上肢肌力差,单侧或整个提起步行器有困难者选用()
A.固定型步行器
B.交互型步行器
C.前方有轮型步行器
D.单侧步行器
E.腋窝支持型步行器
参考答案:C
---I felt left out at the party last night.
---Really? __________, you should have said something.
A.If possible
B.If so
C.If necessary
D.If any
管子磨损判废的标准是什么?