第一节：单项填空（共20小题；每小题0.5分，满分10分）
从A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该选项标号涂黑。
1. ----Mr. Jones isn’t at his desk. Where is he?
----________ . I have no idea.
A. You are welcome B. Tell me about it
C. Let’s call it a day D. You’ve got me there
2．Under the Dome, ________ 103-minute documentary released by Chai Jing, has pushed public awareness about air pollution and encouraged people to join in efforts to make ________difference.
A. the; a B. a; a. C. the; 不填. D. a; 不填
