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）
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. Everybody has ______ responsibility to save water, if future generations are to enjoy _____ similar standard of living to the one we enjoy now.
A. the; / B. a; a C. /; the D. a; the
22. ---Could you turn the TV down a little bit?
---______.Is it disturbing you?
A. Take it easy. B.I’m sorry. C.Not a bit D.It depends
23. Someone is ringing the doorbell. Go and see ____ .
A. who is he B. who he is C. who is it D. who it is
24．Jerry worked hard and ________ was appointed as group leader of the factory.
