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问题 多项选择题

钢筋的机械性能通过试验来测定，钢筋质量标准的机械性能有（）等指标。

A.屈服点

B.抗拉强度

C.伸长率

D.冷弯性能

E.可焊性

答案

参考答案：A, B, C, D

单项选择题

Originally introduced by Netscape Communications, (1) are a general mechanism which HTTP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (2) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .

A．Browsers

B．Cookies

C．Connections

D．Scripts
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单项选择题

职工具有良好的______，有利于增强企业的凝聚力，促进企业发展。

A．职业道德

B．技能水平

C．文化水平

D．工作业绩
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