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. Each of the 400 people received from their boss ______ gift － “Who moved my cheese?” , ______ best-seller in the US, which helped them understand how to deal with changes in their lives and work.
A. the; / B. a; the C. a; a D. the; a
22.Despite being taken from very different sources, the results are remarkably _________.
A. consistent B. constant C. contradictory D. controversial
23. I admire my English teacher. I can remember very few occasions ________ she stopped working because of ill health.
A. that B. when C. where D. which
24.After the earthquake, many people had to be _____ in the tents because most of their houses were badly
