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问题 单项选择题

在无机结合料稳定土无侧限抗压强度试验中，当偏差系数C＝(10%～15%)时为 ( )试件。

A．6个

B．9个

C．13个

D．15个

答案

参考答案：B

解析：
在现场按规定频率取样，按工地预定达到的压实度制备试件。试件数量：无论稳定细粒土、中粒土和粗粒土，当多次试验结果的偏差系数Cv＝10%～15%时，可为9个试件； Cv＞15%时，则需13个试件。故选B项。

填空题

对话填空。

      阅读下面对话，掌握其大意，并根据各题所给字母的提示，在标有题号的右边横线上写出

一个英语单词的完整、正确形式，使对话通顺。

Kate: Excuse me, Jack, I want to speak good English. Can you give me some a    1  ?

Jack: Of course. Kate, I'd be h   2   to help you. There are lots of things you can do to i   3   your English.

Kate: Like what?

Jack: Well, you need to p   4   as much as possible by listening to English programmes on the radio and TV.

Kate: What k   5   of programmes?

Jack: News programmes, teaching programmes and some good films. And novels or books in English are

        well worth r   6   .

Kate: Ah, there are lots of ways I can try!

Jack: It's also important for you to get a good learner's dictionary. I'll send you some i   7   about choosing 

        and u   8   a good dictionary. Can you give me your e-mail address?

Kate: Yes, here it is...I am sure my English will get much better w   9   all your help, thank you, Jack!

Jack: You're welcome, Kate. Good l   10   .

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单项选择题

全水分煤样缩分后总样最小质量，约为一般煤样的20%，但不能少于（）

A、A0.10kg

B、0.65kg

C、0.7kg

D、1.25kg
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