肝的功能是()
A.主气
B.纳气
C.统血
D.主血
E.藏血
参考答案:E
下列哪一种情况下心脏的排血量增加()
A.动脉瓣狭窄
B.维生素B缺乏
C.动静脉瘘
D.房间隔缺损
E.粘液性水肿
—Is this your violin?
—No. Ask Mary. It must be ________. She's the only one who plays the violin in our class.[ ]
A. mine
B. his
C. hers
D. ours