题目内容
15．Don't use the lift when you escape from a highbuilding during a fire．（build）分析 当高层建筑物发生火灾的时候，不要乘坐电梯逃生．
解答 答案：building．
根据后面的英语（build）提示以及"Don't use the lift"，可知在高层建筑物发生火灾的时候，不要乘坐电梯逃生．建筑物要使用building，故填building．
点评 根据英语提示以及句子的意思，就可以确定正确答案．
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