题目内容
【题目】This video camera can prevent the picture from jumping as the photographer ______.
A. moved B. is moving
C. will move D. has moved
【答案】B
【解析】考查时态的用法。句意:这部摄像机能阻止摄影师正在移动时的图像跳动。根据题干含义,as引导的是时间状语从句,从句的动作正在进行,应用现在进行时。故选B。
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