第一部分英语知识运用(共两节，满分45分)
第一节单项填空(共15小题；每小题1分，满分15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.Using _____ illegal drugs can lead to health problems, and it can be _____ stain on one’s life.
A. 不填；the B. the; the C. the; a D. 不填； a
English is a language shared by several diverse cultures, ________ uses it differently.
| A．all of which | B．each of them |
| C．all of them | D．each of which |
--I heard about your promotion; you ______ be thrilled.
--Not really, the new office is huge, but the workload has doubled.
| A．must | B．can | C．shall | D．will |
-- ______________, I can make it home by 8:30 when the football game will be on TV.
-- Well, it depends on how efficiently you work.
| A．Obviously | B．Gradually |
| C．Hopefully | D．Fortunately |
An expert says, “I think it is unpredictable for nature. You don’t know what will happen but_________, we are preparing.”
| A．somehow | B．anyhow |
| C．somewhat | D．someway |
U.S. President Barack Obama on Wednesday paid honor to health care workers who have treated Ebola patients in West Africa, calling them “heroes”_________ to be applauded rather than discouraged.
| A．reserving | B．deserving |
| C．observing | D．preserving |