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【单选题】
Which of the following statements is correct about the characteristics of menstruation?
A.
Ovulation occurs on the 14th day after menstruation
B.
Ovulation occurs 14 days before the next menstruation
C.
Menstruation only occurs when there is ovulation
D.
Basal body temperature during menstrual period drops
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【单选题】Who w as a Communist Party general from Yunnan?
A.
Ai Siqi
B.
Li Genyuan
C.
Cai E
D.
Luo Binhui
【单选题】Professor Wen Yiduo worked in the ______ after the War Against the Japanese broke out.
A.
Qinghuang University
B.
Qingdao University
C.
The Sounthwest Associated University
D.
Beijing Art College
【单选题】The the physical reaction in early pregnancy peaks at 10-12 weeks, and disappears at（）pregnant
A.
14 weeks
B.
15 weeks
C.
16 weeks
D.
18 weeks