试题与答案

心脏病孕妇容易发生心衰的时期是()。 A.妊娠20~22周 B.妊娠24~26周 C

题型:单项选择题

题目:

心脏病孕妇容易发生心衰的时期是()。

A.妊娠20~22周

B.妊娠24~26周

C.妊娠28~30周

D.妊娠32-34周

E.妊娠36~38周

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A解析:从世界范围看,现代意义上的统计法是进入二十世纪后随着统计活动的发展而逐步发展起来的。我国历史上第一部现代意义上的统计法律,是1932年国民政府颁布的《中华民国统计法》,该法于1938年修正公布。

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