桡神经损伤可出现在（）。
A.肱骨髁上骨折
B.肱骨中上1/3骨折
C.肱骨干骨折
D.肱骨中下1/3骨折
E.肱骨髁间粉碎性骨折
参考答案：D
关于x的一元二次方程x2-2ax+a2-1=0的两个根均在区间（-2，4）内的必要不充分条件是（ ）
A．a＜-1
B．-1＜a＜3
C．0＜a＜3
D．a＜3
______in health,he insisted on doing the experiment.
A．As he was poor
B．Poor as he was
C．Poor was he
D．Poor he was though
