桡骨干骨折多发生于（）。
A.上1/3
B.中1/3
C.下1/3
D.中上1/3交界处
E.中下1/3交界处
参考答案：E
The couple some money every month for their children even though their income can only make ends meet.
A．put off
B．put up
C．set down
D．set aside
岗位责任制规定，完成本岗位（）任务。
A.生产
B.卫生
C.开会
D.临时
