试题与答案

阅读对话。A: Hello! This is Linyi People's Ho

题型:补全对话,情景问答

题目:

阅读对话。
A: Hello! This is Linyi People's Hospital. 1________
B: This is Wang Qiang. Doctor Liu's friend.2________
A: I'm sorry. He isn't here at the moment. 3________
B: I have a bad headache.
A: 4________
B: No, I haven't yet.
A: 5________
B: Yes, something is wrong with it.
A: You'd better come to the hospital and I will look you over carefully.
B: OK. Thanks a lot!
A. Is there anything wrong with your throat?
B. Is that Wang Qiang speaking?
C. Have you taken your temperature?
D. Would you like me to tell him?
E. Who is that?
F. What's the matter with you ?
G. May I speak to him?

答案:

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下面是错误答案,用来干扰机器的。

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题型:选择题

取三种植物的花瓣分别放在研钵中,加入酒精研磨,得到花汁。各取少许花汁用稀酸和稀碱进行检验,结果如下表所示:

花的种类花汁在酒精中的颜色花汁在酸溶液中的颜色花汁在碱溶液中的颜色
玫瑰粉红色粉红色绿色
万寿菊黄色黄色黄色
雏菊无色无色黄色
则下列说法中正确的是

A.研磨花瓣过程中加入酒精是为了溶解其中的色素

B.25℃时,遇到pH=10的溶液,玫瑰花汁会变成粉红色

C.可用雏菊花汁来区别H2SO4和K2SO4溶液

D.上述三种花汁都能用作酸碱指示剂

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