第二部分：英语知识运用（共两节，满分 45分）
第一节：语法和词汇知识（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，并在答题卡上将该项涂黑。
21. Many students find ________ jobs during their summer holidays.
A. terminal B. temporary C.permanent D. fragile
22. ---- Why does the lake smell terrible?
---- Because large quantities of water ____________.
A.have polluted B. is being polluted
C. have been polluted D. has been polluted
23. By the time he arrives in Beijing, we _________ here for two days.
A. will be arriving B.have been staying
C. have stayed D. will have stayed
24. __________ with a camera, a compass and several maps, the scientists set out to explore the ancient forest.
A.Equipped B. Equipping
C. Being equipped D. Having equipped
25. If I hadn’t stood under the ladder to catch you when you fell, you ________ this moment.
