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

 

A

考查動(dòng)詞短語(yǔ)辨析。句意：他上網(wǎng)搜索信息時(shí)電腦出故障了。吧break down出故障，壞掉；break out爆發(fā)；break up解散，粉碎；break in強(qiáng)行進(jìn)入。

 

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Russian school students will have to do basic military training in their final year of school, the government has decided．The lesson will include learning to fire guns, marching drills and how to deal with a chemical, nuclear or biological attack. The activity is seen as part of a drive toward the education of their love for their country.

Is it hard for you to get up early and get ready for classes? Some students at Winter Park High School just roll our of bed in their pajamas(睡衣) and go to class in their own bedrooms. Of course, their teachers and classmates do not see them because all their class work is on the computer. The Florida High School, the state’s only online school, had 250 students who are taking classed at home by computer. Students in this first online program take classed in algebra(代數(shù))， American government , chemistry, computer, economics, and web-page design. They also have to go to regular school to attend other classes.

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D．Students can’t take classes in algebra, American government, chemistry, computer and so on.

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B．Children will meet Harry Potter’s mother.

C．The Harry Potter book will be available on the Internet.

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