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【判断题】
创新的本质是“旧元素，新组合”，旧元素就是我们熟悉的东西，越熟悉越好。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】实验1 对等网的组建与配置.doc 请用word文档按要求完成,word文档的文件命名规则为:“学号+姓名”
【单选题】The water supply has been cut off temporarily because the workers________one of the main pipes. (2013·天津，13)
A.
had repaired
B.
have repaired
C.
repaired
D.
are repairing
【简答题】练习一:新建Word文档,重命名为“学号后三位-姓名”,在文档里输入文本、特殊符号、公式、插入日期和时间 练习一:输入各种符号文字公式.docx
【简答题】铁路货物运价按货物运输种类分为整车货物运价、( )和( )三种。
【单选题】The water supply has been cut off temporarily because the workers ____ one of the main pipes.
A.
had repaired
B.
have repaired
C.
repaired
D.
are repairing
【单选题】The water supply has been ______ again.
A.
cut down
B.
cut off
C.
cut across
D.
cut in
【单选题】(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
A.
had repaired
B.
have repaired
C.
repaired
D.
are repairing
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