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【单选题】

Cai E was elected as the ______ of the Yunnan Military Government.

A.
Chairman
B.
Minister
C.
governor general
D.
Commander
举报
参考答案:
参考解析:
.
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【多选题】Which of the following statements is true about fetal development in ten-month pregnancy?

A.
The implantation site of the fertilized egg is in the endometrium
B.
The amniotic fluid volume is about 1000-1500 ml
C.
Most medication cannot pass through the placenta
D.
The fetus gains the most weight from 8 to 9 months pregnant

【多选题】The teratogenic factors of the fetus include()

A.
biological teratogenic factors - viruses
B.
teratogenic chemicals
C.
physical teratogenic factors - radiation, mechanical pressure
D.
teratogenic drugs- antitumor medications, streptomycin

【多选题】The functions of the normal placenta include ()

A.
Immune function
B.
Synthetic function
C.
Defense function
D.
Substance exchange function