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. According to recent reports, one of the rare animals, ____ crocodile, will be in danger of dying out in _____2020s.
A. a;/ B. the; the C. the;/ D. /;the
22. ---- I have to get to the post office by six o’clock, but it is almost six now.
---- ______. This clock is fifteen minutes fast.
A. That’s too bad B. Sounds good C. Sure, you can D. Take it easy
23. The book _______ ten units, two revisions _______.
A. contains; including B. includes; containing
C. includes; contained D. contains; included
24. ---- Do you think attending training courses is a great help when you look for a new job?
---- Well , it all depends. _______, it gives me more of a chance to try.
A. Somehow B. Besides C. Anyhow D. Therefore
25. When deeply absorbed in work , _____ he often was, he would forget all about eating or sleeping.
