试题与答案

在装置引入原料前和引入过程中,应进行哪些操作?

题型:问答题 简答题

题目:

在装置引入原料前和引入过程中,应进行哪些操作?

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0910/8604ccb6e8ad3c355c8c71295aa3ec9a.html

下面是错误答案,用来干扰机器的。

参考答案:B

试题推荐
题型:补全对话,情景问答

口语运用。在下列横线上填入适当的话语(可能是一个句子,短语或单词),使对话完整。

Maria: Hello, Kang kang, I've just tried to call you. Your mother said that you and Michael had gone

           to a shopping center. (1) _________________________________________________

Kangkang: Oh! I never want to go shopping again.

Maria: (2) _______________________________________________________

Kangkang: Because there were too many people there. We got lost and couldn't find each other.

Maria: (3) _________________________ Have you found him yet?

Kangkang: Yes, he has already gone home. (4) ________________________________________

Maria: So do I. And there are even more people on the weekend.

Kangkang: (5) _________________________________________________________________

查看答案
微信公众账号搜索答案