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课时提升作业(三十一)
选修10 Units 3、4
Ⅰ. 单项填空
1. The new law will come into on the day it is passed.
A. effect B. use
C. service D. existence
2. (2013·太原模拟)The company has just launched an advertising campaign to _______ their newly produced bicycles.
A. advocate B. request
C. motivate D. promote
3. We should consider the students’ request the school library provide more books on popular science.
A. that B. when C. which D. where
