第二部分：英语知识运用（共两节，满分45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. ---- I’ve got your invitation.
---- Oh , good. ____
A. Can you come? B. Thanks a lot. C. I’ll take it. D. May I help you?
22. That they were wrong in these matters _____ now clear to us all.
A. is B. was C. are D. were
23. It is the farmers who provide us with food, yet they are _____ by some citizens.
A. looked forward to B. looked down upon
C. looked back upon D. looked up to
24. It’s said that Mr. Smith has made ____ important new discovery in the field during ____ past decade.
A. an; the B. an; a C. 不填; the D. 不填; a
25. It is easier to do it by yourself ____ to explain it to him.
A. than B. if C. when D. that
