第一部分：英语知识运用（共两节, 满分50分）
第一节：单项填空（共20小题，每小题1分，满分20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. He likes ____ music so much that I think it right to buy him____ MP3 as ____ birthday present.
A. the; an; a B. /; an; the C. /; an; a D. the; a; a
22. Teenagers_____ their health because they play computer games too much.
A. have damaged B. are damaging C. damaged D. will damage
