肱骨髁上骨折常并发（）。
A.缺血性肌挛缩
B.压疮
C.膀胱 * * 损伤
D.周围神经损伤
E.缺血性骨坏死
参考答案：A
This summer holiday I did an English course which ________ for four weeks. [ ]
A. lasts
B. lasted
C. was lasted
D. were lasted
安装人工心脏起搏器的病人应远离的家电是（）
A.电风扇
B.微波炉
C.电脑
D.电话
E.洗衣机
