41.“It” is often used to________a baby.
42.
A.mean to
B.stick to
C.point to
D.refer to
答案:D
二尖瓣狭窄大咯血的原因是()
A.肺淤血
B.支气管黏膜微血管破裂
C.肺栓塞
D.支气管静脉曲张破裂
E.支气管动脉破裂
下列各项,属异位妊娠病机实质的是()
A.先天肾气不足
B.后天脾气受损
C.少腹血瘀
D.气滞
E.脉络破损