硫酸铝、三氯化铁和硫酸亚铁属于：（）A.无机盐混凝剂 B.有机_爱下问搜题

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问题单项选择题

硫酸铝、三氯化铁和硫酸亚铁属于：（）

A.无机盐混凝剂

B.有机盐混凝剂

C.无机高分子凝聚剂

D.有机高分子凝聚剂

答案

参考答案：A

补全对话，情景问答

根据下面对话提供的情景，在每个空白处填入一个适当的句子，使其意义连贯、完整。其中有两项是多余的。

A. When aye you going there?
B. What's your plan for this vacation?
C. Which pavilion do you want to visit most?
D. I don't like to go there.
E. Who are going there?
F. I think it's worth (值得) visiting.
G. Is there anybody going with you?

A: The summer vacation is coming.        1
B: I'd like to visit the World Expo Garden (世博园) in Shanghai.
A: That will be quite exciting. But I hear there're a large number of people there every day. You have to
    wait for a long time to visit some wonderful pavilions (展馆).
B: I know about it. However,         2         Yon can see and learn a lot there.
A: You're right. I want to go to the World Expo Garden very much, too.        3
B: Next month.
A:       4
B: Yes, my parents will take me there.
A:        5
B: The China Pavilion, of course. Why don't you go with us?
A: Good idea! I'll call you later.See you!
B: See you!

判断题

合同的权利义务终止后，当事人应当遵循诚实信用原则．根据交易习惯履行通知、协助、保密等义务。