人类在正常情况下，卵细胞内的染色体数目与性染色体的组成应为[ ]
A．22对+YY
B．22对+XX
C．22条+X
D．22条+Y
答案：C
—Mum，may I watch TV this evening?
—______ You have watched it for a whole day.
A．No way!
B．Of course.
C．All right.
D．I don't know.
患者，女，25岁，停经53天，两周前查尿妊娠试验阳性，近3天腰腹疼痛， * * 下血，量少，色淡黯，头晕耳鸣，小便频数，舌淡，苔白，脉沉细滑，治疗首选方剂是：（）
A.寿胎丸
B.胎元饮
C.举元煎
D.加味阿胶汤
E.加味圣愈汤
