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【判断题】
阳离子聚合中,反离子体积大和被束缚的不紧,有利于增长活性中心的活性增大。A.
正确
B.
错误
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举一反三
【单选题】The ________ of the dinner party was disappointed at the small number of guests who attended.
A.
host
B.
honor
C.
horizon
【简答题】The dinner party was disappointed at the small number of guests who attended
【简答题】The ______ of the dinner party was disappointed at the small number of guests who attended． 晚宴的主人看到只有少数客人出席感觉很失望。
【单选题】The dinner party was a success, but we thought it was a pity not ________you.
A.
invite
B.
to invite
C.
inviting
D.
to have invited
【简答题】The () of the dinner party was disappointed at the small number of guests who attended.
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