必修3第1单元检测题
(总分120分)
第一部分听力（共两节，满分30分）（略）
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. —Is Jack on duty today?
—It_____ be him. It’s his turn tomorrow.
A. mustn’t B. won’t C. can’t D. needn’t
22. There is a(n) ________ of 200 yuan for the person who returns the lost necklace to its owner.
A. reward B. prize C. award D. Praise
23. It’s surely a surprise ______ the event is successful.
A. that B. what C. whether D. when
24. There’s a man at the reception desk who seems angry. I think he means ________ trouble.
A. causing B. to cause C. to have caused D. having caused
25. —What was she doing when you came in?
