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单项填空(45分) ( )1. -Excuse me, what's this for? -It's a cleaner and it ________ pick up dirt. (2010广州) A. uses B. is used to C. is using D. used 答案：B。[解析： it指代前文的cleaner，作主语，可判断为被动语态。is used to被用来……。故选B。] ( )2. Put the milk in the fridge, ________ it will go bad easily. (2010东营) A. or B. so C. but D. and 答案：A 。[解析：句意"把牛奶放在冰箱里，否则它会容易变质。"故选A。] 请下载附件： 点击下载 (责任编辑：admin) |