二、单项填空（共15小题；每小题1分，满分15分）
21. It is reported that ____ 83-year-old patient died of H7N9 bird flu (禽流感)despite treatment in Jiangsu Province, which is one of ____ worst-hit regions in China.
A. a; the B. a; a C. an; the D. the; a
22. ---Come on, Peter. I want to show you something.
---Oh, how nice of you! I _______ you _______ to bring me a gift.
A. don’t think; are going B. never thought; were going
C. didn’t think; are going D. hadn’t thought; were going
23. We should ______ great importance to job training, so that students will be aware of their development in related aspects.
A. concentrate B. devote C. attach D. emphasize
24. The falling of the new building _______ its soft base, causing 1 death and over 20 injuries.
