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课时提升作业(二十四)
必修5 Unit 4
Ⅰ. 单项填空
1. (2013·丽水模拟)The incomes of men workers went up by almost 50 percent. _________, women workers saw their earnings fall.
A. Moreover B. Meanwhile
C. Otherwise D. Therefore
2. (2013·泰安模拟)Please do me a favor—_________Mr. Smith of the date and place of our English speech contest.
A. to inform B. informing
C. inform D. informed
3. He asked us to____________him in carrying through the plan at the meeting yesterday.
A. provide B. encourage C. assist D. persuade
4. (2013·余姚模拟)The importance of trees and grass lies in that they can not only help hold the good soil_________but also purify the polluted air.
A. in need B. in place
C. in turn D. in store
