读图，回答下列问题。
（1）将下列地理现象的数字代号填入图中相应的空白处。
①水土流失 ②鸟类、兽类减少 ③生态失调 ④生物多样性增加 ⑤风速减小、湿度增大
⑥气候恶化 ⑦水旱灾害减少 ⑧土地沙化 ⑨生态系统良性发展
（2）图示表示地理环境具有_________特征。森林植被对地理环境影响很大，特别是分布于赤道附近区
域的_________具有平衡大气成分的作用，影响全球气候的变化。
（1）从上到下，从左至右：②⑦⑧⑥③④⑨①⑤。
（2）整体性；热带雨林
| 完形填空。 | |||
| Long, long ago, there lived many mice in an old house. They were free to do 1 . They ate up a lot of food. So 2 owner of the house wanted to stop the mice 3 food. He got a cat. 4 ,some of the mice were killed. One day one of the oldest mice said, " All the mice 5 come to my hole tonight, and we'll decide 6 next about the cat." Each of the mice arrived. They thought 7 and did what they could to find a way to save their 8 .They spoke, sitting face to face, but none of them had an idea. Finally a young mouse stood up and said, " Why 9 tie (拴) a bell 10 the cat's neck? Then, 11 the cat comes close, we will hear the bell and 12 .Then the cat won't 13 catch any more of us." "It 14 good! Who can do it?" the oldest mouse asked. At this very moment the hole was quiet and no one answered. At last he said," It's 15 to say than to do. " | |||
| ( )1. A. nothing ( )2. A. the ( )3. A. to eat ( )4. A. After that ( )5. A. should ( )6. A. how to do ( )7. A. strongly ( )8. A. body ( )9. A. not ( )10. A. over ( )11. A, while ( )12. A. move away ( )13. A. be able to ( )14. A. smells ( )15. A. more difficult | B. something B. an B. eat B. After a while B. have to B. what to do B. hard B. health B. not to B. with B. when B. went away B. have to B. looks B. easier | C. anything C. a C. eating C. At once C. would C. when to do C. hardly C. life C. didn't C. round C. if C. sent away C. can C. sounds C. better | D. thing D. one D. to be eaten D. At that moment D. must D. where to do D. heavily D. lives D. didn't you D. about D. since D. run away D. able to D. tastes D. cleverer |