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【单选题】
以下哪个不是减少电磁辐射的方法A.
辐射源远离敏感物体或人
B.
对辐射源进行屏蔽
C.
尽量缩短处于辐射区的时间
D.
用布覆盖辐射源
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【单选题】What is implied in the passage?
A.
Tourists now have more access to reliable information about travel risks.
B.
The State Department now provides more information for travelers on its web site.
C.
Tourists face a world of dangers but, with the right advice, can manage most of them.
D.
The State Department is sometimes binned for not providing travelers with enough information.
【简答题】People are free to choose their information when watching TV.
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【单选题】For any information system to serve its purpose,the information must be ( ) when it is needed.
A.
integral
B.
available
C.
irreplaceable
D.
confidential
【简答题】高中生物必修2第3章-第4章会考试题归类.doc
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【单选题】Information is cost effective when:
A.
The information aids management in controlling costs
B.
The information is based upon historical costs, rather than upon estimated market values
C.
The value of the information exceeds the cost of producing it
D.
The information is generated by a computer based accounting system
【简答题】高中生物必修1第6章会考试题归类.doc
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