一辆电动小车由静止开始沿直线运动，其v-t图象如图所示，则汽车在0～1s和1s～3s两段时间内（　　）

A．运动方向相反

B．位移相同

C．加速度相同

D．平均速度相同

Had the US Airways captain not guided his jet to a safe landing on the Hudson River, just west of New York, over 100 people aboard ______, along with many more on the ground.

A．might have died

B．needn’t have died

C．must die

D．shouldn’t die