第二部分：知识运用（共两节, 满分35分）
第一节单项填空（共15小题；每小题1分，满分15分）
请认真阅读下面各题，从A、B、C、D四个选项中，选出最佳选项,并在答题卡上将该项涂黑。
It is believed that ______ European chemist called Felix Hoffmann first produced ASA which completely changed ______ man’s understanding of aspirin.
A. an; a B. the; a C. a; / D. an; /
----I didn’t see her yesterday.
---- Of course, you ____, because he had gone for a trip..
| A．can’t | B．may not have | C．can’t have | D．mustn’t have |
Using renewable energy sources is a simple idea, but ______ we find it hard to put into
practice.
| A．one | B．what | C．which | D．that |
When you come here for your holiday next time, don’t go to ___ hotel; I can find you ____
bed in my flat.
| A．the; a | B．the; / | C．a; the | D．a; / |
Bob, quickly get this film ____. I want to know if this camera works well.
| A．washed | B．developed | C．printed | D．shown |
Swimmers must be very strong in order to build up speed because of the high resistance of the water. Runners, ____, must struggle against the heavy resistance of the air and ground.
| A．generally | B．similarly | C．naturally | D．probably |