临产开始的标志是（）。
A.出现不规律宫缩
B. * * 分泌物增多
C.胎动次数减少
D.宫颈管消失，宫口开大
E.破膜
参考答案：D
.
At least 200,000 people were reported _____ in the ever recorded worst earthquake that struck Haiti last winter.
A．being killed
B．to be killed
C．killing
D．to have been killed
孕妇心搏出量自妊娠10周即开始增加，达到高峰的时间为（）。
A.30～32周
B.32~34周
C.34～36周
D.36～38周
E.38～40周
