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. _________without friends ___________ the most difficult challenge for Chuck while living on the island.
A. How does he survive ... are B. How to survive ... are
C. How does he survive ... is D. How to survive ... is
22. ________ new buildings will be built in my hometown.
A. A great deal of B. A lots of C. A plenty of D. A great number of
