Mrs. Green didn't know both shoes were for the right foot until ______.
A.she came lack from dinner
B.she took them back
C.she called the shoemaker
D.she wanted to wear them
第2题
有关氨基苷类抗生素肾毒性描述不正确的是
A、与抗生素在肾蓄积有关
B、主要影响肾小管上皮细胞
C、新霉素的毒性最大
D、链霉素的毒性小
E、可与多黏菌素同时使用
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