21. A．set down 　　　　 B．set about　　　　　　 C．set up　　　 　　　 　　　 D．set out

19. Practising Chinese kung fu can not only ______ one’s strength, but also develop one’s character.

A. bring up 　　　 B. take up 　　 　　　C. build up 　　　 D. pull up

18. The Opening Ceremony of the 29th Olympic Games was a great success, _____ that surprised the world.

A. it 　 B. one　　 　　　C. the one　 　　　　D. which

17. The further falling of the stock market as reported today has ______a fresh wave of selling.

A. give off　　 　B. set off　　 C. put off　　 D. got off

16. Many people believe that poverty is only a problem in rural areas. ______, it is also a problem in some urban areas.

　 A. As a result　　 B. Furthermore　　 　C. In the end　　　 D. As a matter of fact

15. It is very 　　　　　of you to notice that detail straightaway．

　 A．sharp　　 B．enthusiastic　　 　C．eager 　　D．aware

14. The fact that smoking is harmful to health is ________ most smokers admit． 　 　A．what　　　　　　　 B．which　　　　　　 　C．where　 　　　 D．that

13. -Dad! Tom's broken a glass!

- ________. Accidents will happen.

A. No way　　　　 　　　　B. Doesn't matter　　　　

C. No trouble at all　　 　　D. Don't mention it

12. It seems that living green is ______ easy and affordable. A small step makes a big difference.

　 A. exactly　　　　 B. fortunately　　　 C. surprisingly　　　 D. hardly