logo - 刷刷题
下载APP
【单选题】

Who was "the number one scholar " in ecomonics in the imperial examination in Yunnan?

A.
Yuan Jiagu
B.
Xu Xiake
C.
Yang Shen
D.
Sun Ran
举报
参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【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