根据《GB50009-2001建筑结构荷载规范》规定，结构极限状态分为两

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问题单项选择题

根据《GB50009-2001建筑结构荷载规范》规定，结构极限状态分为两类，承载能力极限状态和（）。

A.使用极限状态

B.可靠极限状态

C.正常使用极限状态

D.正常能力极限状态

答案

参考答案：C

听力题

根据汉语提示写出英语单词（一词1分共10分）。

小题1:It’s ________________ (难以置信的)that such a little boy should work out so difficult a problem while many adults can’t.

小题2:What’s your ____________ (印象) of my uncle?

小题3:The class ________________of （组成）56 members.

小题4:Do you think the writer has an (乐观的) or pessimistic view of the future?

小题5:It is supposed that the __________有毒的）food may be the cause of the man’s sudden death.

小题6:Did you attend your uncle's wedding_____________________（仪式）

小题7:He had to ______ (使习惯于)himself to the cold weather.

小题8:The best way to _______ (预测)your future is to create it.

小题9:Though he is less than one year old， he is strong enough to walk ______ (稳定地).

小题10:Shopping bags are provided for the customers’ _______________ (方便).

单项选择题

在人类听觉范围内，最能有效引出耳内肌反应的频率为：（）

A.2000～3000Hz

B.3000～4000Hz

C.4000Hz以上

D.1000Hz以下

E.4000Hz以上