Unit 13 Were trying to save the earth!单元基础水平测试题（试题总分100分 测试时间45分钟）一. 单项选择（每小题1分，共15分）从A、B、C、D四个选项中选择可以填入空白处的最佳答案。( )1. Dalian is _ most beautiful city and it is one of _ most beautiful cities I have ever visited.A. a; a B. the; the C. a; the D. the; a( )2. Mr. Green decided to turn the garden _ a playground _ his children.A. from; to B. from; for C. into; for D. into; to( )3. Mom, Im a bit thirsty.There are several bottles of juice in the fridge. You can take _.A. these B. this C. ones D. one ( )4. The numbers of the South China tiger _ fallen in the last few years.A. have been B. have C. had D. had been( )5. The hotel is not very modern, but it does have the _ of being close to the city center.04A. advantage B. transportation C. inspiration D. creativity( )6. Its _ for the elephant called EmilJula to be locked by chain for fifty years.A. ugly B. cruel C. relaxing D. proud( )7. The latest computer is too expensive. I cant _ it. What if I lent you some money?A. recycle B. require C. afford D. cancel( )8. Claire thought it _ more to live in the city, so she moved back to the countryside.00A. produced B. spent C. paid D. cost( )9. What do you think of your mother?She is _ a good mother, _ a good teacher. I love her a lot.A. either; or B. not only; but alsoC. neither; nor D. both; and3原创作品( )10. What are you going to order?Well, I think I _ try mapo tofu, but Im not sure.A. might B. must C. cant D. shouldnt( )11. My teacher often says that mistakes should _ in time.A. correct B. be correctingC. have corrected D. be corrected( )12. Sally, its 10 oclock already. _ the TV and go to bed. OK, Dad.A. Turn on B. Put onC. Turn off D. Put off( )13. David, _ you _ your report?No. I finished writing it this morning.A. have; written B. are; writing C. did; write D. were; writing( )14. Do you know the girl _ has got an A in the English exam?Yes. She is my deskmate.A. who B. which C. whom D. whose( )15. The traffic is becoming worse and worse in Beijing because of private cars._. People should use public transport more often.A. I agree B. Sounds boringC. I hope not D. Never mind二. 完形填空（每小题1分，共10分） 先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。About 230 years ago, some rats (老鼠) got to Hawadax Island and they killed the birds on the island. Now thanks to several years of hard work, “Rat Island” as it had been 1 for many years, has been returned to its real owners 2 !The rats arrived at Hawadax Island before 1780 when a Japanese 3 carrying them broke down at sea nearby. They killed the birds on the island 4 the environment of the island was not built to save its birds from the rats. There were 5 trees on the island and the birds were used to building their homes on the ground. That gave the rats 6 to eat the eggs and baby chicks.In 2007, the U.S. Fish and Wildlife Service started a(n) 7 to make the rats stay away from the island and try to bring back the beautiful birds. There were a large number of rats living on the “Rat Island”, so it was a(n) 8 job. But in 2009, there were no more rats on the island!5Then slowly but surely, the birds began to 9 . Sadly, some of the birds were killed by the rat poison (毒药) that had been used to 10 the rats. But now it seems that things are becoming better and better and the island is starting to look like its former (以前的) self.( )1. A. called B. made C. taken D. used( )2. A. rats B. birds C. fish D. humans ( )3. A. car B. train C. bus D. ship( )4. A. if B. because C. although D. unless( )5. A. many B. some C. no D. more( )6. A. chances B. time C. hope D. methods( )7. A. idea B. action C. factory D. industry ( )8. A. easy B. hard C. interesting D. boring( )9. A. sing B. fly C. return D. leave( )10. A. find B. help C. study D. kill三. 阅读理解（每小题2分，共30分）AHi! My name is Nicholas.