Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1. Burning coal and oil...release..carbon dioxide that harms the environment.
2. Many families ..use....biogas
3. Using non - renewable energy sources ..to pollute...the environment
4. Solar power can be .....replaced..into electricity
5. There..is..a shortage of energy in the near future.
6. Producing biomass energy..makes.burning waste, and this may have ba impacts on the environment.
7. Coal is a non - renewable source of energy, because it cannot be easily...converted..
8. The wind turns turbines to..involve.. energy
1. By the midle of the 21st century,people in developing countries.....more renewable energy
A.use B.will be using C.used D.have used
2. Alternative sources of energy...developed in the near future.
A.is B.was C.has been D.will be
3. Why is it called a...source? - because it can be replaced easily and quickly
A.effective
B.specific
C.renewable
D.non- renewable
4. Hydro power is ... because dams cannot be built in certain areas
A.limited
B.unlimited
C.abundant
D.enough
PART I: (3.0 pts) Choose the word or phrase (A, B, C, or D) which best completes each sentence. Circle the letter you choose.
1. Your plan was completely _______. It didn’t work at all.
A. used B. useful C. useless D. usefully
2. Claire wanted to make tea, _______ she heated some water.
A. so B. but C. although D. so that
3. A man from our village, ________ children I teach, was on T.V. last night.
A. who B. whom C. where D. whose
4. I am responsible for the preparation,________?
A. aren’t I B. am I C. am not I D. don’t I
5. _____ I use your car?- Of course. Here’s the key.
A. May B. Must C. Need D. Should
6. “Would you a glass of green tea?”
A. No, let’s not. B. No, I don’t. C. No, thanks. D. No, I wouldn’t.
7. Peter behaved so badly at the party. I wish I _______ him.
A. do not invite B. did not invite C. had not invited D. would not invite
8. That car runs at _______ speed of 180 miles _______ hour.
A. the / an B. a / the C. a / a D. the / a
9. We need _______ money to send our son to Oxford University.
A. a large sum of B. a few of C. many D. lot of
10. Mary was the_______________ of the three sisters.
A. clever B. clever as C. cleverer D. cleverest
11. I didn’t have an umbrella, so I got wet.
A. If I had had an umbrella, I wouldn’t get wet.
B. If I had had an umbrella, I would get wet.
C. I had had an umbrella, I wouldn’t have got wet.
D. Had I had an umbrella, I wouldn’t have got wet.
12. The president refused to make any judgement ______ the situation.
A. on B. with C. about D. to
13. I am fed ______ hanging around here with nothing to do.
A. up on B. out of C. up with D. by
14. The test is taking place ______ a week’s time.
A. in B. at C. for D. on
15. You can borrow this car if you promise to look ______ it carefully.
A. into B. at C. after D. up
PART II: (2.0 pts) Fill each gap in the passage with one suitable word from the box. Write your answers in the space provided under this passage.
Famine is a prolong food shortage that causes (1)________ hunger and death. Throughout history, famine has truck at least one area of the world (2) ________ few years. Most of the developing nations of Africa, Asia and Latin America have (3)________ enough food for their people. Millions in these countries go hungry. When food production or imports (4) ________ for any reason, famine may strike and thousands or millions of people may die.
Many famines have more than one cause. For example, the great Bengal famine of 1943 in Eastern India was caused by both (5)________ and historical events. World War II (6)________ a general food shortage and let to the cutoff of rice imports from Burma, which had been occupied by the Japanese. Then a cyclone (7)________ much farmland. Famine struck, and more than one and a half million persons died.
Nearly all famines result (8)________ crop failures. The chief causes of crop failure include drought, too much rainfall and flooding, and plant diseases and (9) ________. Many other (10) ________ may also help create a famine.
Your answers:
1 _________widespread ______________ 6 ________created _______________
2 ________every_______________ 7 _____________destroyed __________
3 _________barely ______________ 8 ______from_________________
4 ________drop _______________ 9 _______________pests ________
5 ___________natural ____________ 10 ______factors _________________
Change these sentences into the passive voice:
1. We will use less electricity in the future.
=> Less electricity will be used in the future.
2. We will use sources of energy more effectively for our future
=> Sources of energy will be used more effectively for our future.
3. People in Britain will spend a lot of money on heating next year.
=> A lot of money will be spent on heating by people in Britain next year.
4. We will develop alternative sources of energy.
=> Alternative sources of energy will be developed.
1.By the middle of the 21st century, people in developing countries ___ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun and the wave are some types of ___ sources of energy.
A. changable
B. alternative
C. cheap
D. costly
3. Alternative soures of energy ___ developed in the near future.
A. is
B. was
C. has been
D. will be
4. Fossil fuels are very common in our society but they ___ the environment.
A. renew
B. provide
C. waste
D. pollute
5. "Why is it called a ___ source?" - "because it can be replace easily and quickly"
A. effective
B. specific
C. renewable
D. non-renewable
6. Hydro power is ___ because dams connot be built in certain areas.
A. limited
B. unlimited
C. abundant
D. enough
7. At this time next week, we ___ a wind turbine in our farden.
A install
B. installed
C. will installed
D, will be installed
8. Biogas is ___ and cheap for cooking and heating
A. plenty
B. abundant
C, serious
D. expensive
9. 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
10. We should put ___ on our roof for the heating and hot water.
A. solar energy
B. equipment
C. cracks
D. solar panels
11. Remember to ___ the lights before going to bed.
A turn
B, turn off
C, turn on
D, stop
12. it is a good idea to use ___ when travelling long distances.
A cars
B taxis
C. private cars
D. public trans prot
13. What should we do to ___ electricity?
A. cut
b. take
c,save
d, waste
14. we shout use ___ light bulbs in our homes
a, low energy
B. little energy
c, a nit energy
d, efficient
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
There is one mistake in each sentence. Find and correct it.
1. The burning of fossil fuels is harmful for => to the environment and public health.
2. Solar energy can convert => can be converted into other forms of energy, such as heat and electricity.
3. Solar power is by far the more => most popular renewable energy source.
4. Within ten years, people will be used => will use less fossil fuel and more renewable energy.
1.By the middle of the 21st century, people in ………… countries will be using more renewable energy.
A. developing B. develop C. to develop D. development
2. Alternative sources of energy___ developed in the near future.
A. is B. was C. has been D. will be
3. “Why is it called a ____________ source?” – “Because it can be replaced easily and quickly.”
A. effective B. specific C. renewable D. non-renewable
4. Hydro power is _____________ because dams cannot be built in certain areas.
A. limited B. unlimited C. abundant D. enough
5. At this time next week, we ______________ a wind turbine in our garden.
A. install B. installed C. will installed D. will be installing
6. Biogas is _____ and cheap for cooking and heating.
A. plenty B. abundant C. serious D. expensive
7. A hydropower station ______________ in the North of the country next year.
A. will be built B. were built C. was built D. has been built