第二部分：英语语言知识运用（共两节，满分40分）
第一节：单项选择（共20小题; 每小题1分，满分20分）
请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
21. The world ______we live in is full of things ______ cannot be explained even by today’s science.
A. where; where B. where; which C. which; where D. which; that
22.Detectives have _______ their search for the fifteen-year-old boy missing three days ago.
A. set up B. stepped up C. take up D. pulled up
23.This incident has_______ great interest due to the reports of strange lights in the sky around the time the boy disappeared.
A. awarded B. assumed C. received D. puzzled
24.I didn’t see him, but I heard him _______his favorite CD, and listened for a while.
A. put on B. put up C. put out D. put back
25.Justin didn’t _______for lunch the next day and Mrs. Foster became worried.
A. show around B. show in C. show up D. show out
26.Photos are taken but no evidence of life _______on any of the planets so far.
A. had been discovered B. has been discovered C. is discovered D. are discovered
27. _______we have not dismissed the idea, we are looking into other possibilities.
