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课时提升作业(十七)
必修4 Unit 2
Ⅰ. 单项填空
1. (2013·杭州模拟)Many people tried to leave the country, _________there was much violence and a serious shortage of food supply.
A. where B. which C. that D. what
2. (2013·温州模拟)With this equipment, you can _________underwater beauty and a new world of adventure!
A. experiment B. explore
C. expose D. expand
3. (2013·金华模拟)Are you free tonight? _________, I’d like you to meet Tom, my new friend from the United States.
A. Even so B. When necessary
C. If not D. If so
4. It has been discovered that the traffic accident _________the driver’s careless driving.
A. resulted in B. resulted from
C. led to D. contributed to
