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,并在答题卡上将该项涂黑。
21. —How many people are still leading_____ life under_____ poverty line in the world?
—Perhaps one fourth.
A. the; 不填 B. a; the C. a; a D. 不填; 不填
22. ---Have you got used to the Chinese food, Robert?
---Yes. But I don't like _____ when a Chinese host keeps serving me the food I don't like.
A. this B. that C. those D. it
