三角形的两边长分别为3米和6米,第三边的长是方程x2-6x+8=0的一个根,则这个三角形的周长为 [ ]
A.11
B.11或13
C.13
D.12
答案:C
Five passengers were _____ in the traffic accident and they have all been taken to the nearest hospital.
A.injured
B.damaged
C.destroy
D.ruined
INMARSAT-C站发AMVER时,业务代码为:()
A.33
B.36
C.37
D.43