根据网考网考试中心的统计分析,以下试题在2017/11/9日成人英语三级考试习题练习中,答错率较高,为:98%
【单选题】First aid can save a person's life if ______ immediately and properly.
A.perform
B.performing
C.performed
D.to perform
网考网参考答案:C,答错率:98%
网考网试题解析:
[考点] 状语从句中的省略
[解析] 补充完整的从句为if first aid is performed immediately and properly。
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