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【单选题】
考察运输需求的价格弹性时,如果运价变动1个百分比引起一种运输需求量的变动超过1个百分点,则称该种运输( ),此时,降低运价会()总的运输费用。A.
富有价格弹性；降低
B.
缺乏价格弹性；降低
C.
富有价格弹性；增加
D.
缺乏价格弹性；增加
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【单选题】What does Neil’s father do after Neil has made his performance in a Shakespeare play?
A.
Neil’s father threats to kill him.
B.
Neil’s father fights with Mr. Keating.
C.
Neil’s father blames his wife.
D.
Neil’s father makes Neil drop out of Welton Academy.
【简答题】岩石按风化程度分类可分为未风化、微风化、 、强风化、全风化、 。
【单选题】Why does Neil’s father want Neil to stop acting?
A.
Because he thinks acting is a shameful business.
B.
Because he thinks Neil may fall in love with the actress.
C.
Because he thinks Neil should devote to learning rather than acting.
D.
Because he thinks Neil cheats him in acting.
【简答题】教育最基本的职能是（ ）
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