A:动脉、静脉、毛细血管
B:动脉、毛细血管、静脉
C:静脉、动脉、毛细血管
D:静脉、毛细血管、动脉
我国古代变法在性质上一般有以下几种。其中商鞅变法属于( )
— Can you believe _________ little children can finish the difficult problem in _________ a short time?
— I can't believe it until I see it with my own eyes.