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Unit 2 Fit for life 时间：30分钟 Ⅰ.单项填空 1．As is often the case，a telescope is ________ to see clearly either in cloudy or sunny night. A．acceptable B．adjustable C．changeable D．avoidable 答案 B [acceptable可接受的；adjustable可调节的；changeable可变化的；avoidable可避免的。根据题意选B，表示“望远镜是可以调节的”。] 2．The ________ to gambling cost him his family and life. A．interest B．addiction C．involvement D．experience 答案 B [interest和involvement要和介词in搭配；experience通常和介词of搭配；addiction和介词to搭配。所以本题正确答案是B。] 3．The Smith are to move to the city and they have been looking ________ the district for a suitable house. A．in B．around C．for D．at 答案 B [表示“他们一直在该地区四处寻找一所合适的房子”，故选B。] 4．We were all at a loss，________ what was behind this sudden change of the plan. A．to wonder B．wondered C．wondering | 
