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【单选题】
货币在发挥()职能时,可以用观念上的货币A.
流通手段
B.
价值尺度
C.
支付手段
D.
贮藏手段
手机使用
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反馈参考答案：
举一反三
【单选题】That's too expensive, I'll ______. [ ]
A.
think about it
B.
think of it
C.
think over it
D.
think it about
【简答题】阅读理解。 At the shopping mall, you probably think about spending, not saving. Think about all the lights that keep the mall bright. Think about all the water faucets (水龙头) in the toilet. Think about all ...
【简答题】铸坯皮下气泡产生的原因是什么？
【单选题】Air Pollution When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist insid...
A.
Y
B.
N
C.
NG
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