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。
21. Tangjialing was, until recently, _____ home to about 50,000 members of _____ low-income graduates.
A. 不填; the B. a; the C. 不填; a D. a; a
22. For professional athletes, ________ to the Olympics means that they have a chance to enter the history book.
A. appeal B. attachment C. access D. approach
23. ______ the deaf children, the young lady has little time to care for her own daughter.
A. Devoted to teach B. Devoting herself to teaching
C. Devoting to teach D. Devoted herself to teaching
24. Some inventions are well received, but _______ function, they aren’t very successful.
