问题
选择题
The computer system has ______ .
A．broken out
B．broken down
C．broken into
D．broken away
答案
答案：B
词义辨析题。电脑系统瘫痪了。A. broken out 爆发 B. broken down 出故障 C. broken into 闯入 D. broken away 挣脱 根据语境选B
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