◎ 题干
The computer system _____suddenly while Paul was searching for information on the Internet.
A.broke inB.broke outC.broke upD.broke down
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The computer system _____suddenly while Paul was searching for information on the Internet.A.broke inB.broke outC.broke upD.broke down…”主要考查了你对  【序数词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。