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【判断题】
不回复老师发出的活动老师不会知道A.
正确
B.
错误
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【单选题】He got very angry but many of us thought there was no reason . [ ]
A.
to be
B.
to being
C.
being
【单选题】There was no reason for such people to feel threatened by the initial incursions of modernity...
A.
Nothing could make such people fearful of the early changes brought about by modernization...
B.
Such people have no reason not to worry about the threat to their traditional life by modernity...
【单选题】There was no reason ______ the meeting yesterday.
A.
for your not attending
B.
for your not to attend
C.
for your not attend
D.
for you to not attend
【单选题】There was no reason for such people to feel threatened by the initial incursions of modernity ... (Para. 12)
A.
Nothing could make such people fearful of the early changes brought about by modernization …
B.
Such people have no reason not to worry about the threat to their traditional life by modernity ...
【单选题】盐酸麻黄碱的立体结构为A．(1R，2S)()B．(1S，2S)一()C．(1R，2R)()D．(1S，2R)()E．(1R，2R)()
A.
盐酸麻黄碱的立体结构为 A．(1R，2S)-(-)
B.
(1S，2S)一(+)
C.
(1R，2R)-(-)
D.
(1S，2R)-(+)
E.
(1R，2R)-(+)
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