第二部分:英语知识运用(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,从题中所给的A、B、C、D四个选项中,选出最佳选项。
21. A lot of people worry that air pollution may lead to changes in
weather around the world.
A. the;/ B. /;the C. an; the D. the; a
22. The Roma originally lived in India in is now Pakistan.
A. northern; when B. north; which
C. northern; what D. north; in which