【单选题】In the process of studying how bacteria cause disease, it was found that a rare mutant of a pathogenic strain failed to form a capsule. Which one of the following statements is the most accurate in re...
A.
It was nonpathogenic primarily because it was easily phagocytized.
B.
It was nonpathogenic primarily because it could not invade tissue.
C.
It was nonpathogenic primarily because it could only grow anaerobically.
D.
It was highly pathogenic because it could secrete larger amounts of exotoxin.
E.
It was highly pathogenic because it could secrete larger amounts of endotoxin.
【多选题】5680t控制卡的功能有( ),实现简单路由协议等功能
【判断题】可路由协议的功能是定义网络层地址在内的各种传输信息。
【单选题】收费员上岗时,操作微机系统,应:按(),按()键入收费员工号,再按()键后,输入收费员()。()
【多选题】路由协议的功能包括下列哪些选项? ( )
【单选题】全国防盲工作的具体任务要求:从( )起“视觉第一中国行动”受援的县医院眼科要主动承担本县防盲治盲的任务,开展白内障年手术量在上一年的基础上递增10%。
【单选题】It was in this wood ____ I found wild strawberries.
【单选题】中医医院的主要任务有:()。 (1)医疗服务 (2)中医药人员培训 (3)中医药临床科研工作 (4)中医药学发扬整理与继承
【单选题】ref关键字使参数按引用传递。它完成的效果是,当值传递回调用方法时,在方法中对参数的任何更改都将反映在该变量中。需要注意的是,ref要求在传递之前( )。