题目内容

O2O commerce companies tracks conversion using things like cookies and pixels.

A. 对
B. 错

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Groupon is a successful example of offline commerce being driven by an online storefront and transaction engine.

A. 对
B. 错

One of the tents of O2O commerce is that performance is readily quantifiable.

A. 对
B. 错

长期血压增高容易引起哪些脏器的并发症

A. 心、肝、肾
B. 心、脑、肾
C. 心、肝、肺
D. 肺、肝、肾
E. 肝、脑、肾

在高血压的治疗中，钠摄人应限制

A. 每日食盐摄人量为12g左右
B. 每日食盐摄人量为10g左右
C. 每日食盐摄人量为8g左右
D. 每日食盐摄人量为5g左右
E. 每日食盐摄入量为1g左右