Bài tập Tiếng Anh Lớp 9 - Unit 7: Saving energy

Nội dung text: Bài tập Tiếng Anh Lớp 9 - Unit 7: Saving energy

1. Grade 9 UNIT 7. SAVING ENERGY Choose the best option to complete each of the following sentences. 1. Can you turn ___the light? -It’s too dark. A. on B. off C. in D. for 2. I suggest ___showers instead of taking bath. A. take B. taking C. to take D. to taking 3. - What are you looking ___? - My picture book. I’ve lost it. A. on B. off C. in D. for 4. A new air-conditioner will be ___tomorrow morning. A. to intall B. installed C. installing D. install 5. Scientists are looking for an ___way to reduce energy consumption. A. effect B. effection C. effective D. effectively 6. They are completely short of water now. A number of people have died because of this ___. A. shortage B. short C. shorten D. shortly 7. If you want to save money, you should ___the amount of water your family uses. A. increase B. reduce C. adapt D. repair 8. In order to save electricity, an ordinary 100-watt light bulb can be replaced by a(n) ___. A. energy-saving bulbB. energy-save bulb C. saving energy bulb D. save-energy bulb 9. You should get a (n)___to make sure there are no cracks in the pipes. A. plumber B. mechanic C. electrician D. consumer 10. ___you take the train instead of the bus? It’s faster and cheaper. A. Why not B. Why don’t C. How about D. Let’s 11. If we ___less paper, we ___the number of trees in the forests. A. used/ will save B. use/ can save C. can use/ save D. use/ can 12. She won’t take all the suitcases ___she likes to travel light. A. so B. but C. because D. therefore 13. She is very tired; ___, she has to finish her homework. A. moreover B. so C. and D. however 14. - Is he an actor ___a singer? - An actor A. and B. or C. with D. so 15. He was tired, ___he took a rest before continuing the work. A. so B. and C. but D. if 16. Who looks ___your children when you are away from home? A. for B. at C. after D. to 17. Why doesn’t she go ___with her university study? A. in B. at C. to D. on 18. After coming home, she cleaned the floor ___cooked dinner. A. but B. however C. moreober D. and 19. They didn’t understand the matter ___she didn’t ask for help. A. but B. however C. moreover D. and 20. How about ___posters on energy saving and hanging them around our school? A. make B. making C. to make D. to making Give the correct formof the verbs in brackets. 21. I suggest ___some money. (collect) 22. What about ___a shower instead of a bath to save energy. (take) 23. I think we should ___off the faucets. (turn) 24. If we plant more trees along the streets, we ___more shade and fresh air. (have) 25. If the pollution ___on, the world will end up like a second-hand junk-yard. (go) Filling each gap with a suitable phrasal verb in the box. turn on – turn off – look for – look after – go on – look forward to – put off 26. Mai can’t go to the movies with us tonight. She will have to ___her little sister. 27. If we ___wasting water, there will be a shortage of fresh water in a few decades. Page 1 THE SECOND SEMESTER
2. Grade 9 UNIT 7. SAVING ENERGY 28. “___the TV, will you? I want to watch the weather forecast.” 29. “ I think I’ve lost my new pen. I’ve ___it eveywhere. 30. Mrs. Yen forgot to ___the faucets when she letf home for work. 31. I am ___hearing from you. 32. Never ___till tomorrow what you can do today. Match a word or phrase in column A with a definition in column B. A B Keys 33. plumber A. switch off 33- 34. energy B. of or using the sun 34- 35. solar C. a person whose job is to fix and repair water pipes. 35- 36. innovation D. the power from electricity, gas, coal, making things work 36- 37. enormous E. a new idea, method 37- 38. turn off F. very big or very large. 38- Give the correct form of the word in brackets. 39. There is a ___faucet in your kitchen. (drip) 40. We can protect the environment by ___air pollution. (reduce) 41. I am very ___because they use electricity to catch fish. (worry) 42. I want to see the ___of environment from the local authority. (protect) 43. Scientists are looking for an effective way to reduce energy ___. (consume) Complete the second sentences 44. It was raining, so we decided to postpone our camping.  Since ___ 45. She wants them to sing a song.  She suggests they ___ 46. She couldn’t join us because she was busy.  She was busy, so ___ . 47. Shall we go to the cinema tonight?  What about ___ 48. Why don’t we use energy-saving bulbs?  I suggest ___ 49. Although she was not beautiful, she took part in a beauty contest.  She wasn’t beautiful but ___ 50. Work hard and you will pass the exam.  If you ___ 51. If you don’t start working hard now, you won’t be able to pass the final exam.  Unless ___ 52. We are delighted. You passed your English exam.  We are delighted ___ . 53. She was tired and therefore she wanted to go home.  She wanted to go home because ___ Fill in each gap with a suitable word in the box. energy – money – electricity – machines – by – save – how much – in For most North American households, lighting accounts for 10 percent to 15 percent of the ___(54) bill. However, this amount can be reduced___(55) replacing an ordinary 110-watt light bulb with an ___(56) saving bulb. These bulbs use a quarter of the electricity of standard bulbs and last eight times longer. Therefore, consumers can ___(57) about US$ 7 to $21 per bulb. In Europe, there is a labeling scheme for refrigerators, freezers, washing ___(58) and tumble dryers. The label tells the consumers ___(59) energy efficicent each model is, compared with other appliances ___(60) the same category. Ultimately, these innovations will save ___(61) as well as conserving the Earth’s sources. THE END Page 2 THE SECOND SEMESTER