温馨提示：
此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。关闭Word文档返回原板块。
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.
A. represent B. replace
C. exchange D. reduce
3. The girls into the company recently have to receive strict training before they start to work.
