可溶性盐类主要包括易溶盐、中溶盐和难溶盐。其中，易溶盐是指土_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题多项选择题

可溶性盐类主要包括易溶盐、中溶盐和难溶盐。其中，易溶盐是指土浸泡在水中容易浸提出来的盐分。下列属于易溶盐的是（）。（）

A.氯化物

B.石膏

C.钾钠碳酸盐

D.碳酸钙

答案

参考答案：A, C

填空题

圆锥的侧面积恰好等于其底面积的2倍，则该圆锥侧面展开图所对应扇形圆心角的度数为（）。

填空题

从方框中选择正确选项．并将其字母序号写在对话后面的空格内。(方框
中有一个选项与对话内容无关)

A．Why do you want Io be a basketball player?
B．Think it over!
C．No．I don’t want to talk with them．
D．But it’s not everything．
E．Do you have a plan for the future?
F． Yes．many times．

Celia: Hi Tony! You look upset. What’s wrong?
Tony: I failed the exam again. I’m afraid I have to give up my study.
Celia: No, never. If you do that, you will let your parents down.       1
Tony: Yes. I want to practice basketball and become a basketball player like Yao Ming or Kobe.
Celia:      2
Tony: Because it’ s my dream job. If I am famous, I can make lots of money.
Celia: Money is important.        3
Tony: I know. But I want to hold on to my dream.
Celia: Have you ever talked with your parents?
Tony:      4       But they don’t agree. They want me to be a doctor.
Celia: I think you’d better take your parents’ advice.
Tony: Maybe you’re right. But why can’t 1 make my own decisions?
Celia: Come on, Tony.        5       After all, your parents have more experience.
Tony: Anyway, I’ll think about it. Thanks for your advice.