多项选择题

下列属于旧机电产品的有( )。

A．旧打印机
B．旧电饭锅
C．旧钢轨
D．旧船用桌椅
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单项选择题
汉译英：“一式两份；一式三份；一式四份”，正确的翻译为：( )
A. in duplicate; in quadruplicate; in triplicate
B. in quadruplicate; in triplicate; in duplicate
C. in triplicate; in duplicate; in quadruplicate
D. in duplicate; in triplicate; in quadruplicate
单项选择题
Is there any way of ensuring we’ll have enough time( )our talks
A．in
B．on
C．with
D．for
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