问题
选择题
The computer system _____ suddenly while he was searching for information on the Internet.
A．broke down
B．broke out
C．broke up
D．broke in
答案
答案：A
动词短语辨析。A出故障,分解,瓦解；B爆发；C使粉碎；解散；结束；D闯入；句意：当我们在网上搜寻信息时，计算机系统突然出了故障。