nhé

4 tháng 4 2017

1. ways

2. understood

3. sounds

4. important

5. vocabulary

6.well

7. express

8. main

9. say

10. show

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...
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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 21stcentury, 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

1

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 21stcentury, 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