脱位的早期并发症有（）。
A.骨折
B.关节僵硬
C.骨化性肌炎
D.神经损伤
E.血管损伤
参考答案：A, D, E
The boy asked his father _____. [ ]
A. when would they go to Hong Kong for a holiday
B. who was the television invented by
C. how the life will be like in the year 2100
D. if he could watch TV after finishing his homework
交通警察执行职务时，应当按照规定着装，佩带人民警察标志，持有（）
A、保持警容严整，举止端庄，指挥规范。配枪
B、警棍
C、人民警察证件
D、搜查证
