与细菌耐药性有关是 ( )
A.Mrna
B.核蛋白体
C.质粒
D.异染颗粒
E.性菌毛
参考答案:C
—What a fine day, isn’t it— .
A.Is that so
B.I like the weather
C.Yes, isn’t it
D.But it’s not
肌皮神经损伤时表现为()
A、前臂屈动
B、肱二头肌瘫痪
C、上臂前群肌萎缩
D、肱三头肌萎缩