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. If I were in ______ position of the headmaster, I would make every effort to bring ______ end to cheating in exams.
A. /; the B. a; the C. a ;an D. the; an
22. Apple has exhibited a taller, 4G-enabled iPhone at an event in San Francisco, ______ great pleasure to the global Apple fans.
A. bringing B. having brought C. to bring D. brought
23. In English , if new words continue to be used for at least five years, they generally ______ the Oxford English Dictionary.
A. are connected with B. end up in C. are caught in D. take in
