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【简答题】
简述接触性抑制和密度抑制的概念
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举一反三
【单选题】Why did the narrating rat argue with his dad?
A.
His dad made him undertake too many tasks.
B.
He and his father had different views on food.
C.
The food his dad had left him was not enough.
D.
His dad forced him to steal food from kitchen.
【单选题】--- Who will send you to the new school, your mom, your dad or your uncle? --- _______. I’ll go there by myself.
A.
All
B.
Either
C.
Neither
D.
None
【单选题】A: Did your dad watch TV yesterday evening? B: No, he __________. He went to the cinema.
A.
was
B.
did
C.
wasn't
D.
didn't
【单选题】—Alan, come here. I need your help. —Sorry, Dad. I ________ the dishes now. [ ]
A.
do
B.
did
C.
am doing
D.
was doing
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