Please ______ cross the street. [ ]
A. don't
B. not
C. don't to
D. not to
答案:A
气阴两虚之肺痨最佳选方是
A.补天大造丸B.补肺汤C.保真汤D.参苓白术散
超声显示子宫腔内双层蜕膜囊(双蜕膜征),有力提示()。
A.异位妊娠
B.宫内妊娠
C.卵黄囊
D.流产
E.胎儿死亡