题目内容
6．It's dangerous to riskstepping （step） out of the door without any protection．分析 在没有任何保护的情况下冒险从门走出去是很危险的．
解答 答案：stepping．考查动名词．句意"在没有任何保护的情况下冒险从门走出去是很危险的．"，step out of the door从门走出去．risk doing sth冒险做某事，因此用step的动名词stepping（以重读闭音节结尾，末尾只有一个辅音字母的动词，变现在分词或动名词时双写最后一个字母再加ing）．答案是stepping．
点评 考查固定动名词，要根据提示，结合具体语境，固定搭配等，仔细分析，运用正确形式完成试题．
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