皮皮学，免费搜题
登录
搜题
【单选题】
用邻苯二甲酸氢钾标定NaOH溶液浓度时，会造成系统误差的是A.
用甲基橙作指示剂
B.
NaOH溶液吸收了空气中的CO 2
C.
每份邻苯二甲酸氢钾质量不同
D.
每份试液中加入的指示剂量不同
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】This is a group project. First work in groups and as a class to create an A-to-Z list of China. Then choose three letters to write a 120-word composition titled “The ABCs of China” Evaluation Criteria...
【简答题】听下面5段对话或独白，回答问题。 1. What did Tony do with the money? A. Put it in his backpack. B. Put it in a bank. C. Gave it to the police. 2. What would Linda do if she found $ 100? A. She'd buy a new house and s...
【简答题】What is the Rangers’ role in taking care of the national parks?
【简答题】Remember to start each para. with a topic sentence. In this part, examine, explain and defend your personal reaction to your reading in this unit. There is no right or wrong answer to a reader respons...
【单选题】Which of the following is not an important role of advertising?
A.
The social role
B.
The economic role
C.
The communication role
D.
None of the above
【单选题】听力原文：W: Have you finished reading my research report? I put it on your desk last week. M: Yes, but you have to revise some parts of it, I'm afraid, if you want to get it published. What does the man s...
A.
Put her report on his desk.
B.
Read some papers he recommended.
C.
Improve some parts of her paper.
D.
Mail her report to the publisher.
【简答题】Put the words in the right order to form indirect questions or statements. I wonder you if could me tell what time is it?
【简答题】Unit three-listen(2).wmv Business appointment setting is an important task to gear up (1) for an electronic company.Generally,most of electronic companies (2) a large sum of money in appointment setti...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
