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课时提升作业(七)
必修2 Unit 2
Ⅰ. 单项填空
1. (2013·阜阳模拟)—Your iPhone is really cheap at that price.
—Yes, it is a real .
A. exchange B. business
C. trade D. bargain
2. (2013·三亚模拟)As work in the nuclear power station is dangerous, the company is preparing to some of its workers with robots.
