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【判断题】
阳离子表面活性剂一般不和阴离子表面活性剂配伍。A.
正确
B.
错误
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举一反三
【单选题】What is the author's attitude towards the idea that 'profit opportunities are rare'?
A.
Doubtful.
B.
Cautious.
C.
Consenting.
D.
Ironic.
【单选题】What's Howell's reaction to the study's recommendations?
A.
He is in favor of them.
B.
He doubts about them.
C.
He is strongly critical of them.
D.
He is indifferent to them.
【简答题】Suppose the earth’S temperature rose’by 3 degrees， ．
【简答题】植物的顶芽的生长具有明显的( )
【单选题】_____ playing dumb with teachers. They know very well their students.
A.
It’s no use
B.
There is no doubt
C.
It’s no wonder
D.
There is no need
【单选题】_______ playing dumb with teachers．They know very well their students.
A.
It’s no use
B.
There’s no doubt
C.
It’s no wonder
D.
There’s no need
【单选题】—I suppose the young beautiful actress is about 20 years old. — ________ ! She is still a college student.
A.
You guess it
B.
You guessed it
C.
You have it guessed
D.
You’re guessing it
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