【正文】
produces 41. harmful 42. wisely 43. living 44. dug 45. carelessly 46. plastic 47. that way 48. recycling waste49. limited 50. cut down 51. hasn’t written 52. Throw away 53. full of 54. kept burning 55. had finished 56. less 57. energy 58. Cutting 59. simple 60. fully 61. beginning 62. turned 63. check 64. support 65. busy 66. formed 67. save 68. both 69. drops 70. collect One possible version: Our environment is being worse and worse. As students, we should go to school on foot or by bike every day. We ought to save water and remember to turn off the lights when we leave the classroom. Whenever we see the rubbish on the ground, we should pick it up and throw it into dustbins. Beautiful environment can make us feel happy and fortable. To protect the environment means to protect our home. Remember that it’s our duty to protect the environment. 。 Jenny a letter to me. 52. 你離開的時 候把垃圾扔掉。 《 Unit 8 A green world》 一 . 單項選擇 (每小題 1分,共 15分) ( )1. As we all know, many heart problems are caused smoking. A. for B. by C. with D. to ( )2. — China is a country with resources. — That’s true. But China is also a country with the largest number of people. A. rich B. poor C. high D. low ( )3. — Do you think it is of Jim not to eat meat for three days a week? — Yes. It is good for both the environment and his health. A. rude B. friendly C. wise D. important ( )4. — After the sports meeting, there are so many water bottles in the dustbin. — So our club will start a project to collect them so that they will be . A. replied B. return C. reduce D. reused ( )5. — Sir, did you see the sign “No Parking”? — Sorry. I didn’t know parking isn’t here. A. prevented B. refused C. allowed D. expected ( )6. Without enough trees, soil won’t be kept . And then sandstorms may happen. A. in place B. in the place C. on place D. on the place ( )7. The new traffic rules have been carried out. If people run red lights on roads, they . A. will fine B. will be fined C. were fined D. have fined ( )8. A report says that the world’s natural gas deposits (儲存 ) early in the next century. A. will run out B. will be run out C. will use up D. will be cleaned up ( )9. It is sunny outside. Why not the light and open the window? A. put off B. put away C. turn up D. turn off ( )10. — There is often so much rubbish in the river. — Yes. Luckily, to save the river, many actions . A. are taking B. are going to take C.