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问题 判断题

公安工作是围绕国家安全和社会治安秩序的需要适用法律、法规的专门工作。( )

答案

参考答案：对

问答题

同温同压下，同体积的乙烯气体（C2H4）和二氧化碳气体；

分子数之比为______；原子总数之比为______；

质量之比为______；密度之比为______．
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单项选择题

Originally introduced by Netscape Communications, (48) are a general mechanism which HTTP Server side applications, such as CGI (49) , can use to both store and retrieve information on the HTTP (50) side of the connection. Basically, Cookies can be used to compensate for the (51) nature of HTTE The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (52) .

49（）

A.graphics 

B.processes 

C.scripts 

D.texts
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