Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
1.How many types of energy sources are mentioned in the text? What are they?
Two. They are renewable and non-renewable.
2.What are the disadvantages of hydro and nuclear power?
Hydro power is limited because dams cannot be built in certain areas. Nuclear power is dangerous.
3.Why do you think the wind and the sun are called alternative sources of energy?
Because they are natural sources of power and we use them instead of non-renewable sources to get the electricity we need.
4.What types of energy does Viet Nam use most?
We use non-renewable sources of energy the most but we are increasingly using hydro power.
5.What does the professor think Viet Nam will use more in the future?
He thinks Viet Nam will use the wind and the sun as alternative sources of energy in the future
Đọc và trả lời câu hỏi
Fossil fuels are non -renewable energy soircecs.They include oil,coal,and natutal gas.They can be used to create energy, generate electricity,or drive big machinery.Unfortunately,they are harmful to the environment. Viet Nam still relies mostly on non-renewable energy sources, however,hydro power is increasingly used here too.
Hydro and nuclear power can generate a great deal of energy. They are renewable and plentiful.However,hydro power is limited because dams cannot be built in certain areas.Nuclear power can provide enough electricity for the world´s needs, but it is dangerous.
The sun and the wind are other alternative sources of energy.
1)What are non-renewable energy sources?
Fossil fuels are non -renewable energy soircecs.
2)What can non-renewable energy soirces be used?
They can be used to create energy, generate electricity,or drive big machinery.
3)Why is hydro power limited?
Because dams cannot be built in certain areas
4)Can nuclear power provide enought electricity for the world´s needs?
Yes, it can
#Yumi
Wind power is one of the earliest ................. sources of energy used by humankind.
A. alternative B. polluted C. harmful D. exhausted
Wind power is one of the earliest ................. sources of energy used by humankind.
A. alternative B. polluted C. harmful D. exhausted
#maymay#
Our non-renewable energy sources such as coal, oil, and natural gas will (1) _______run___ out of in the future. That's the (2) ____reason______ why we are looking for alternative sources of (3) _______energy___ which are cheap, clean and effective. These (4) ____kinds______ of energy will not cause (5) _____pollution_____ or waste natural resources. (6) _____Renewable_____ power is one of them. It's currently the cheapest source of large-scale renewable energy.
Most wind energy is produced from turbines that have three 60-meter-long blades. The wind spins the blades, which turn a shaft connected to a generator that produces (7) ____electricity______. Now, mass production and technology advances are (8) ______made____ turbines cheaper. In 2000, cumulative wind capacity (9) ____of ______the world was 17,000 megawatts. Fifteen years later, this number increased sharply to 430,000 megawatts. It is predicted that with this pace of growth, (10) in 2050 one third of the world's electricity needs will be fulfilled by wind power.
Sắp xếp:
1. because/ a non - renewable energy source/ to replace it/ Petroleum is/ it takes a long time.
PETROLIUM IS A NON-RENEWABLE ENERGY SOURCE BECAUSE IT TAKES A LONG TIME TO REPLACE IT.
2. effectively/ sources of enrgy/ in our country/ will be developed/ Alternative.
ALTERNATIVE SOURCES OF ENERGY WILL BE DEVELOPED EFFECTIVELY IN OUR COUNTRY.
3. of energy/ are/ the wind and the sun/ Why/ alternative sources/ called?
WHY ARE THE WIND AND THE SUN CALLED ALTERNATIVE SOURCES OF ENERGY ?
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. When you save energy, you not only save money, you also reduce the demand for ................. such as coal, oil, and natural gas and that is a great way to play a part in saving the planet.
A. carbon footprint B. electricity
C. fossil fuels D. biogas
2. In India, the demand for ................. has always been more than the supply.
A. shortage B. sources C. slogan D. electricity
3. ................. energy is produced by collecting sunlight and converting it into electricity.
A. Hydro B. Nuclear C. Solar D. Wind
4. There are many available ................. power sources in Vietnam including sun, wind, water, etc.
A. nuclear B. hydro C. renewable D. solar
5. Laos and Cambodia have big plans for building up to 11 .......... on the lower Mekong.
A. dams B. slogans C. energy D. coals
6. ................. can be an excellent source of free, renewable energy for poor farmers.
A. Turbine B. Biogas C. Solar panel D. Bulb
7. The government has warned that Britain will face power ................. in the coming winters.
A. coal B. shortages C. slogans D. energy
8. Wind power is one of the earliest ................. sources of energy used by humankind.
A. alternative B. polluted C. harmful D. exhausted
9. Nobody can predict exactly when supplies of fossil fuels will be ................. However, we all know they quickly reduce in quantity.
A. installed B. polluted C. harmful D. exhausted
10. Biogas can be used to ................. natural gas in cooking, heating, or electrical generation.
A. use up B. replace C. pollute D. install
11. Solar energy can be used for ................. electricity, and for hot water heating.
A. investing B. polluting C. generating D. installing
12. The non-renewable sources of energy that we are using are ................. and are bound to expire one day.
A. limited B. plentiful C. abundant D. alternative
13. Shall I say hello to Sharon? I ................. to her today.
A. write B. be writing C. will be writing
14. Can I help you? I ................. you that blouse.
A. will be showing B. will show C. won’t show
15. Good Lord! The engine has stopped. - No problem. Bill ................. a look at it.
A. is having B. will have C. will be having
16. Why don’t you have dinner with us? I ................. anyway.
A. will be cooking B. am cooking C. cook
17. This time next week we ................. round the Aegean Sea.
A. sail B. will be sailing C. will sail
18. If you take three cassettes, you ................. one cassette free.
A. are going to get B. are getting C. will get
19. I ................. my work before they arrive.
A. will be finishing B. finish C. will finish
20. By the end of this century everyone ................. English.
A. will be speaking B. is going to speak C. speaks
D
D