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问题 不定项选择

“WES”征是指 （ ）

A．正常大小胆囊内的块状结石

B．增大胆囊内的泥沙状结石

C．胆囊颈部结石嵌顿

D．胆囊内滚动的结石

E．充满型胆囊结石

答案

参考答案：E

完形填空

With the world changing fast, we have something new ________(deal) with all by ourselves every day.
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单项选择题

Originally introduced by Netscape Communications,___(66)___ are a general mechanism which HTTP Server side applications, such as CGI (67) , can use to both store and retrieve information on the HTTP ___(68)___ side of the connection. Basically, Cookies can be used to compensate for the ___(69)___ nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based ___(70)___ .

A．fixed　　　

B．flexible　

C．stable　

D．stateless
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