某相邻基础，作用基础底面处附加压力：甲基础P01＝200kPa，乙基础P02＝100

情景交际。

1. — Now, where is my purse? 

    — _____! We'll be late for the picnic. [ ]

A. Take your time

B. Don't worry

C. Take it easy

D. Come on

2. — You couldn't have chosen any gift better for me.

    — _____.  [ ]

A. I'm glad you like it so much

B. That's all right

C. Oh, don't you like it?

D. Sorry, I'll choose a better one next time

3. — Micky! 

    — _____, Mum? 

    — Come and help me move the table out. [ ]

A. What

B. Right

C. Yes

D. Pardon

4. — Do you mind if I turned the TV down? 

    — _____. [ ]

A. Yes, I don't mind

B. No, go right ahead

C. Yes, please turn it down

D. Don't worry. You'll get used to it soon

5. — She didn't come to school yesterday, did she?

    — _____, though she was not feeling very well. [ ]

A. No, she didn't

B. Yes, she didn't

C. No, she did

D. Yes, she did

某二叉树有6个度为2的结点以及4个度为1的结点，则该二叉树中共有______个结点。

夹用外国字母，不仅仅是文字的规范化问题、书面的形象美观问题，更大程度上，是关乎一个国家、一个民族自身的文化尊严，是绝不应该等闲视之的。下列理解不恰当的一项是( )。

A．夹用外国字母关系到文字的规范化问题

B．夹用外国字母无关紧要

C．夹用外国字母影响书面的形象美观

D．夹用外国字母关乎一个国家、一个民族自身的文化尊严

人体神经调节的基本方式为    ，完成该活动的神经结构为    。生命活动除具有神经调节外，还有    。

下列可引起货币供给量增加的货币政策操作是（ ）

A．提高法定存款准备金率

B．提高再贴现率

C．发行央行票据

D．中央银行买入债券