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问题 填空题

加固处理软粘土地基时，常采用砂井堆载预压法，其中砂井的主要作用是______。

答案

参考答案：排水(加速土层的固结)

选择题

由溴乙烷制取乙二醇．依次发生的反应类型是（　　）

A．取代、加成、水解

B．消去、加成、取代

C．水解、消去、加成

D．消去、水解、取代
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阅读理解
阅读理解。
        根据短文内容判断下列句子的正误，正确的用“A”表示，错误的用“B”表示。
My listening is very poor. My F.nglish teacher,
Mary, is from Canada. Shc speaks too fast and I find it hard to understand her.
I'm afraid to speak English in class because my spoken English is bad and I'm afraid my
classmates might laugh at me
There are many mistakes in my compositions. I have trouble in writing
                               I think Zhang Ying should often listen to the
tapes to improve his listening. He  can also ask his teacher to speak more slowly. Wang Ming
should speak more English  and not be shy.  He should talk in English as much as possible.
Gao Nuo should learn English grammar well
and keep a diary in English every day
( )1. Mary speaks so fast that Zhang Ying can't follow her.
(     )2. Gao Nuo's spoken English is bad.
( )3. Wang Ming is afraid to speak English in class because he speaks
English fast.
(     )4. Wang Hong gives two suggestions to Wang Ming and Gao Nuo.
(     )5. If you are Zhang Ying, you should often listen to the tapes to improve
listening.
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