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鉴别不同类型的醇可用试剂，其由组成。

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斐林试剂与醛类化合物反应后的现象是。

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As for the things you need to do in the college, which is not mentioned in the video?

A. Manage your time
B. Choose a right major
C. Lose weight
Do budget

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Why don’t you party too much?

A. Party is a good way for you to get relaxed.
B. It’s possible for you to get addicted to alcohol.
C. Party is a poor choice for college students.
D. Party spends a lot of money.

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填空题目谨定于1月18日（星期五）晚7时在建国西路120号402室举行晚宴，恭请张华先生和夫人人光临。Mr. Sun ZhiweiRequests the pleasure of1)____________’scompany at 2)on 3)_,the 4)_of 5)at 6)_o’ clock 7)at 8) __________

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