女,25岁。结婚2个月,月经规律B超检查见宫内 一强回声光条,最可能的诊断
A.妊娠囊
B.子宫肌瘤
C.子宫肿瘤
D.宫颈内膜癌
E.宫内节育器
参考答案:E
He ran as fast as he could _____ to catch the early bus.
A.to hope
B.hope
C.hoping
D.Hoped
充满底层的连通孔隙,形成一个连续水系,在压力差作用下可流动的水称为自由水。