肱骨中下1/3骨折，最易发生的并发症是
A．肱动脉损伤
B．正中神经损伤
C．尺神经损伤
D．桡神经损伤
E．肱二头肌断裂伤
参考答案：D
—How do you go to school?
—My home is next to the school, so I usually _________ to school. [ ]
A. walk
B. take a bus
C. ride a bike
D. take a taxi
氮水预冷器的工作原理？
