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. In today’s world of business ______ information is everything, so what we need to do is to get ______ information we need quickly.
A. 不填; the B. the; the C. the; 不填 D. 不填；不填
22. — People should spare no efforts to protect the environment.
— ______. PM 2.5 does harm to our health.
A. Fine B. Go ahead C. Exactly D. All right
23. When he went outside half an hour later, he was astonished ______that the little black lamb was almost white.
A. to find B. finding C. find D. to be found
24. With two school-age boys and a baby daughter, the working mother has never been ______. She has hardly any time for social activities.
A. occupied B. most occupied C. more occupied D. the most occupied
25. ______ is so often pointed out, knowledge is a two-edged weapon ______can be used equally for good or evil.
A. Which; which B. Which; as C. It; that D. As; which
26. You play to win, and the game has little meaning ______ you do your utmost to win.
A. until B. if C. unless D. although
27. The parcel was a whole week late. How I wish I ______ air mail instead.
