helps us a lot to protect the environment．( )A．Buying old thingsB．Making cheap thingsC．Recycling thingsD．Using cheap things 题目和参考答案——青夏教育精英家教网—

11． helps us a lot to protect the environment．（　　）

	A．	Buying old things		B．	Making cheap things
	C．	Recycling things		D．	Using cheap things

分析回收东西对我们保护环境有很大帮助．

解答答案：C．考查动名词短语．句意"回收东西对我们保护环境有很大帮助．"．A买旧东西．B制造便宜东西．C回收东西．D使用便宜东西．结合语境"____对我们保护环境有很大帮助．"，可知，应该是"回收东西"，选C．

点评考查介词用法，这个知识点很广泛，有一些固定用法，需要日常积累，结合语境选择正确介词完成习题．

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