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【判断题】
卤烷脱卤化氢时，氢原子总是从含氢较少的β-碳原子上脱去，符合扎伊采夫规则。A.
正确
B.
错误
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举一反三
【单选题】Sally contributed a lot to the project, but she never once accepted all the ________ for herself.
A.
attention
B.
focus
C.
award
D.
credit
【简答题】Because once it is accepted, the fact that life is difficult no _____ (long) matters.
【单选题】The suggestion that we ________ at once was accepted by everyone.
A.
would to
B.
ought to go
C.
go
D.
went
【判断题】“音乐能激发或抚慰人的感情,绘画使人赏心悦目,诗歌能动人心弦,哲学使人聪慧,科学可以改善人的生活,而数学能做到所有这一切。”这是数学家M.克莱因说的。()
A.
正确
B.
错误
【单选题】Sam never once accepted all the ____ for himself although he contributed a lot to the campaign
A.
credit
B.
attention
C.
focus
D.
award
【单选题】Once accepted, and having _____ the intense online course registration at 3 a.m. my local time, I was on my way across the globe. ____ man
A.
survived
B.
embraced
C.
crossed
D.
struggled
【单选题】Once the port has been named and accepted by，or on behalf of，the Shipowner，he can not afterwards refuse to go ______ on the ground that it is not safe．
A.
where
B.
there
C.
which
D.
that
【单选题】Sally contributed a lot to the project, but she never once accepted all the______for herself.
A.
credit
B.
attention
C.
focus
D.
award
【单选题】Sally contributed a lot to the project, but she never once accepted all the_________
A.
[A]credit
B.
[B]attention
C.
[C]focus
D.
[D]award
【单选题】音乐能激发或抚慰人的感情,绘画使人赏心悦目,诗歌能动人心弦,哲学使人聪慧,科学可以改善生活,而数学能做到所有这一切。这句话语出自( A )
A.
M` 克莱因
B.
柯西
C.
笛卡尔
D.
哥德尔
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