Scientists say that something very serious is happening to the earth. It will begin to get 1 in the 1990s. There will be major changes in 2 during the next century. Coastal waters will have a 3 temperature. This will have a 4 effect on agriculture. In northern areas, the 5 season will be ten days 6 by the year 2000. However, in 7 areas, it will be too dry. The 8 of water could decrease by eighty percent. This would 9 a large decrease in 10 production.
World temperature could 11 two degrees centigrade by the year 2040. However, the increase could be three times 12 great in the Arctic and Antarctic areas. This could cause the 13 sheets to melt and raise the 14 of the oceans 15 one to two metres. Many coastal cities would be 16 water.
Why is this happening? There arc too 17 carbon dioxide (二氧化碳)in the air. 18 oil, gas and coal burn, they create large 19 of carbon dioxide. This carbon dioxide lets 20 enter the Earths atmosphere and 21 the Earth. However, it doesnt let as much heat 22 the atmosphere and enter space. It 23 a blanket. The heat 24 the sun can pass through the blanket to warm the Earth. The heat 25 there and cant escape through the blanket again.
Scientists call this the green house effect.
1. A. warmer B. colder C. better D. worse
2. A. land B. live C. climate D. weather
3. A. lower B. higher C. normal D. proper
4. A. good B. general C. serious D. useful
5. A. hot B. cold C. autumn D. growing
6. A. longer B. shorter C. busier D. more important
7. A. colder B. warmer C. higher D. lower
8. A. much B. many C. amount D. number
9. A. lead B. keep C. make D. cause
10. A. oil B. industrial C. agricultural D. coal
11. A. increase B. drop C. lift D. be
12. A. more B. as C. much D. less
13. A. water B. rain C. solid D. ice
14. A. degree B. level C. coast D. area
15. A. by B. to C. of D. with
16. A. above B. under C. in D. over
17. A. little B. many C. few D. much
18. A. If B. Because C. When D. Why
19. A. amount B. amounts C. deal D. quantity
20. A. sunlight B. air C. carbon dioxide D. gas
21. A. cold B. protect C. hurt D. heat
22. A. enter B. get C. leave D. reach
23. A. like B. as C. just D. for
24. A. through B. by C. from D. on
25. A. get B. arrive C. reach D. stay
答案: 1-5ACBCD 6-10ABCDC 11-15ABDBA 16-20BDCBA 21-25DCACD
小学二年级下册英语教学计划
悲伤的英语句子
关于生活的英语句子
情景口语:numbers数字
经典爱情英文短句
情景口语:natural disasters自然灾害
五年级下册英语教学计划
伤感的英语句子
情景口语:time时间
情景口语:expressing thoughts and ideas表达思想与观点
小学二年级下册英语教学计划
二年级第二学期英语教学计划
共同监护权(joint custody)
小学二年级第二学期英语教学计划
英语单词:job satisfaction
情景口语:size and shape尺寸与形状
情景口语:suggestions and requests建议与要求
情景口语:giving and receiving给予与接受
情景口语:distance and speed距离与速度
九年级英语教学计划
小学二年级下册英语教学计划
能生吃的蔬菜!
微博打拐(microblogs combat child-trafficking)
英语单词:drone
情景口语:feelings and emotions情感与情绪
初中英语教师教学计划
情景口语:money钱币
英语单词:worsen
情景口语:directions方向
小学英语教学工作计划
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |