文档介绍：班级：___________ 姓名：__________ 学号:____________
--———-—————-——--密 -——--—-—— 封 —-—--———— 线 —-—-——-— 内 —-—---——- 不 -——-— Earth.
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Some places on Earth don’t get 14 rain. But they still do not become deserts. This is because there 15 grass and some green plants growing there。 16 are very important do try places. Plants do not let 17 sun make the land even 18 . Plants do not let the wind blow the soil（泥土）away。 When rain 19 ， plants hold the water. Without（没有）plants, the land can become desert very 10 。（精品文档请下载）
11。A。 tries B. tried C。 trying D. are trying（精品文档请下载）
12。A. must B。 could C。 can D。 would（精品文档请下载）
13。A. become B. is becoming C。 became D。 to become（精品文档请下载）
. much B。 many C。 more D. few（精品文档请下载）
15。A。 are B。 were C。 is D. was（精品文档请下载）
。 We B。 They C. You D. It（精品文档请下载）
。 the B。 an C。 a D。\（精品文档请下载）
. the driest B。 driest C。 dry D。 drier（精品文档请下载）
. falls B。 fell C. falling D。 to fall（精品文档请下载）
20。A. easy B. easier C. easiest D。 easily（精品文档请下载）
三．完型填空。（15分）
Mr Smith lives in a small village, but he works in an office in a big city. He goes to work by train every morning and comes __21_ in the same way.
One morning while he was _22 his newspaper on the train， a man _2 3_ him came up to him。Mr Smith had not met him before. The man said“_24_" to him and then _25_ to talk to him。 Theman said, “Your _2 6 isn’t interesting， is it? You got on the </> same train at the same station at the same time _ 27_ morning and you always sit in the sameseat and read the same（精品文档请下载）
21。A. family  
  22。A。 seeing
。 . before
  24。A。 Sorry
  25。A. refused
  26。A。life  
27。A。 one  
  28。A。 heard
  29。A。 asked
30。 A.