当x=2时，代数式ax3+bx+1的值为3，那么当x=﹣2时，代数式ax3+bx+1的值是 [ ]
A．1
B．﹣1
C．3
D．2
答案：B
When and where to build the factory ___ yet. [ ]
A. is not decided
B. are not decided
C. has not decided
D. have not decided
到达某一游览点后，有个别旅游者希望不按规定的线路游览而希望自由游览或摄影时，若环境许可，可满足其要求。()
A．正确
B．错误
