21．Which of the following is correct about Yang Liwei according to the passage?

A．He was remembered as the greatest taikonaut in China.

B．He thought space exploration could make the world peaceful.

C．He was the first taikonaut to realize China’s dream of flying to space.

D．He once floated out of spacecraft and displayed the flags of China and the UN.

22．What preparations do taikonauts make to be qualified?

A．12-month course study.

B．5000-meter climbing task.

C．Two-kilogram weight loss.

D．Four-hour underwater walk.

23．Why does the author write this passage?

A．To comment on taikonauts’achievements.

B．To introduce some extraordinary taikonauts.

C．To present the huge development of China’s space exploration.

D．To praise taikonauts’commitment to China’s space exploration.

答案

1．took

2．called

3．whose

4．landing

5．construction

6．equipment

7．which

8．is intended

9．to carry

10．has invited

11．occasions;

12．separating;

13．on;

14．longest;

15．remarkable;

16．located;

17．relatively;

18．were carried;

19．which;

20．but

21．C

22．A

23．D