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【判断题】
醛酮与氨及其衍生物发生反应的机理是亲核加成-消除反应。( )A.
正确
B.
错误
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举一反三
【单选题】_____was expected, he broke his promise once more, ______left his friends down.
A.
It; which
B.
As; which
C.
It; as
D.
Which ;which
【单选题】____ was expected, he broke his promise once more, ____ let his parents down. [ ]
A.
It; which
B.
As; which
C.
It; as
D.
Which; which
【简答题】我国《刑法》规定，已满14周岁不满18周岁的人犯罪应当减轻或者免除处罚。（ ）
【简答题】A．It is the best city he's ever visited. B．It was worse than he had expected. C．It is difficult to get around in the city. D．The hotel service is terrible in the city.
【简答题】我国刑法规定，已满14周岁不满18周岁的人犯罪应当减轻或者免除处罚。 ( )
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