题目内容
【题目】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】A
【解析】句意：当他正在互联网上搜索信息时，计 算机系统出了故障。break down意为“(机器等)出现故障”，符合句意。break out“(战争、火灾等)突然发生”；break up“解散；驱散”；break in“闯入”。
练习册系列答案
相关题目