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【多选题】
属于联结学习理论的是（）A.
试误说
B.
建构主义说
C.
顿悟说
D.
操作条件作用说
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【简答题】The father often blames his children for not being able to entertain themselves. This is unfair because they ________.
【多选题】Taxes being so high, the descendants of the wealthy class of the 19 th century are being forced to rent out their estates to paying guests.
A.
In the 19 th century, the wealthy class rented out its estates.
B.
Because of high taxes, families that were rich 100 years ago now rent out their estates.
C.
Guests pay high taxes when they rent old estates.
D.
Some families that were once wealthy are having trouble paying their taxes.
E.
High taxes have changed the lives of some of the old wealthy families.
【单选题】FDA suspected Sanofi-Aventis of______.
A.
being unqualified to make drugs
B.
scheming to do the fraud
C.
letting the misconduct go
D.
being unaware of the crime
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