列车在下坡启动时司机应如何操作?
参考答案:
应充分缓解列车制动,待制动管压力达到0.6Mpa后,缓解机车制动并做好电制动的准备工作。
Not only his parents but also his sister ________ the museum.
A. are going to B. is going to c. are going D. is going
患者男,60岁,因“双足趾端麻木6年”来诊。糖尿病病史20年。查体:消瘦,双手骨间肌萎缩,肌力Ⅳ级,病理反射(-)。
最可能的诊断是()
A.运动系统改变与糖尿病无关
B.糖尿病微血管病变
C.糖尿病自主神经病变
D.糖尿病并发脑血管意外
E.糖尿病周围神经病变