第一部分基础知识（共20小题，每小题1分，满分20分）
单项选择从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. The reason why she was fired was _________ the boss was not satisfied with her job.
A. that B. what C. which D. whether
【答案】A
2. When _________ to the local cultures, people learn the foreign languages better.
A. exposing B. having exposed C. are exposed D. exposed
【答案】D
3. No visitor would think _________ surprising that the island is a UNESCO World Heritage Site.
A. that B. it C. this D. what
【答案】B
