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【判断题】
长时间渗析,有利于溶胶的净化与稳定。是不是? ( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】选择正确的答案：Vous êtes allée au cinéma hier soir?
A.
Non, je suis restée à la maison.
B.
Oui, et elle a passé une bonne soirée.
C.
Oui, ous sommes allés chez notre fille.
D.
Nous sommes partis à midi.
【单选题】When the value of the dollar changes from 0.75 pounds to 0.5 pounds, then the pound has
A.
appreciated against the dollar by 33.3%.
B.
depreciated against the dollar by 33.3%.
C.
appreciated against the dollar by 50.0%.
D.
depreciated against the dollar by 50.0%.
【单选题】When the value of the dollar changes from £0.75 to £0.5, then _____________.
A.
the pound has depreciated and the dollar has depreciated.
B.
the pound has depreciated and the dollar has appreciated.
C.
the pound has appreciated and the dollar has depreciated.
D.
the pound has appreciated and the dollar has appreciated.
【单选题】For a______time only, customers will receive a 100-dollar coupon when they purchase a laptop computer.
A.
limit
B.
limits
C.
limited
D.
limitation
【单选题】When the exchange rate for the Mexican peso changes from 8 pesos to the dollar to 10 pesos to the dollar, then
A.
the peso has appreciated against the dollar by 20%.
B.
the peso has appreciated against the dollar by 20%.
C.
the peso has appreciated against the dollar by 25%.
D.
the peso has depreciated against the dollar by 25%.
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