单项选择题

关于上腔静脉，描述正确的是（）

A.由左、右锁骨下静脉汇合而成
B.由左、右头臂静脉汇合而成
C.由锁骨下静脉和颈内静脉汇合而成
D.颈外静脉直接注入上腔静脉
E.上腔静脉注入左心房

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多项选择题

大数据的主要特征表现为（）。

A．数据类型多
B．处理速度快
C．数据容量大
D．商业价值高

A CV exists to win you an interview. That’s pretty obvious, right? Actually, not so much. Many people confuse the purpose of a CV, forgetting that it isn’t about getting you a job, but an interview.
The result of this is that they include anything and everything in a CV – all sorts of_2__ information. All this actually does is to make your CV difficult to read, hiding the valuable content. Straight away, your chances of winning that interview just dropped, dramatically.

答案： (1)
E