27．In the Gulf of Mexico the animals' presence close to shore means their usual habitat is badly polluted, and the crowding could ________ mass die-offs as fish run out of oxygen.

A. result from　　　　　　　 B. benefit from　　　　　　 C. devote to　　　　　　　　　　　　 D. result in

26．Two pages of the original manuscript (底稿) of Albert Einstein's General Theory of Relativity were________　 on display in the Israel Pavilion of the 2010 World Expo in Shanghai.

A．put up　　　　　 B set down　　　　　　 C. sent up　　　　　　　　　　　　　 D. taken up

25．Keep in mind: your efforts will ______.Don’t let one or two failures over the year get you down.　　　　

A　 take off　　　　　 B. put off　 　　　　　C. pay back　　　　　　 D. pay off

24．The government _________ the diplomatic (外交的) note from that country for its unclear 　　　　　　　　attitude to the trade between two countries.

　　　 A. denied　　　　　　　　　　　　　　 B. suggested　　　　　　　　 C. rejected　　　　　　　　　　 D. ignored

23．Having finished his morning work, the manager stood up behind his chair, _______ himself. 　 A. practising　 　　 　B. spreading　　 　　　　 C. stretching　　 　　　　　 D. extending　　

22．She’s hoping her first performance in the US will be the first step on the road to success, then she wants to try her ________ in Hollywood.

　　　 　A. profit　　　　 　　 　B. fortune　　　　　　　　 C. distinction　　　　　　　　 D. wealth

第一节：多项选择(共10小题；每小题1分，满分10分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21．As a good teacher, he should use different ways to encourage all children to realize their full

　　 　　　　and achieve their goals.

　　　 A．possibility　　　　　 B．motivation　　　　　 C．potential　　　　　　　 　　 D．awareness