单项选择题氨基糖苷类抗生素的主要不良反应是损伤软骨组织（ ）。 A、正确 B、错误
多项选择题Author often uses both _____ and _____ to convey information about their characters.A.the known factB.Direct CharacterizationC.imagined anecdotesD.Indirect Characterization
