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【判断题】
霍夫曼消除较少用于制备烯烃,常用于推测胺的结构。( )
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】Don’t worry. There’s _________ time left.
A.
little
B.
a few
C.
few
D.
a little
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【单选题】After 10 o'clock in the evening the small town ______.
A.
be still busy for the next day's business
B.
becomes no longer quiet
C.
becomes more beautiful
D.
stops its business hours
查看完整题目与答案
【单选题】Don't worry. There's still ________ time to go.
A.
little
B.
a little
C.
few
D.
a few
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【简答题】最近,天气忽冷忽热。
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【简答题】写出下列常见数列的一个通项公式,使它的前4项分别是以下各数: (1)2,4,6,8,... (2)1,3,5,7,... (3)1,2,4,8,... (4)1,4,9,16,... (5)1, , , ,...
查看完整题目与答案
【单选题】— John, don’t waste any time and there’s only 25 minutes left before the train leaves. — Don’t worry, mum. I think I can ______ it.
A.
manage
B.
make
C.
do
D.
achieve
查看完整题目与答案
【单选题】-I got an A in Physics. -( ).
A.
Don't worry about it
B.
Congratulations! That's a difficult course
C.
You are very good
D.
Good luck to you!
查看完整题目与答案
【单选题】______________ worry! [ ]
A.
No
B.
Not
C.
Don't
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【单选题】In the evening the General Manager gave a banquet at the International Hotel ______ the foreign guests. [ ]
A.
in honor of
B.
in place of
C.
in face of
D.
in favor of
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【单选题】In the evening the car broke down suddenly and the heavy rain the helplessness of the girl driver on the country road.
A.
resulted from
B.
made up
C.
turned out
D.
added to
查看完整题目与答案
相关题目:
【单选题】Don’t worry. There’s _________ time left.
A.
little
B.
a few
C.
few
D.
a little
查看完整题目与答案
【单选题】After 10 o'clock in the evening the small town ______.
A.
be still busy for the next day's business
B.
becomes no longer quiet
C.
becomes more beautiful
D.
stops its business hours
查看完整题目与答案
【单选题】Don't worry. There's still ________ time to go.
A.
little
B.
a little
C.
few
D.
a few
查看完整题目与答案
【简答题】最近,天气忽冷忽热。
查看完整题目与答案
【简答题】写出下列常见数列的一个通项公式,使它的前4项分别是以下各数: (1)2,4,6,8,... (2)1,3,5,7,... (3)1,2,4,8,... (4)1,4,9,16,... (5)1, , , ,...
查看完整题目与答案
【单选题】— John, don’t waste any time and there’s only 25 minutes left before the train leaves. — Don’t worry, mum. I think I can ______ it.
A.
manage
B.
make
C.
do
D.
achieve
查看完整题目与答案
【单选题】-I got an A in Physics. -( ).
A.
Don't worry about it
B.
Congratulations! That's a difficult course
C.
You are very good
D.
Good luck to you!
查看完整题目与答案
【单选题】______________ worry! [ ]
A.
No
B.
Not
C.
Don't
查看完整题目与答案
【单选题】In the evening the General Manager gave a banquet at the International Hotel ______ the foreign guests. [ ]
A.
in honor of
B.
in place of
C.
in face of
D.
in favor of
查看完整题目与答案
【单选题】In the evening the car broke down suddenly and the heavy rain the helplessness of the girl driver on the country road.
A.
resulted from
B.
made up
C.
turned out
D.
added to
查看完整题目与答案
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