29. The drug came under strong attack from _______ professional observers, who had been backed up by many doctors.

A. confused　 　　　　　　　 B. confusing　　 　 C. concerning　　　　 D. concerned

28. ---It’s supposed to rain tomorrow.

　 ---I know, but the forecast ___ be wrong. Weather forecasts are far from 100 percent accurate.　　 A. must　　　 　 　　B. could　　　　　 C. should　　　　　 　　 D. will

27. She ignores the fact ____ there are two other channels, ____ we find very silly.

A. that; which　 　 B. that; that　　 　　 C. which; which　　 　 D. which; that

26. If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___ the damaged cells and allow that person to walk again.

A. rescue　　　 　　 B. remove　　　　　 　 C. reserve　　　　　 　 D. replace

25. ---Before you sign the contract, please read it as ________ as you can.

　 ---Thanks for your __________.

A. carefully; requiring　　　　　　　　 　 B. carefully; reminding

C. careful; requiring　　　　　　　　 　　 D. careful; reminding

24. ---Nowadays more and more people move to cities because there are better job opportunities.

　 ---I don’t agree. Most of them remain unemployed, cannot afford housing and eventually __ living in poverty.　　 A. finish up　 　　　 B. take up　　　　　 　 C. end up　　　　　 　 D. put up

23. _______ or not, you’ve got to accept that your kids are grown up now.

A. Whether you like it　　　　　　　 　　　 B. If you like it

C. Whether you like them　　　　　 　　　　 D. If you like them

22. ---Which of the two shirts will you take, the white one or the pink one?

　 --- ____. They match my black suit perfectly.

A. None　　　 　　 B. Neither　　　　 　　 C. All　　　　　　　 　 D. Both

第一节 单项填空(共15小题，每小题1分，满分15分)

21. ____ wide spread of H1N1 is _____ challenge for the whole world. Confidence, cooperation and responsibility are keys to overcoming it.

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