对于硫酸庆大霉素说法错误的是:()
A.本药一日剂量不宜单次给药
B.具有耳、肾毒性
C.本药对结核杆菌有效
D.本药作用靶点为细菌体内的核糖体
参考答案:C
— Yao Yuan, a disabled woman, won the National Championships Cup last week.
— My goodness! She ______ a lot of difficulties! [ ]
A. may go through
B. might go through
C. must have gone through
D. ought to have gone through
为以上建立的联系设置参照完整性约束:更新规则为“限制”;删除规则为“级联”;插入规则为“限制”。