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【判断题】
一种商品的价格为12,其需求量110件,供给量90件,这个价格是 非均衡价格 。A.
正确
B.
错误
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举一反三
【单选题】Lucy was having a holiday with her friend in a national park ____ she was bitten on the foot by a snake.
A.
while
B.
since
C.
once
D.
when
【单选题】Independence Day is _______ national holiday in the States --- all government employees get _______ day off.
A.
the; the
B.
a; /
C.
a; the
D.
/; the
【单选题】During _____ National Day holiday, I received _____ endless messages from interested partners but none were suitable. [ ]
A.
the; the
B.
the; an
C.
/; the
D.
the; /
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