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【单选题】
下列关于氯霉素的说法,错误的是( )A.
含有两个手性碳原子，有四个旋光异构体
B.
仅1R,2S异构体有抗菌活性
C.
分子中硝基可还伯氨基
D.
临床上主要用于治疗伤寒、副伤寒和斑疹伤寒
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举一反三
【单选题】What is the study about?
A.
Reaction times for drivers drinking alcohol in comparison with those of nondrinkers
B.
The effects of drinking beer as compared with those of drinking gin and tonic
C.
The time that it takes to stop a car going 35 miles per hour when the brakes are applied
D.
The problems of riding bicycles on college campuses that have 35 mile-per-hour speed limits
【单选题】患者男性,34岁,经口气管插管,口腔ph值中性,护士选用0.02%呋喃西林为患者进行口腔护理的作用是
A.
遇有机物放出氧分子杀菌
B.
改变细菌生长的酸碱环境
C.
清洁口腔，广谱抗菌
D.
防腐生新，促进愈合
E.
使蛋白质凝固变性
【简答题】简述创业者能力素质?
【单选题】His salary as a bus driver is much higher ______
A.
in comparison the salary of a teacher
B.
than a teacher
C.
than that of a teacher
D.
to compare as a teacher
【简答题】请简述创业者的知识与能力素质包括哪些方面?
【简答题】A．An ysis of early presidential elections. B．A comparison of political journals. C．The use of computers in calculating election results. D．The impact of television on recent presidential elections...
【简答题】简述创业者应具备的能力素质?
【单选题】It can be inferred that Booker T. Washington in comparison with W. E. B. Du Bois could be described as all of the following EXCEPT
A.
submissive to the majority
B.
concerned with financial success
C.
versatile in adopting strategies
D.
traditional in preaching industry
E.
respectful of authority
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