【题目】That virus has the power to all the valuable files people have stored in their computers.
A. wash away B. smooth away
C. put out D. wipe out
在线课程【答案】D
【解析】选D。考查动词短语辨析。句意: 那种病毒能删掉人们储存在电脑中的所有有价值的文件。wipe out擦掉, 消除; smooth away克服(困难); put out熄灭, 扑灭; wash away冲走。根据句意, 电脑病毒能够“擦除”在电脑上储存的所有文件。