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【单选题】
有关"电子信箱"的说法中,以下不正确的是_____.A.
电子信箱实际上是用户硬盘上的一块存储区域
B.
电子信箱实际上是邮件服务器上的一块存储区域
C.
电子信箱地址在全世界范围内是唯一的
D.
电子信箱的"用户名"又被用作"帐号"
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反馈参考答案：
举一反三
【简答题】A．It is cheaper. B．It is safer. C．It is quicker. D．It is readily available.
【简答题】A．It is authentic. B．It is imaginative. C．It is complicated. D．It is dull.
【简答题】A．It is Saturday, B．It is Sunday. C．It is Monday. D．It is Thursday.
【简答题】A．It is big. B．It is small. C．It is poor. D．It is quiet.
【简答题】A.It is one-sided. B.It is objective. C.It is reasonable. D.It is ridiculous.
【单选题】形成垄断的因素包括
A.
独家厂商控制了生产某种商品的全部资源或基本资源的供给
B.
独家厂商拥有生产某种商品的专利权
C.
政府许可的行业
D.
规模经济的要求
E.
以上都对
【简答题】A.It is active. B.It is needful. C.It is wonderful. D.It is beautiful.
【简答题】A It is one-sided.
B It is objective.
C It is reasonable.
D It is ridiculous.A.It is one-sided. B.It is objective. C.It is reasonable. D.It is ridiculous.
【多选题】形成垄断的因素包括
A.
独家厂商控制了生产某种商品的全部资源或基本资源的供给
B.
独家厂商拥有生产某种商品的专利权
C.
政府特许的行业
D.
规模经济的要求
E.
以上都对
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