Unit 13 We’re trying to save the earth.一．选择填空（25分）( )1. Gold is a kind of ________. A. plastic B. metal C. cloth D. method( )2. — Why doesn’t she wear her school uniform? — Because she thinks it is ________. A. easy B. perfect C. beautiful D. ugly( )3. — Why don’t you buy the car? — It is too expensive. I can’t ________ it.A. afford B. receive C. sell D. keep( )4. — Did they agree with that?— No, ______ of them has his own opinion. A. All B. Some C. Each D. Both( )5. —What’s the matter, Jenny? —__________ something wrong with my bike, why?A. It has B. There is C. I have D. It is ( )6. — Which football team do you _______ to win? Why? —Of course our team. Because we have so many better players.A. hope B. think C. help D. expect( )7. Paul suggested seeing the wild animals, I ______ tigers ,so I didn’t go along with him.A. was interested in B. was afraid of C. was mad at D. was annoyed with ( )8. The box is used to collect waste which can be _____, such as plastic bottles and paper. A. reported B. repaired C. recycled D. reviewed( )9. — The shirt looks nice on you! How much does it ______ ? —I just______ ten dollars for it. A. take; afforded B. take; spent C. cost; spent D. cost; paid ( )10. I used to _______ coins, but now I am used to________ stamps. A. collecting; collecting B. collect; collect C. collect; collecting D. collecting; collect( )11. — These sharks’fins were ____ by the fisherman.— How cruel! A. turned off B. taken off C. cut off D. gotten off( )12. — If we turn off the shower while we are washing our hair, more water ________.— I agree with you. A. has saved B. can save C. has been saved D. can be saved( )13. — May I borrow your CD player? — Sorry, I it myself. A. am usingB. usedC. have usedD. use( )14. us a lot to protect the environment. A. Recycling things help B. Recycling things helps C. Using cheap things help D. Using cheap things helps( )15.(2019辽宁抚顺)If we ________ the mistakes, we will make progress step by step.A. make B. forget C. have D. correct( )16.（2019广东汕尾）At least 300 million people are using QQ _____by Ma Huateng to chatonline.A. create B. creats C. created D. creating第 1 页


( )17.(2019四川雅安)The teacher told us that the sun __________ in the east.A. had risen B. has risen C. rose D. rises( )18.(2019四川眉山) In our school library there _______ a number of books and the number ofthem _______ growing larger and larger. A.is; are B. has; is C. are; is D. have; are ( )19. Recycling is good , so don’t ________ bottles or newspapers. A. throw away B. hand in C. use up D. find out( )20. A little wine will not be _________ to your health. Just don’t drink too much A. helpful B. helpless C. harmful D. harmless( )21. —Do you know what the clothes on the show are made of ? —Waste paper. You see, waste things can ________to life. A. bring back B. be brought back C. take away D. be taken away ( )22.【2019凉山州】If all of us pull together, there must be something we can do _______. A. improve the environment B. improved the environment C. improving the environment D. to improve the environment ( )23 . I don’t feel well, Jack. I’m afraid you __________ me your cold.A. give B. have given C. had given D. will give( )24._________honest man he is! We all believe him. A. What B. How C. What an D. What a( )25.— Excuse me, can you tell me ______ when we meet for the first time? —In Brazil. A. how are you supposed to do B. where we are supposed to do C. when we are expected to kiss D. what you are supposed to do二．读音选词根据所给句意和音标，选出一个最佳答案。（5分）( )1. What’s the bottle made of? It’s made of ________ / gla:s /. A. grass B. great C. grade D. glass( )2. Could you please tell me how to____________ /meil/ my letter? A. mate B. meet C.mail D. miss( )3. There is a ____________ /'wυdn/ house in a forest. A. wood B. wooden C. wolf D. wool( )4. If I had a million dollars, I’d give it away to__________ /′medikəl/ research. A. medicine B. medical C. magazine D. metal( )5. A doctor ____________/ig'zæmind/ the king carefully. A. examined B. examination C. except D. express三. 完形填空（10分） 2019来宾Protecting wild animals is our duty．Because wild animals are important to us．They live withus on the earth together．If there are no animals on the earth, we will not live on, 1.______．So weshould take good 2.______ of them to help us live a healthy life．3.______ some people still don’t realize the 4.______ of protecting wild animals．They often killwild animals for food or for money．Every day there are many wild animals being 5.______．Solots of wild animals have died out ．We can’t see them any more．Today the number of wildanimals 6.______ becoming smaller and smaller．If we don’t protect them, they will all die out．Ifthis goes on, there will be no animals left on the earth．7.______, more and more people have begun to do many things to help protect wildanimals．They ask people 8 .______ killing wild animals．They get people to know that protectingwild animals is one of the most important things．Now many countries have made some 9.______to protect wild animals．第 2 页


Now that（既然）wild animals are so important to man, we should do our best to protect themand it 10._____ human beings can make friends with animals and get on well with them．( )1． A．too B．also C．neither D．either( )2． A．care B．after C．away D．about( )3． A．And B．But C．Or D．Although( )4． A．necessary B．importantlyC．importanceD．important( )5． A．killed B．killing C．kills D．kill( )6． A．was B．were C．are D．is( )7． A．Lucky B．Unlucky C．Luckily D．Unluckily( )8． A．stopping B．to stop C．stops D．stop( )9． A．methods B．plans C．laws D．ways( )10．A．says B．thinks C．tells D．means四. 阅读理解（30分） A. Most students have biology classes in the classrooms or the labs in China．But several daysago，I had a biology class outside in my American schoo1． My biology teacher，Mr. Kwak，divided us into three groups and asked us to play a game aboutnatural selection(选择)and how birds find food． He gave the first group one spoon per person, the second group forks and my group knives．Ithought we were going hunting，so knives might work better．Surprisingly，he told us to pick upthe beans on the grass with our tools． When the game started all of us ran to the grass area．We squatted(蹲)down and looked forbeans．It was hard to pick up something that small，especially from the grass . When I almost fired a bean，it dropped back to the ground．When I finally picked up severalbeans, one of my friends ran into me．I couldn’t keep my balance and fell over．All my beansdropped to the ground! Just at that moment，Mr．Kwak called us back．I had to leave the gameand of course I got a bad result．I couldn’t help thinking that if I were a bird living on GalapagosIsland，I would be dead soon． The fun game made me realize that natural selection is really competitive(竞争的)．Everyone istrying his or her best to—survive．( )1．What did the writer’s group use to pick up the beans? A．Spoons． B．Forks． C．Knives． D．Hands．( )2．How many beans did the writer get at last? A．None． B．One． C ．Several． D．Many．( )3．Which of the following is TRUE? A．The writer did a good job in the biology class． B．The writer had a biology class outside their schoo1． C．The writer found that picking up the beans from the grass was hard． D．The writer didn’t find enough food for the birds on Galapagos Island．( )4．What’s the meaning of the underlined word “survive” in the last paragraph? A．Find food． B．Remain alive． C．Be lovely． D．Keep balanced．( )5．What was the aim of Mr．Kwak’s class? A．To play an interesting game． B．To pick up the beans． C．To know different kinds of birds． D．To learn natural selection． B. There is little doubt that house cat first developed naturally from ancient wild cats. The cleverest relative is the Americawild cat which still lives in Africa today. This is understandable because the first house cats came from Africa.第 3 页


Cats first started to live around people in Egypt about 6,000-7,000 years ago. From Egypt, cats started to move aroundthe world. This is about the same time that Egyptians began storing grain(谷物) in buildings. Scientists used to believe thatpeople tamed cats to catch mice and protect the grain. However, cats don't like to be told what to do! Now, scientistsbelieved that cats followed the mice and learned to accept people. Finally, some of the cats began to grow comfortablearound people, these were smaller cats that needed protection. As these cats and people got used to each other, then theymoved in together. A