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【单选题】
下列有关抗菌药物的排泄的叙述中，哪一项是错误的（）A.
经粪便排泄的抗生素主要为大环内酯类、四环素类、利福平，口服使用的氨基糖甙类和万古霉素
B.
氨基糖甙类和头孢菌素可经血液透析消除大部分，故透析后1次剂量或半量
C.
氨基糖甙类在碱性尿中作用较强，四环素类在酸性尿中作用较强
D.
头孢哌酮、头孢曲松、哌拉西林在胆汁中浓度较低，不宜用于胆道感染的治疗
E.
大多数药物自肾排泄，仅两性霉素在尿中浓度较低
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A.
be not I
B.
am not I
C.
aren't I
D.
isn't I
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A.
． curious
B.
． nervous
C.
． mysterious
D.
． sad
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A.
crab
B.
eagle
C.
feather
D.
insect
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A.
0.3
B.
0.6
C.
0.9
D.
3.6
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【单选题】_______conscious of my moral obligations as a citizen.
A.
I was and always will be
B.
I have to be and always will be
C.
I had been and always will be
D.
I have been and always will be
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