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【单选题】
认为产生学习迁移的关键是学习者能否从两种活动中概括出共同原理,这种理论指( )A.
相同要素说
B.
概括化理论
C.
关系转换说
D.
形式训练说
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皮皮学刷刷变学霸
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【简答题】A．He was not hungry. B．He had already had his breakfast. C．He was too tired. D．He wanted to sleep a little more.
【单选题】His aunt wanted to have him _______ the radio, but he had had it ________ already.
A.
repair, repair
B.
to repair, repair
C.
repaired, to repair
D.
repair, repaired
【简答题】By the time he was ten,Edison______experiments in chemistry. A．had already done B．already had done C．was already doing D．already did
【单选题】酶活力国际单位的定义是
A.
在最适条件下，每分钟催化1mmol底物反应所需的酶量
B.
在最适条件下，每分钟催化1mmol底物反应所需的酶量
C.
在37℃条件下，每分钟催化1mmol底物反应所需的酶量
D.
在实验室条件下，每秒钟催化1mmol底物反应所需的酶量
E.
在实验室规定条件下，每分钟催化1umol底物反应所需的酶量
【简答题】酶活力国际单位的定义
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