多项选择题

逻辑变量的取值1和0可以表示：( )
A、开关的闭合、断开
B、电位的高、低
C、真与假
D、电流的有、无

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单项选择题

“从前有个上了年纪的女人,她住在鞋子里。”
这句话哪句英文表达语法是正确的? A.
There was a old woman who lived in a shoe. B.
There was an old woman who lived in a shoe C.
There was an old womn who live in a shoe.

答案：正确