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Write a speech how to save energy to your house for your classmates. Use the following suggestions. (1 m) 1. Good afternoon, teachers and friends. I / member / class / and / this afternoon / I / tell / how / save / energy / my...
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Write a speech how to save energy to your house for your classmates. Use the following suggestions. (1 m)

1. Good afternoon, teachers and friends. I / member / class / and / this afternoon / I / tell / how / save / energy / my house.
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2. Most of us use too much electricity in our house. You / reduce / amount / turn off / computer / when / you / not / use /.
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3. Most of us use too much electricity in our house. You / reduce / amount / prepare food carefully / before / turn / stove.
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4. Most of us use too much electricity in our house. You / reduce / amount / keep / refrigerator door / closed.
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5. If / you / follow / simple rules / not only / you / save energy / but also / save money.
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22 tháng 12 2017

Write a speech how to save energy to your house for your classmates. Use the following suggestions. (1 m)

1. Good afternoon, teachers and friends. I / member / class / and / this afternoon / I / tell / how / save / energy / my house.
Good afternoon, teachers and friends. I am a member of the class and this afternoon I will tell you how to save energy in my house.
2. Most of us use too much electricity in our house. You / reduce / amount / turn off / computer / when / you / not / use /.
Most of us use too much electricity in our house. You should reduce the amount by turning off the computer when you don't use it.
3. Most of us use too much electricity in our house. You / reduce / amount / prepare food carefully / before / turn / stove.
Most of us use too much gas in our house. You should reduce the amount by preparing food carefully before turning on the stove.
4. Most of us use too much electricity in our house. You / reduce / amount / keep / refrigerator door / closed.
Most of us use too much electricity in our house. You should reduce the amount by keeping the refrigerator door closed.
5. If / you / follow / simple rules / not only / you / save energy / but also / save money.
If you follow these simple rules, not only will you save energy but you will also save money.

Put one suitable word in each space Energy is one of the (1)______ that many people interested in. It is not an unfamiliar word. It is heard, said, discussed say after day. It is close to everyone's (2)________life. You turn on the lamp and it is (3)______ that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you (4)______ You cook your meals and it is energy that gives you heat to boil rice The problem...
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Put one suitable word in each space

Energy is one of the (1)______ that many people interested in. It is not an unfamiliar word. It is heard, said, discussed say after day. It is close to everyone's (2)________life. You turn on the lamp and it is (3)______ that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you (4)______ You cook your meals and it is energy that gives you heat to boil rice

The problem is that the demand for energy is rising and that the price of energy is getting (5)______ and higher. The supply of energy on earth is limited. It can not provide us all forever. The (6)_____ of energy in the future is inevitable. Therefore, saving energy is a must if we want to (7)_________ to live in a safe and sound world. If we save energy, the (8)_______ will be less polluted and our health will be better and we will live a more meaningful life and more happily. Perhaps the best (9)________ to the problem of energy is a source of clean energy coming from the sun : solar energy. This kind of energy is easy available, free, and inexhaustible. Futhermore, it does not cause (10)______

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23 tháng 8 2018

Put one suitable word in each space

Energy is one of the (1)___problem___ that many people interested in. It is not an unfamiliar word. It is heard, said, discussed say after day. It is close to everyone's (2)___daily_____life. You turn on the lamp and it is (3)__energy ____ that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you (4)____movement__ You cook your meals and it is energy that gives you heat to boil rice

The problem is that the demand for energy is rising and that the price of energy is getting (5)__higher____ and higher. The supply of energy on earth is limited. It can not provide us all forever. The (6)__supply___ of energy in the future is inevitable. Therefore, saving energy is a must if we want to (7)____continue_____ to live in a safe and sound world. If we save energy, the (8)__environtment_____ will be less polluted and our health will be better and we will live a more meaningful life and more happily. Perhaps the best (9)____solution____ to the problem of energy is a source of clean energy coming from the sun : solar energy. This kind of energy is easy available, free, and inexhaustible. Futhermore, it does not cause (10)___pollution___

23 tháng 8 2018

cảm ơn bạn nhiều nhé

20 tháng 5 2018

Fill in each blank with one suitable word.

Energy is one of the problems that many people are interested in. It is not an unfamiliar word. It is heard, said, discussed day after day. It is close to everyone's (29)daily life. You turn on the lamp and it is energy that gives you light. You turn on a TV and it is energy that gives you pictures and sound. You ride a motorcycle and it is energy that gives you movement. You (30)cook your meals and it is energy that gives you heat to boil rice.

The problem is that the demand for energy is rising and that the price of energy isgetting (31)higher and higher. The supply of energy on earth is limited. It cannot provide us all forever. The shortage of energy in the future is inevitable. Therefore, (32)saving energy is a must if we want to continue to live in a safe and sound world.

24 tháng 5 2019

V Fill in each numbered blank with a word from the box

label down energy washing turn plug showers compact

Saving(26)..............energy...........doesn't always take days of planning . there are many things you can do right now to start saving energy and cutting ( 27).....................down..........on costs .

* Never use the dishwasher or ( 28) .........washing..................machine unless it houses a full load .

* ( 29) .............Plug.............your electronics into power strips.

* ( 30 ) ........Turn............off your computer and monitor when they are not being used .

* Use ( 31) ...........compact..............fluorescent bulbs to light your home .

* Take short ( 32) ............showers.............instead of baths

* Buy products that have the Energy Star ( 33) ..............label.................on them

#Yumi

24 tháng 5 2019

giúp mình với

1/MULTIPLE CHOICE 1. I’m worried __________ my most recent water bill. (about / to / with / off) 2. If you want to save money, you should ________the amount of water your family uses. (increase / reduce / adapt / repair) 3. Mrs. Mi gives Mrs. Ha advice ______ how to save water. (on / in / about / with) 4. Mrs. Ha is _________ about her water bill. (worried / working / feeling / looked) 5. She turned on the ___________ and washed her hand carefully. (faucet / rule / topic / draft) 6. They...
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1/MULTIPLE CHOICE 1. I’m worried __________ my most recent water bill. (about / to / with / off) 2. If you want to save money, you should ________the amount of water your family uses. (increase / reduce / adapt / repair) 3. Mrs. Mi gives Mrs. Ha advice ______ how to save water. (on / in / about / with) 4. Mrs. Ha is _________ about her water bill. (worried / working / feeling / looked) 5. She turned on the ___________ and washed her hand carefully. (faucet / rule / topic / draft) 6. They suggested ______ energy in our home. (saving / save / to save / should save) 7. A _______faucet can waste 500 liters of water a month. (drip /dripped / dripping / to drip) 8. Baths use twice as much water as showers, so I suggest we _________ showers. (take /.taking /.took /.to take) 9. You should get a _________ to check your water pipes. (piper / checked / plumber / consumer) 10. Mrs. Mi will get a plumber to make sure there are no _________ in the pipes. (cracks / racks / sacks/ rags) 11. The ground was full of _________ after hot , dry summer. (cracks / racks / sacks / rags) 12. Don’t waste electricity and water or you will get an enormous _______ by the end of the month. (paper/ money / bill / breakfast) 13. I think we should take a shower instead of a bath to save ______ (course / nature / energy / oil) 14. Mrs. Ha suggests getting some tools to check cracks in the ____. (home / pipes / rivers /drivers) 15. Mrs. Mi _________ Mrs. Ha advice on how to save water. (gives / makes / helps /talks) 16. Mrs. Mi suggests taking showers to __________ water. (spend / divide / fresh / save) 17. The water bill is 200,000 dong. It’s very _________. ( enormous / expensive / wasteful / cheap) 18. You should ______________an electrician to check the system of the electricity in your house. (have,get,take,do) 19. ____you follow the rules, the environment won’t be cleaner. (As long as, Unless , If , Although) 20. If we go___________littering,The environment will become seriously polluted.(in,on,at,with) 21. Are there any ___________ in the pipes? (bags / labels / cracks / posters) 22. We can reduce gas by ______by bike or public transport. (travel / to travel / traveling / traveled) 23. Remember to turn _________ the faucet after use.(off /on / down / at) 24. I suggest fixing the dripping faucet. _____. (We will / Good idea / Yes, please / I’m afraid not) 25. How about making posters on energy saving and hanging them ___________our school? (between / next / above / around) 26. In order to save money, we should use public transport ________motorbike. (instead of / except / besides / along with) 27. I think we should turn off the faucet___. ( No, thanks/I’m sure /That’s a good idea. /Not at all.) 28. Take a shower instead ___________ a bath to save energy. ( on / for / about / of) 29. They suggested ______ energy in our home. (saving / save / to save / should save) 30. Can you turn _________ the light? It’s too dark. (on / off / in / for) 31. If we don’t find _________sources of power ,we will use the fossil fuels in the near future? (effective, efficient, natural , alternative) 32. We want to use solar energy ,__________it can’t be used on cloudy days. (but, so, because, however) 33. There’s nothing good on TV.Why don’t you turn it___________?(on,down,off,up) 34. Energy can be collected by solar____________on cloudy days.(boards , panels ,bars,sheets) 35. Children accounted __________45% of the population affected the tidal waves.(in,on,at,for) 36. If you go _______leaving the lights on all day, you’ll have an enormous electricity bill. in, on,at,for) 37. Not throw trash_________the water.( into , on ,at, onto) 38. Remember to turn off the lamps before leaving. ___________costs us too much.( Air-conditioning, Water ,Lighting , Heating ) 39. Enery- saving bulbs should be used________electricity.(save,to save, for save,to saving) 40. About 70% of the earth’s________is covered with water. ( world,atmosphere,ocean,surface) 41. A labeling scheme tells the ___________how much energy efficiency each model has. (consumers / consume /consumes / consumed) 42. ___________panels are placed on the roof of a house and the sun’s energy is used to heat water.(Plastic/Paper /Solar //Electric) 43. They replace an ordinary 100–watt light bulb with an ___bulb.(saving – energy /energy – saving /energy – saved / saved – energy) 44. The labeling _____tells the consumers how energy efficient each model is , compared with other appliances in the same category.(letter /word / scheme / bill) 45. What can we do to spend less _______ lighting? (in /on /about / of) 46. In Western countries, electricity, gas and water are not _________. (necessities / appliances / luxuries / resources) 47. The consumers want products that will not only work ____but also save money.(effect /effective/effectively/effecting) 48. The _________ tells the consumers how much energy efficiency each model has. ( writer / story ./ label / company) 49. Electricity, gas and water are not luxuries but____________. ( wonderful / cheap / necessities / enormous) 50. You should have a _________ check your car regularly. (driver / mechanic / worker / designer) 51. For most households,lighting accounts………….10 precent to 15 percent of the electricity bill.(of/ to/in/ for) 52. Waste paper and bottles are collected…………..recycling.(from/by/ for/in) 53. If you want to save money,you should……..the amount of water your family uses.(increase/ reduce/adapt/ repair) 54. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(an)…………..bulb.(energy-saving/energy-save/ saving-energy/save-energy) 55. The average…………pays 27pennies a day in water rates.(homestead/ housemate/ household/ housekeeper) 56. We’d better get ……….. to check the wiring before we start decorating.( a plumber/ a mechanic/ an electrician/ a consumer) 57. Go and turn the faucet………before the bath tub overflows.(on/ off/ over/ down) 58. Work hard……….you will pass the final exam.(if/ or/ so/ and) 59. We played very well. ……, we lost the match.(Therefore/ However/ Moreover/ Consequently) 60. There’s always litter here, No one ever………….. . (pick up it/ picks it up/ pick up/ pick it) 61. Remember to turn _________ the faucet after use.(off /on / down / at) 62. Can you turn ______________ the light? It’s too dark to do homework. (off / on / in / at) 63. Most of us use too much gas. We can reduce this amount by _____________a mechanic check our motorcycles regularly. ( having / telling / getting / saying) 64. Please ___________ off the lights before leaving the room. (take / get / turn / give) 65. Her husband looks __________ the children while she’s at work.(after / for / at / to) 66. I lost my pen. I have looked ___________ it for all morning. (at / after / up / for) 67. Can you _________ the light? It’s too dark. (turn on / go on / turn off / look for) 68. I think we __________a shower instead of a bath to save energy (should take / must take / can take / may take) 69. It was raining hard, _____we couldn’t go on a picnic as planned. (however / but / because / so) 70. I’m worried __________ my most recent water bill. (about / to / with / off) Fill in the bank using “and/ but/ or/ however/ therefore/ because/ so” 1. Gas,water_________________electricity are very necessary for everybody’s life. 2. _________________her mother was seriously ill, she has to stay home to look after her. 3. Minh was not at home, _________________I spoke to his parents. 4. I like soccer _________________I am not a very good player. 5. Van hasn’t finished his homework . __________________,his parents do not allow him to go out with his friends. 6. At first, we intend to spend our holiday in Dalat; _________________, we changed our mind. 7. It’s 6:30,tan! Hurry up_________________you’ll be late for school. 8. Ngoc worked extremely hard. _________________, she passed the exam easily. 9. Which do you prefer, milk _________________orange juice? 10. Tien _________________Peter have been pen pals for a long time. REWRITE 1/Jim had his friends cut down the trees. →Jim got his friends_______________________________________________ →Jim had/ got the trees_____________________________________________ 2/My family gets someone to water the roses every day. →My family has someone___________________________________________ →My family has/gets the roses_______________________________________ 3/He’s going to have his room redecorated with some new furniture. →He’s going to get someone_________________________________________ →He’s going to have someone________________________________________ 4/We will ask the dentist to check our teeth. →We will have the dentist___________________________________________ →We will have / get our teeth________________________________________ 5/Mai has Nam sweep the floor. →Mai gets nam____________________________________________________ →Mai has/gets the floor_____________________________________________ 6/Why don’t you reuse bottles and cans? →How about_____________________________________________________? →I think ________________________________________________________ 7/Why not put garbage bins around the school yard? →It would be_____________________________________________________ →I suggest_______________________________________________________ 8/What about doing morning exercises to keep fit? →Let’s___________________________________________________________ →Why not________________________________________________________ 9. What about buying energy-saving bulbs? →I suggest_______________________________________________ →I suggest that___________________________________________ →I suggest energy-saving bulbs_______________________________ 10. Let’s protect the environment. →How about_____________________________________________? →Shall __________________________________________________? 11. Why don’t we organize a charity event to raise money? →I suggest_________________________________________________ →I suggest that______________________________________________ →I suggest that a charity event_________________________________ 12. Why don’t you sit down for a moment ,Ba? →She suggests that____________________________________________ →She thinks _________________________________________________ →How about_________________________________________________? 13. Shall we go to the cinema tonight? →I think_____________________________________________________ →What about________________________________________________? →I suggest___________________________________________________ 14. Why don’t you have your hair cut? She suggests I__________________________________________________________ 15. Let’s take these plastic bags to the nearest recycling center. I suggest that these plastic bags____________________________________________ 16. “why don’t you put the better lock on the door, Barry?” said John. John suggests that_______________________________________________________ 17. They suggested banning advertisements on TV. They suggested that advertisements_________________________________________ 18. Why don’t you clean your classroom carefully? I suggest your__________________________________________________________ 19. I think it would be a good idea to take a plane. I suggest______________________________________________________________ 20. “Why not recycle these waste things to reuse?” I suggested that these____________________________________________________ 21. Why don’t we recycle the used things. I suggest that__________________________________________________________ 22. Why don’t you stop polluting your neighborhood? I suggest that your_______________________________________________________ 23. Don’t stay up late to watch TV. I suggest that___________________________________________________________ WORD FORM: 1/A_________________ is a person who installs and repairs water pipes. ( plumbing) 2/Water is going on the floor because of the_________________faucet.(drip) 3/You can ask that plumber for___________How to repair the cracks in the water pipes. (advise) 4/To keep the air unpolluted, people ought to use__________Energy to create electricity. (sun) 5/Here is the weather forecast for tomorrow.Ha Noi wlii be clear and_____________ . (cloud) 6/_______ are very demanding.They want products that are both cheap and of good quality. (consume) 7/We suggest_________________ the light bulb.It is broken.(replacement) 8/Recycled_________ are the same quality as those made from non-recycled material. (produce) 9/We must learn to save________ resources or life will be very bad for our children and our grandchildren. ( nature) 10/In a few years’time, our houses will be_________________ By solar energy.(hot) 11/Since the world’s energy resources are limited, we must___________ them . (conservation) 12/I’m pleased that you solved the problem_________________.(effect) 13/The high cost of heating and_________________ prevents us from wasting electricity.( light) 14/There have been many_________________ in the field of electrical engineering.( innovate) 15/In Western countries, electricity,gas and water are not luxuries but_________ . (necessary) 16/There will be a great_________________of food for the world’s population.(short) 17/Televisions,dishwasher and freezers are electrical_________________ .(apply) 18/If there is something wrong with the lights , ask an_________________ to look at it . (electric) 19/_________________ Bills are money for lighting, heating,etc. in your house.(house) 20/He was _________________fined for dropping litter in public place,(heavy) 21/He turned off the_________________ when he went out of the house.(electric) 22/The new laws will become_________________next month.(effect) 23/Her appearance is_________________ today.We don’t need her.(need) 24/Watching Korean films on TV is a time-_________________activity.(consume) 25/The_________________of the model attracts us .(efficient) 26/He has made a_________________to the police about the noise.(complain) 27/I’m very_________________ because they use electricity to catch fish.(worry) 28/Vehicles also account for air_________________ in the cities.(pollute) 29/My mother is _________________worried when I went home late last night.(extreme) 30/What does the poet want us to learn about keeping the environment_________ ? (pollute) 31/_________________,our environment must be protected.( ultimate) 32/ We’re worried about the ___________________ here. (pollute) 33/ This river is extremely ___________________. (pollute) 34/ A ___________________ faucet may waste 500 liters of water a month. (drip) 35/ In Viet Nam, electricity, gas, and water are not only ______ but also _________ (lux/ need) 36/ Farm ___________________ are always exported. (produce) 37/ This plant’s ____________ is high, so it attracts a lot of investment. (produce) 38/ The ________________ of this machine requires the latest techniques. (produce) 39/ This energy-___________________ bulb is not cheap. (save) 40/ The ___________________ are requiring us to repair the machines. (consume) 41/ Water ________________ is increasing this summer. (consume) 42/ The police are interested in the sudden ____________ of the valuable painting. ( appear ) 43/ There is a _______ of 10% in the amount of money available for buying new books. (reduce ) 44/ The beach is full of all kinds of ________________. (pollute) 45/ Saucepans are sold in the ____________ goods department. ( house ) 46/ Mary looks ____________ about something. She looks ___________ at everything. ( worry ) 47/ There is a big _______(differ) between the new shopping mall and the present shopping area. 48/ We can protect the environment by ____________ air pollution. (reduction) 49/ If we go on littering, the environment will become _____________ polluted (serious) 50/ I want to see the ____________ of environment from the local authority. (protect) 51/ Mrs.Mi gives Mrs. Ha some ____________ on how to save water. ( advise )
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1. If there is a mechanical problem, we suggest ................the manufacturer directly. A. contact C. to contact B. contacting D. be contacted 2. My shoes are dirty. I'd better take the...........before I come in. D.off C.on A. aways B: up 3. Our energy will soon come to an end if we don't.......... it. A. use B. save C. spend D. take 4. If you want to save money, you shoul.the amount of water your family uses A. reduce B. increase C. adapt D. repair 5. We decided not to go out for...
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1. If there is a mechanical problem, we suggest ................the manufacturer directly. A. contact C. to contact B. contacting D. be contacted 2. My shoes are dirty. I'd better take the...........before I come in. D.off C.on A. aways B: up 3. Our energy will soon come to an end if we don't.......... it. A. use B. save C. spend D. take 4. If you want to save money, you shoul.the amount of water your family uses A. reduce B. increase C. adapt D. repair 5. We decided not to go out for meal we were too tired. A but B. because C. so D. and 6. He is tird.ed up late watching TV A. so . B. and C. but D. because 7.The childre n like to put....nice clothes when they go out. A. in B. off C. into D. on 8. I like bananas,........ my brother doesn't. D. even though A. because B. but C. and . 9. Please turn................ he gas. I want to cook my lunch. A. over C. on D. over B. in 10. who is going to.........your children when you're at work? C. look after A. look for B. look up D. look out 11. She won't take all these suitcases ...........she likes to travel light A. because B.but C. so D. therefore 12. Her parents saw her ............... at the railway station. A. in B. for C. up D.off 13. We can..............easily in the daylight. A. read B. to read C. reading D. readed 14. What are you looking .................. - My picture book I've lost it. A. for B. off C. in D. on 15. A new air-conditioner will be .................. this morning A. installing B. to install C. installed D. to install 16. There are..... saving methods and inventions to use solar energy. A. energy B. energize C. energetic D. energetics 17. I had to pay much money this month for the international!............... A. calls B. calling C. call D. called 18. Can you turn...the light? - It's too dark. A. on B. off C. in D. for 19. Scientists are looking for.. way to reduce energy consumption. A. effectively B. affection C. effect D. effective 20. Mary's eyes are weak she has to wear glasses A. but B. however C. and D. therefore
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6 tháng 10 2018

1. If there is a mechanical problem, we suggest ................the manufacturer directly. A. contact C. to contact B. contacting D. be contacted

2. My shoes are dirty. I'd better take the...........before I come in. D.off C.on A. aways B: up

3. Our energy will soon come to an end if we don't.......... it. A. use B. save C. spend D. take

4. If you want to save money, you shoul.the amount of water your family uses A. reduce B. increase C. adapt D. repair

5. We decided not to go out for meal we were too tired. A but B. because C. so D. and

6. He is tird.ed up late watching TV A. so . B. and C. but D. because 7.The childre n like to put....nice clothes when they go out. A. in B. off C. into D. on 8. I like bananas,........ my brother doesn't. D. even though A. because B. but C. and . 9. Please turn................ he gas. I want to cook my lunch. A. over C. on D. over B. in 10. who is going to.........your children when you're at work? C. look after A. look for B. look up D. look out

1. A label tells the _____how much energy efficiency each product has . A. workers B. players C. doers D. consumers 2. Mrs. Ha got a _____to check all the water pipes in the house. A. plumber B. mechanic C. technician D. tinker 3. we can reduce the electricity consumption by replacing ordinary light bulbs with _____bulbs. A. money-saved B. energy-saved C. energy-saving D. money-saving 4. Energy from the sun, the water are _____. A. natural resources B. nature sources C. planet energy...
Đọc tiếp

1. A label tells the _____how much energy efficiency each product has .

A. workers B. players C. doers D. consumers

2. Mrs. Ha got a _____to check all the water pipes in the house.

A. plumber B. mechanic C. technician D. tinker

3. we can reduce the electricity consumption by replacing ordinary light bulbs with _____bulbs.

A. money-saved B. energy-saved C. energy-saving D. money-saving

4. Energy from the sun, the water are _____.

A. natural resources B. nature sources C. planet energy D. the world power

5. The weather was very nice ,_____ we decided to have dinner in the garden .

A. and B. but C. so D. or

6. Why don`t you _____ the lights? – It `s getting dark .

A. turn on B. turn off C. turn out D. turn in

7. Tom suggested _____money to help poor people.

A. to save B. save C. saving D. or

8. Would you like green tea _____milk tea?

A. and B. but C. so D. or

9. _____ Nam was a vegetarian, he avoided eating meat.

A. Since B. Because C. As D. All are correct

10. What can we do to spend less …………… lighting?

A. in B. on C. about D. of

11. Lan: How about making posters on energy saving and hanging them around our school?

Hoa: ................

A. My pleasure B. Yes, you can C. Good idea D. You're welcome

mik cần gấp lắm nên giải giùm mik nha

1

1. A label tells the _____how much energy efficiency each product has .

A. workers B. players C. doers D. consumers

2. Mrs. Ha got a _____to check all the water pipes in the house.

A. plumber B. mechanic C. technician D. tinker

3. we can reduce the electricity consumption by replacing ordinary light bulbs with _____bulbs.

A. money-saved B. energy-saved C. energy-saving D. money-saving

4. Energy from the sun, the water are _____.

A. natural resources B. nature sources C. planet energy D. the world power

5. The weather was very nice ,_____ we decided to have dinner in the garden .

A. and B. but C. so D. or

6. Why don`t you _____ the lights? – It `s getting dark .

A. turn on B. turn off C. turn out D. turn in

7. Tom suggested _____money to help poor people.

A. to save B. save C. saving D. or

8. Would you green tea _____milk tea?

A. and B. but C. so D. or

9. _____ Nam was a vegetarian, he avoided eating meat.

A. Since B. Because C. As D. All are correct

10. What can we do to spend less …………… lighting?

A. in B. on C. about D. of

11. Lan: How about making posters on energy saving and hanging them around our school?

Hoa: ................

A. My pleasure B. Yes, you can C. Good idea D. You're welcome

3 tháng 2 2019

1. Scientists are looking forward to the alternative energy sources

2. I suggest not turning the lights on when the room is light enough

3. It is necessary to use energy-saving bulbs instead of ordinary bulbs

4. You should reduce the amount of electricity your family uses

5. If we go on wasting water, there will be a shortage of fresh water

6. Energy-saving bulbs should be used to save electricity

7. The solar energy that gets to the Earth can't provide enough power for the world's population

8. I think we should turn off all the lights and fans before leaving the classroom

9. How about taking a shower instead of a bath to save water ?

10. If we go on littering, the environment will become seriously polluted