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【单选题】
工资率的上升所导致的替代效应系指A.
工作同样长的时间可以得到更多的收入；
B.
工作较短的时间也可以得到同样的收入；
C.
工人宁愿工作更长的时间，用收入带来的享受替代闲暇带来的享受；
D.
以上均对。
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举一反三
【单选题】________, the boy couldn’t enter his house.
A.
Since the key has lost
B.
The key been lost
C.
Lost the key
D.
Having lost the key
【单选题】Icebergs are a favorite subject for photographers because of______produced by the ice.
A.
the remarkably vivid blue
B.
the vivid blue remarkable
C.
remarkably the blue vivid
D.
blue the vivid remarkable
【单选题】the players didn’t have a good rest shouldn’t be all excuse for losing the ．
A.
That
B.
What
C.
Why
D.
Whether
【单选题】Though they lost the , a small but_____crowd cheered as the players came off the court.
A.
desperate
B.
enthusiastic
C.
anxious
D.
critical
【简答题】阅读理解。 Each team has three players. The basketball players (运动员) are running and jumping in the hot sun. Music is all around. In just twelve minutes, the is over. But a new one starts right away (...
【简答题】Our team lost because some players became _________.
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