属于不稳定性骨折的是：（）。
A.嵌插骨折
B.螺旋骨折
C.多段骨折
D.斜形骨折
E.粉碎骨折
参考答案：D
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
红鱼子
