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问题 单项选择题

根据中国电信无线宽带VPDN业务数据配置规范，VPDN业务中，终端用户通过一次拨号，二次认证的方式接入客户VPDN网络，终端用户使用（）方式拨号，通过无线接入网设备BSC/PCF与PDSN发出连接请求。

A.用户名（XXX@域名）

B.用户名/密码

C.匿名

D.自动

答案

参考答案：A

单项选择题

CCTV2007年度十大三农人物特别荣誉大奖：（）中国科学院院士，遗传专家，小麦育种专家。

A.傅光明

B.翟树森

C.李振声
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单项选择题

There were 36,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paperback copy was sold until the last copy of the novel was sold, 9 times as many paperback copies as hardback copies were sold, if a total of 441, 000 copies of the novel were sold in all, how many paperback copies were sold ？（）

A．45,000

B．360,000

C．364,500

D．392,000

E．396,900
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