A.0
B.1
C.2
D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0B.1C.2D.∞
[单选题]A.0.5B.0C.-1D.-2
[单选题]A.不连续B.连续但不可导C.可导且f′(0)=0D.可导且f′(0)=1
[单选题]A.尿激酶静脉点滴B.降血压治疗C.20%甘露醇静脉点滴D.肝素静脉点滴E.扩血管治疗