Unit 4 Natural disasters
第40页 Reading 
A 1-8 ghdb   cfea
B 1. Natural disasters are terrible. They make people suffer a lot
  2. Wenchuan earthquake occurred in 2008 and too many people died in the earthquake
第42页 C1 将的段落与大意配对
 1-5 bcdea
C2 1. 答案见第三段末尾
     2. 答案见第四段末
     3. 答案请参考第五段中间
D1    D2  略
第44页 Vocabulary and grammar
A 1-5 in surprise, noticed, staring at, fellows, sit around, for now
B 2-8 It was still dark. it got warmer. It was a long way. 
         It was necessary to. It was difficult to. it was fun to. It was sunny
Listening and speaking 听说答案略
第46页 More reading
A 1-5 abdce
第47页 完形填空
1-8 ccab   acbd
第49页 读报道，完成笔记
1. 10 January to 6 February
2. more than fifty years
3. six million people
4. 50000 travelers
5. railway stations
6. 860000 were damaged
7. power lines
8. water lines
9. Vegetables and fruit
10. sharp increase
11. died in the storms
12. 200000 people
C2 再读一遍文章，讨论问题 略
第51页 Writing
   Before a typhoon, you should buy canned food,batteries and radio, and you should listen to weather report from the radio and put tape on the big glass windows.
   During a typhoon, you should find a safe place to hide. You mustn't be near the windows or doors, and keep away from them.
   After a typhoon, you should clear up broken glass and food, You are supposed to fill clean containers with drinking water and repair broken windows and doors.You should also watch out the broken things.