关于结核分枝杆菌L型的叙述，错误的是（）
A.菌体膨大
B.大小不等
C.多形性
D.抗酸性减弱或消失
E.致病性增强
参考答案：E
_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
A．Knowing
B．Known
C．To know
D．Know
护理服务质量标准体系
