搜题请搜索小程序“爱下问搜题”
问题 判断题

深井水基钻井液在温度越高、作用时间越长的情况下，高温分散作用就越不明显。

答案

参考答案：错

解析：深井水基钻井液在温度越高、作用时间越长的情况下，高温分散作用就越明显。

单项选择题

年物价水平上升速率在10%～100%的通货膨胀属于（）。

A.初级的通货膨胀

B.温和的通货膨胀

C.恶性的通货膨胀

D.严重的通货膨胀
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补全对话，情景问答

在空格内填入适当的词语，将对话补充完整。

M－Mr Smith; L－Li Gang

M: How are (1)___________________ your English study, Li Gang?

L: I have some difficulties in spelling and pronunciation, especially in speaking. (2) ___________________,

    I become nervous and make a lot of mistakes. Sometimes I wonder if I can learn English well.

M: Don't give up. But do you often speak English.

L: I'm afraid not.

M: That's the trouble. Just as (3) ___________________ without jumping into the water, so you can't learn

      to speak English if you don't speak it.

L: You're right. But I'm afraid of (4) ___________________.

M: You really should not. Everybody makes mistakes, especially at the beginning. It's part of the learning.

L: Mm…I see.

M: Very good. I hope you'll take every chance (5) ___________________. You know, "Practice makes

     perfect."

L: Yes, I will. Thanks.

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