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【判断题】
对估计有争议的问题,一般应放在谈判最后谈。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Never before in our country_____.
A.
has such a thing happened
B.
such a thing has happened
C.
has so a thing has happened
D.
so a thing has happened
【简答题】求证下图电路是一恒流源电路，且电路中的负载电流
【单选题】I was ______ to find his article on such an ______ topic so ______.
A.
surprised…excited…bored
B.
surprising…exciting…boring
C.
surprised…exciting…boring
D.
surprising…excited…bored
【单选题】The book was so (bored) that I (returned) it (to the library) without (finishing) it.
A.
bored
B.
returned
C.
to the library
D.
finishing
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