— Is that a pencil-box?
— No, __________.[ ]
A. it is
B. it isn't
C. is
D. It's
答案:B
停止清洁导尿的指证是残余尿少于()
A.80~100ml
B.100~120ml
C.120~150ml
D.150~180ml
E.180~200ml
成人每日分泌胆汁约为()
A.400~600ml
B.600~800ml
C.800~1200ml
D.1200~1400ml
E.1500ml以上