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【单选题】
下列哪一项是强碱性阴离子交换树脂的活性交换基团( )A.
磺酸基团
B.
羧基-COOH
C.
酚羟基C6H5OH
D.
季铵盐
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举一反三
【单选题】— What should I pay attention to when I write an application letter? — Try to be _________. Don’t let out information unnecessary to the company unless it favors your getting the job.
A.
brief
B.
actual
C.
accurate
D.
original
【单选题】When an Indian answers, "I will try,",What does it mean?
A.
I will try to work out.
B.
No, I will not do anything.
C.
I will try, but don't know whether it can work out.
D.
I don't know.
【简答题】When I try to understand ________ 选择When I try to understand ________ that prs so many Americans from being as happy as one might expect, it seems to me that there are two causes. A) why it does ...
【单选题】When I try to understand ________ that prevents so many children from being happy, there seem to be three causes.
A.
why it is
B.
what it does
C.
why it does
D.
what it is
【单选题】I was about to give up when it suddenly ________ to me that I should try to solve the problem in another way. [ ]
A.
referred
B.
adapted
C.
occurred
D.
adjusted
【单选题】听力原文：I try to eat less when I am on a tight schedule. (A) Yes, I saw that too on a diet program. (B) I also get drowsy if I have a big meal. (C) The restaurant is so crowded whenever I go there. (6)
A.
B.
C.
【单选题】When I try to understand ________ that prevents so many Americans from being as happy as one might expect, it seems to me that there are two causes.
A.
why it does
B.
what it does
C.
what it is
D.
why it is
【简答题】When I try to understand ________ that prs so many Americans from being as happy as one might expect, it seems to me that there are two causes. A) why it does B) what it does C) what it is D) why...
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