绒毛吸取术的禁忌证不包括()
A.先兆流产
B.稽留流产
C.无医学指征要求检测胎儿性别者
D.妊娠合并轻度贫血
E.血小板减少症
参考答案:D
脂肪肉瘤包括哪些瘤细胞()
A.黏液样细胞
B.异形性脂肪母细胞
C.梭形细胞
D.圆形细胞
E.多核瘤巨细胞
Mr. White _____ at 8:00 for the meeting, but he didn’t show up. [ ]
A. should have arrived
B. should arrive
C. should have had arrived
D. should be arriving