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举一反三
【多选题】2017年7月离网预警客户对像是什么？（）
A.
离网预警目标客户，以NGBOSS目标客户鉴权提示为准。
B.
客户如未完成实名制身份确认，需先完成实名制身份确认
C.
无须更换4GUSIM卡
D.
如未更换4GUSIM卡的，需先更为4GUSIM卡。
【单选题】Scholars and students have always been great travelers. The official case for "academic mobility" is now often stated in impressive terms as a fundamental necessity for economic and social progress in...
A.
salaries and conditions are better abroad
B.
standards are higher at foreign universities
C.
they are eager for new knowledge
D.
their governments encourage them to travel