若x=x，
那么有x=x2，即x（x-1）=0
解得x=1或x=0．
故答案为：0或1．
—Why are you still waiting in line? —I've missed my _______. [ ]
A. place
B. order
C. turn
D. time
烧伤后体液渗出速度最快的时间为（）
A.伤后1～2h
B.伤后4～6h
C.伤后6～12h
D.伤后24h
E.伤后48h
