下列哪项不属于生理()
A.分娩时的出血约400毫升
B.月经周期在21~35天之间
C.带经期为3~7天
D.产后十二小时可开始哺乳
E.月经初潮年龄不超过18岁
参考答案:A
The escaped prisoner got ________ (arrest) immediately he turned up at the railway station and was sent to prison again.
以下哪一因素是引起股市周期变动的根本原因()
A.经济政策变动
B.投资周期波动
C.经济周期变动
D.对外贸易波动