Unit7 Whats the highest mountain in the world?第一节 单项选择。（本题共15小题，每小题1分，计15分） ( )1. Did you meet any problem during the climbing?Yes.As you know，its hard to _air as you get near the top.Atake inBtake awayCfall overDpick up( )2. Peter is _ boy in our class and he often helps us carry heavy things.AstrongBstrongerCstrongestDthe strongest( )3. Daniel is _ his twin brother.They are both 1.75 meters tall.Ataller thanBshorter thanCas tall asDso tall as( )4. Do you know that China is one of _ countries in the world?Yes，I do.Its much _ than the US.Aoldest；olderBthe oldest；olderCthe oldest；elderDthe older；elder( )5. The sick man tried standing _ his two legs but failed.AonBinCwithDby( )6. Henrys new house is about 300 square meters _ size. Its so large!AinBonCatDwith( )7. Which country has the _ population in the world?China.Its a little _ than that of India.Amost；mostBbiggest；biggerCmore；mostDbigger；biggest( )8. China is over 5，000 years old.Its one of _ countries in the world.Yes.It has much _ history than the USA.A old；longColder；the longestBolder；longerDthe oldest；longer( )9. After lunch Sam _ me to a game of tennis.AfinishedBchallengedCbeatDwon( )10. After such a long time，he succeeded _his sister finally.AfindsBfindCin findingDto find ( )11. The earth is _ the moon.A as 49 times big asC49 times as big asB49 times as bigger asDas big as 49 times( )12. If we want to be thinner and healthier，we should eat _ food and take _ exercise.Aless；moreBmore；lessCmore；fewerDfewer；more( )13. Sam is doing some _ about the ancient Silk Road.AexerciseBoperationsCresearchDexperiments( )14. Her uncle came back to Canada to visit her grandparents from America _Aeach two yearsBevery two yearsCeach two yearDevery two year( )15. What happened to your little brother? He ran too fast and _.Apicked upBfell overCtook inDdepended on第二节 完形填空。（本题共10小题，每小题1.5分，计15分）阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中选出可以填人相应空白处的最佳答案。A thousand years ago, Hong Kong was covered by a thick forest. As more and more people came to live in Hong Kong, these trees were cut down and burnt. Now there is16forest left, though there are still some small areas(地方)covered with trees. We call these woods. Elephants, tigers and many17animals were living in the thick forest. When people came to live in Hong Kong, the18began to die out. Early farmers grew rice and19pigs and chickens in the valleys. They cut down the trees and burnt them. They needed20to keep themselves warm in winter, to cook their food and to keep away the dangerous animals. Elephants quickly disappeared because there was not enough food for them. 21did most of the wolves and tigers. Monkeys and many other animals soon22in the same way. You might think that there are no longer any animals in Hong Kong23in the zoos. There are still about 36 different animals24there. One of the most interesting animals of Hong Kong is the barking deer. These are beautiful little animals with a rich brown coat and a white patch(斑点)under the tail. They look like deer but they are much like a barking dog. In Hong Kong the barking deer has only a real enemy-25. People hunt these little animals though it is illegal(违法的). There are now not many barking deer left. So it is important for people to care for wild animals. ( )16. A. manyB. a few C. no D. not( )17. A. other B. others C. the otherD. another( )18. A. peopleB. animals C. plantsD. things( )19. A. grew B. made C. got D. kept( )20. A. fire B. hotness C. heatD. stoves(炉子)( )21. A. So B. Such C. As D. Nor( )22. A. lived B. died C. came D. left( )23. A. besidesB. except C. and D. or( )24. A. live B. to live C. livedD. living( )25. A. tigersB. men C. wolvesD. elephants第三节 阅读理解（本题共15小题，每小题2分，计30分）根据短文内容，从每题所给的A、B、C、D四个选项中选出最佳答案。ADo you know what the worlds highest waterfall is? You may say that they are Niagara Falls.Niagara Falls are really beautiful，but in terms of the height，the most fantastic one in the world are Angel Falls.They are deep in the jungles(丛林) of Venezuela.Few people have ever seen Angel Falls.Its very hard to get there.If you go there on foot，you have to travel for weeks through thick jungles.If you go by plane from Caracas，a city on the southern coast，it will take about four hours.One of the most interesting facts about Angel Falls is how they were found.They were named after an American pilot.His name