27. You will know what it is like ___________most of your time listening to dull reports in a meeting room.

　 A. spending　　　 B. having spent　　 C. to spend　　　　 D. to have spent

26.. Educators claim that children ___________to English-speaking environment will learn the language more quickly.

　 A. being exposed　 B. to be exposed　　 C. having exposed　 D. exposed

25.Mary, born of a poor family, can’t be admitted to a university next fall ___________she can afford her further study.

　 A. unless　　　　 B. for　　　　　　 C. as　　　　　　　 D. if

24.Despite a lot of research, scientists can not figure out ___________quite a number of insects, birds and animals are dying out.

　 A. that　　　　　 B. as　 　　　　　　C. why　　　　　　 D. when

23. ---Mrs. White looks old for her age.

---Yes. It worries her most___________her hair is turning gray.

　 A. while　　　　 B. if　　　　　　　 C. that　　　　　　 D. for

22.Although house prices are unpredictable, most people believe that they will not rise by more than ___________five percent.

　 A. any other　　　 B. the other　　　　 C. another　　　　　 D. other

第一节: 单项填空(共15小题；每小题1分，满分15分)

21.With the economic crisis ___________hand, and the unemployment rate on the rise, career planning will definitely benefit you.

　 A. in　　　　　　 B. on　　　　　　 C. by　　　　　　　 D. at

22．(本小题满分14分)

已知直线与椭圆相交于、两点，是线段上的一点，，且点M在直线上

　 (1)求椭圆的离心率；

　 (2)若椭圆的焦点关于直线的对称点在单位圆上，求椭圆的方程。

2009-2010学年上学期期末模块诊断与学分认证考试