3．The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.　

A. delay　　　　　　 B. effort　　　　　 C. schedule　　　　　 D. consideration

2．On December 28, 2009, a terrible tsunami happened in the coasts of South and Southeast Asia, _______ over 25,0000 people.　

A. killing　　　　　　　　　　　　　 B. had killed　　 　　　　　　　　　　 C. killed　　　　　　　　 D. having killed

答案：A

解析：考查非谓语。用-ing形式作状语表示对谓语动词的补充说明。

1．21. The winning of hosting _______ 2010 World Expo is _______ victory not only for Shanghai residents, but for ___________ people of the whole Chinese nation.

A. the; a; the　　　 B. a; the; a　　　 C. a; a; the　　 D. the; the; a

答案：A

解析：“2010 World Expo”和“people of the whole Chinese nation”是特指；victory是泛指。