www.21cnjy.com Unit 8 A green world 一、单项选择（每小题1分 共10分） 1．Lingling can’t _____ to go on an expensive holiday like that. She hasn’t got enough money. A．afford B．enter C．prefer D．separate 2．How careful Jim is! He writes _____ in our class. A．most carefully B．least carefully C．most carelessly 3．Playing computer games too much is _____ to our eyes. A．harmful B．helpful C．careful 4．—Chinese children have too much homework. They have a lot of pressure. —Things have changed. The government has demanded that schools should _____ homework. A．cut down B．cut in C．cut out D．cut up 5．—Please _____ these donations to kids. —OK, let me see. Perfect! Kids here are in great need of toys and books. A．check out B．cut down C．sell out D．turn down 6．The number of the elderly (老人) _____ increasing in China, and with the development of the Chinese economy, they _____ better care of in the future. A．is; will take B．are; are taken C．is; will be taken D．are; will take 7．—Shall we go on Friday or Saturday —Either day is OK. It makes no _____ to me. A．decision B．mistake C．difficulty D．difference 8．Please _____ the lights to save energy. A．turn on B．turn off C．get on D．get off 9．Be quiet and _____ the radio. The 3-month baby is sleeping in the bedroom. A．turn off B．turn down C．turn up D．turn on 10．—Look! There are so many wild birds in the tree now after the long winter days. —Yes. Many birds in danger are still _____, nearly none of them die. A．alive B．lively C．living D．live 二、完形填空（每小题1.5分 共15分） As we know, water is very important to man, we can’t live 11 water. Although there are too much water on the earth, The amount of (数量) water which is suitable (适合) to drink is less and less. But some people don’t 12 about it. They waste a lot of water in their daily life. Even 13 , they pour dirty water into rivers. And they throw the rubbish into rivers, too. They polluted many rivers and lakes 14 . We must do 15 to stop the pollution. I also think 16 we can do is to save every drop of water as possible as we can. As middle school students, we must 17 the tap (水龙头) immediately after we use it. We can use the basin to 18 our hands and faces. It’s a good idea to encourage (鼓励) my friends and family to join me. Only in this way, we can live 19 . If we don’t, the last drop of water will be a tear-drop of us. Boys and girls, let’s 20 water and act at once. 11．A．for B．of C．with D．without 12．A．care B．talk C．hear D．know 13．A．bad B．badly C．worse D．worst 14．A．probably B．easily C．serious D．seriously 15．A．something B．everything C．nothing D．anything 16．A．how B．where C．why D．what 17．A．turn on B．turn off C．turn up D．turn down 18．A．shake B．clean C．wash D．serve 19．A．easily B．cheaply C．comfortably D．happily 20．A．use B．drink C．save D．share 三、阅读理解（每小题1.5分 共30分） When you hear the word “shapeshifting”(变形), you may think of the robots in th ... ...
~~ 您好，已阅读到文档的结尾了 ~~
