第二部分：英语知识运用(共两节，满分35分)
第一节：单项选择(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. —I feel the floor shaking. It must be an earthquake.
— , Let’s rush out!
A. I’m afraid not B. So do I
C. So I do D. I don’t think so
22. Scientists are now trying to find effective ways to slow down global warming and to determine
part of the world will become wetter or drier.
A. where B. whose C. what D. which
