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【简答题】7o.mp3: So you are like(2 wds) _____ ______ if we don't change the world?
【单选题】—— You seem to have learned all the English words by heart. _____ .
A.
So l do
B.
So do l
C.
So I have
D.
So have I
【单选题】下列说法正确的是
A.
链状戊烯(C5H10) 有六种构造异构体
B.
烯烃加成卤化氢时,活性次序为,(CH3)2C=C(CH3)2 > (CH3)2C=CHCH3 > (CH3)2C=CH2 > CH3CH=CH2 > CH2=CH2
C.
烯烃在酸催化下加水,可以制备伯醇
D.
烯烃与氯气加成的反应激烈程度大于与氟气加成反应的激烈程度
【单选题】______ snobbish people _______you described are to be found everywhere.
A.
Such, like
B.
So, like
C.
Such, as
D.
So, as
【单选题】分子式为 C 5 H 10 的烯烃 有几种同分 异构体(提示:包括构造异构和立体异构)
A.
5种
B.
6种
C.
7种
D.
8种
【单选题】分子式为 C5H10 的烯烃的异构体有几种(包括构造异构和立体异构):
A.
3 种
B.
4 种
C.
5 种
D.
6 种
【单选题】分子式为 C 5 H 10 的烯烃 有几种同分 异构体(提示:包括构造异构和立体异构)
A.
5种
B.
6种
C.
7种
D.
8种
【单选题】焊接连接制作组装时,搭接长度的允许偏差为()
A.
2㎜
B.
3㎜
C.
4㎜
D.
5㎜
【简答题】Have you ever complained (抱怨) why life is so tiring? Does the sky sometimes dark to you? Are your lessons sometimes not successful? Well, friends, cheer up and all the time. If you see the world with ...
【单选题】- Thank you ever so much for your lovely gift.- ________
A.
Never mind
B.
I'm glad you like it.
C.
Please don't say so.
D.
No, It's not so good.
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