
A.7~8小时
B.0.5~1.0小时
C.5~6小时
D.3~4小时
E.12~24小时
[单选题]A.7~8小时B.0.5~1.0小时C.5~6小时D.3~4小时E.12~24小时
[单选题]A.90%左右B.30%左右C.75%左右D.50%左右E.接近100%
[单选题]A.(0,0,1/2)B.(0,0,1/4)C.(0,0,2/3)D.(0,0,3/4)
[单选题]A.一定连续B.一定不连续C.可能连续,也可能不连续D.无法判断
[单选题]A.(0,0,1/2)B.(0,0,1/4)C.(0,0,2/3)D.(0,0,3/4)
[单选题]A.(0,0,1/2)B.(0,0,1/4)C.(0,0,2/3)D.(0,0,3/4)
[单选题]A.(0,0,1/2)B.(0,0,1/4)C.(0,0,2/3)D.(0,0,3/4)
[单选题]A.单纯扩散B.载体扩散C.经通道扩散D.主动转运