Unit 13 Were trying to save the earth 一、单项选择（共10小题；共10分） 1.Stop making so much noise. It is to the sleeping children.A. comfortableB. relaxedC. harmfulD. useful 2.Today, we have many other to pay besides coins or paper money.A. excusesB. methodsC. chancesD. plans 3.In the past, my grandpa cut trees and cut them for firewood.A. down; upB. up; downC. out; upD. off; down 4.- How much is your coat?- Oh, it me 100 yuan.A. costB. spentC. paidD. took 5.I hope everyone can care about the environment and stop things.A. protecting; wastingB. protecting; to wasteC. protect; wastingD. protect; to waste 6.- The classroom is so bright now. You should the lights.- OK. I will.A. turn onB. turn upC. turn downD. turn off 7.Every year, more than 70,000,000 sharks for their fins(鱼翅).A. were killedB. have killedC. are killedD. will kill 8.Be quiet! The students a physics test in the next room.A. hadB. have hadC. were havingD. are having 9.- You can hardly imagine the pleasure of talking on the WeChat(微信).- Really? But it cause you much trouble if somebody gets your personal information.A. mayB. needC. has to10.- Would you mind not throwing waste here?- .A. Sorry, I wont do it againB. Sure, Id love toC. Yes, of courseD. No, thanks二、完形填空（共10小题；共15分） Natural resources are things that we use that come from Earth. Our natural resources are limited(有限的). This means that they will not 11 forever. Some are renewable, like when you plant a new tree when you 12 one down. Others are not renewable, like when you dig coal(煤) out of the 13 . Once it is used, it is gone. People realize the 14 that Earths natural resources are limited, and people can do things to help conserve(节约) those resources. 15 you try to conserve a natural resource, you try to use less of it so it does not get used up so 16 . One way that people conserve fuel, like gasoline, is by riding a bicycle or walking when the 17 is short instead of driving everywhere. Water is a very important natural resource because we all need it to stay 18 . We can conserve water 19 making sure that our pipes and taps do not leak(漏). We can also make 20 choices to conserve water, like only using the dishwasher or washing machine when they are full. Everyone can make contribution to protecting natural resources.11.A. lastB. spreadC. burnD. change12.A. turnB. cutC. putD. move13.A. stationB. buildingC. groundD. brick14.A. newsB. planC. decisionD. fact15.A. WhenB. AlthoughC. WhateverD. Whether16.A. slowlyB. hardC. regularlyD. fast17.A. moneyB. spaceC. placeD. distance18.A. aliveB. aloneC. asleepD. awake19.A. aboutB. forC. byD. with20.A. generousB. funnyC. wiseD. surprising三、阅读理解（共5小题；共10分） When Jasons parents saw him for the first time, they were shocked(震惊). This lovely little baby with shining blue eyes and curly hair was born disabled(残疾的). But soon the young couple accepted this fact. Jasons arms are just half without hands and his legs arent fully grown either. They even forgot to think of him as disabled. At the age of six, he told his mother he wanted to get down from the prosthetics(假肢) and play with other kids. This was the last time Jason had worn them. He now has an electric wheelchair(轮椅), but he never uses it at home or when it is easy for him to move using only his body. Jason learned handwriting and coloring at school, holding the pen between the ends of his arms. He also learned to eat with forks at home. When he was ten, he fell in love with football. He never had a pair of shoes in his life because of the shape of his feet. He only wore socks on the football field. He never won a match, but he refused to give up. His strong arms and body, as well as some fantastic ways made him a respected(受尊重的) player on the school team. He went to a famous university after high school. Now Jason still faces many hardships in life, but he will make you believe that you can do what he has done. Never be afraid of any difficulty, Jason often encourages others in his speeches.21. Why were Jasons parents shocked when they saw him for the first time?A. Because he was born disabled.B. Because he had big hands.C. Because his hair was curly.22. Jason learned to write and color by holding the pen .A. between his legsB. between his armsC. between his teeth23. What does the underlined word hardships mean in this passa