1. By the end of last month, we ________ 50 ,000 yuan for the charity.

A. raised B.have raised C. had raised D. have been raising

2. We spent long summer evenings in the pine forests, digging up worms for fishing, _____ collecting feathers left by the birds in the cages _____ they had been kept for the hunters.

A. which.......where B. and....where C. for... where D. and....which

3. Even if it was possible to bring dinosaurs back to life , they probably could not _______ in the present day environment.

A. sigh B. slip C.surrender D. survive

4. If I ________ it with my own eyes, I wouldn't have believed it.

A. hadn't seen B. didn't see C. wouldn't see D. don't see

5. In 1953, Watson and Crick ,two scientists at Cambridge University , England, discovered the structure of the acid DNA------a transparent twisting ladder made of the fundamental ____ of life.

6. In Chinese , the same pronunciation with different _______has different meanings. The same is true for music.

A. target B. tissue C. tone D. troops

7. When ______ about his future career plan, the sport star gave us a smile instead of a direct reply.

A. asking B. asked C. was asking D. having asked

.二. 阅读理解 ：（每小题2分，满分30分）

A

　　Long March Exhibition

　　The Shanghai History Museum is putting on exhibition to remember the Long March. More than 220 photos and 40 other things are on show. All the exhibition is explained in Chinese. The show will end on November 20.

　　Time: 10:00 a.m.-4：00 p.m.

Address: 1286 Hongqiao Road