Unit 3 The earth 单元自测题（原卷版+解析版）

中小学教育资源及组卷应用平台 Unit 3 The Earth 单元测试 100分 一、单项选择(共15小题，每小题1分，满分15分) 1. The man tries to find some water to keep the fish _____. A. alive B. live C. living D. to live 2. — Eric, take away the rubbish — _____ the park. — Yes, Mum. A. pollute B. to pollute C. don’t pollute D. not pollute 3. People _____ do something to save water. We can’t live without it. A. would B. could C. will D. must 4. — Is there any milk in the bottle? — _____. We need to buy some. A. Yes, there is B. No, there isn’t C. No, there aren’t D. Yes, there are 5. — What’s that? — ____ a box of books. A. It’s B. They’re C. Those are D. These are 6. I usually have some _____ for breakfast. A. breads and milk B. bread and milk C. bread and milks D. breads and milks 7. There _____ some _____ in the field. A. is; sheep B. are; sheeps C. is; sheeps D. are; sheep 8. Uncle Li wants to buy _____. A. three box of eggs B. three boxes of eggs C. three box of egg D. three boxs of egg 9. There _____ an old man and three young men under the tree. A. is B. are C. am D. be 10. It is important for us _____ the Earth. A. protect B. protecting C. to protect D. to protecting 11. Tom, you _____ play computer games now. You _____finish your homework first. A. can’t; must B. can; must C. must; must D. must; can 12. Forests provide us _____ wood and fruit. A. of B. with C. into D. for 13. _____ any students in the classroom? A. Do have B. Does have C. Is there D. Are there 14. There are many _____ about the Earth. A. water B. pollution C. problems D. news 15. People _____ a lot of rubbish every day and this pollutes the land. A. throw away B. put into C. take part in D. get up 二 完形填空(共10小题，每小题1分，满分10分选自2018—2019年广州白云区第一次5校联考试题 ) Where will we live in the future? Many ____16____ think that people may be able to leave the Earth and live on Mars in the near future. If you are _____17_____ interested in the idea, you may want to _____18____ something about Mars. First, days on Mars are about half an hour _____19____ than days on Earth and you are going to get 687 days in a _____20_____. So you can spend more time doing _____21____ you want to do such as sleeping! Second, be sure to pack lots of things for washing before you ____22____ the Earth. There is often dust storm(沙尘暴) on Mars and it can _____23___ for months at a time. So you are going to get dirty. Third, don’t forget to bring heavy ___24_____. Because Mars is farther from the Sun than the Earth, it will be colder there. The average(平均) _____25____ is -35°C! 16. A. doctors B. scientists C. businessmen D. policemen 17. A. never B. also C. soon D. seldom 18. A. know B. answer C. write D. show 19. A. smaller B. bigger C. longer D. shorter 20. A. year B. month C. week D. day 21. A. how B. what C. where D. why 22. A. visit B. leave C. return D. pollute 23. A. begin B. work C. stop D. last 24. A. food B. water C. clothes D. air 25. A. temperature B. weight C. seaso ... ...