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代放号业务是指代理各基础电信运营商的号码或帐号开户工作，常见的业务品种有移动、联通的手机号入网，电信固定电话及ADSL开户等（）

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完型填空（本大题共 10 小题，每小题 1 分，共 10 分）从选项中选择一个最适合短文的选项，错选、多选或未选均无分。Jogging is becoming one of the _21_ growing activities in the nation. More people are starting jog each year. This, however, is a recent

国内邮件按性质分类，可分为函件和包裹（）

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We _ the lessons _ of last month.

A. finished, in the end
B. had finished, to the end
C. had finished, by the end
D. will finish, at the end