蒸馏法制备注射用水
A.高温可破坏热原B.热原能溶于水中C.热原具不挥发性D.热原易被吸附E.热原能被强氧化剂破坏 下列处理和操作利用了热原的什么性质
参考答案:C
Though the player is over thirty, he can still run ________ some younger players. [ ]
A. as fast as
B. so fast as
C. much fast than
D. more faster than
对多黏菌素B的描述中错误的是()
A.对多数革兰阴性杆菌有强大杀菌作用
B.对多数革兰阳性杆菌有强大杀菌作用
C.对生长繁殖期和静止期细菌均有效
D.局部用于敏感菌所致眼、耳、皮肤等感染
E.对肾脏毒性较大