30. Due to the widespread _______ of this medical technology, more disease can be discovered and treated at an early stage.

A. presentation　　　 B. application　　　 C. qualification　 　　　D. appreciation

29. It’s very dangerous to be ________ to the virus without any protection.

A. explored　　　 　　B. uncovered　 　 　　C. affected　　　 　　　D. exposed

28. We all went to Jiuzhaigou during the summer holidays ____ Zhang Lin who was not herself at that time.

A. in addition to　　 　B. besides　 　　　　C. including　　 　　 　　D. apart from　

27. I have searched ________ for the book but couldn’t find it.

A. accurately　　　 　B. technically　　　 　C. thoroughly　　 　　D. firmly

26. The reason for our failure was the _______ of enough time and money.

A. lack　　 　　　　　　　　　　 　B. limit　 　　　　　C. use　 　　　　　 　　　　D. demand

25. All the others seem to know each other and I began to feel ________.

　 A. given away　　　 　B. left out　 　　　　　　　 　　C. turned down　 　 　　D. fallen behind

24. Shelly had prepared carefully for her biology examination so that she could be sure of passing it at her first_________.

　 A. intention　　　 B. attempt　　　C. purpose　　　 D. desire

23. The man, ______ of an attempted robbery, insisted that he was innocent and be set free.

A. charged 　　　　B. blamed 　　　　　　C. ashamed　　 　　　 D. accused

22. The balance of nature is _____ at times, resulting in a number of possibly unforeseen effects.

A. confused　　　　 　　 B. troubled　　　　　　　　　 C. disturbed　　　　　 　 D. harmed

第一节：单项填空(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. Are you ________ that you have never seen him before?　　　　

A. cautious　　 　　　B. optimistic　　　 　C. positive　 　　　　D. delighted