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【单选题】
按照奥的观点，认知结构有广义和狭义之分.广义的认知结构是指个体的观念的全部内容和组织;狭义的认知结构是个体关于特殊知识领域的观念的内容和组织。原有的认知结构是学习者的学习得以发生与保持的关键因素.()A.
完全正确
B.
完全错误
C.
无错误，但不完备
D.
部分错误
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【单选题】—Tom looks very sad. What’s wrong _______ him? —An accident happened _______ his father this morning.
A.
to; with
B.
with; to
C.
for; to
D.
with; for
【简答题】I will give you his l______________(座机)number.
【简答题】某放大电路的电压放大倍数为1000倍,相当于____ dB;电压放大倍数为100倍,相当于____ dB。
【简答题】One day, little Roy was ill. So his mother took him to the clinic( 诊所 ). A doctor examined him and said : “ Well, boy, there is something wrong with you. I am afraid you need to get injections ( 输液 ) ...
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