试题与答案

股骨长径与腹围比率是多少可诊断非对称性胎儿宫内发育迟缓()A.22 C.24 E.

题型:单项选择题

题目:

股骨长径与腹围比率是多少可诊断非对称性胎儿宫内发育迟缓()

A.<20

B.>22

C.<24

D.>24

E.<22

答案:

参考答案:D

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八年级(3)班决定在自己所生活的社区或村镇做一次社会调查,调查改革开放前后我国居民每年的家庭总收入以及每年的人均收入状况。如果你是该班的一员,请你参与这次调查活动。

(1)你认为这次调查活动的目的是:

                                                                                                                                                              

                                                                                                                                                               

(2)请你为这次调查活动设计一个调查表。

                                                                                                                                                              

(3)从这次调查活动中,你认为可能会获得哪些结论? 

                                                                                                                                                               

                                                                                                                                                                

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