阴极保护可分为牺牲阳极阴极保护和外加电流阴极保护两种形式。()
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What can we learn about Experimental Error from the interview？
About 24 topics have been dealt with by the interviewee.
B. Scientists can understand the humor better by it.
C. Math puns are often employed in the column.
D. Its opening was due to the interviewee"s suggestion.
呋塞米
A. 磺酰胺类
B. 含氮杂环类
C. 苯氧乙酸类
D. 苯并噻嗪类
E. 醛固酮类
下列关于醋酸地塞米松的叙述正确的是
A. 又名醋酸氟美松
B. 应遮光、密封保存
C. 用氧瓶燃烧法显氟化物的反应
D. 与醇制氢氧化钾试液和硫酸共热即产生乙酸乙酯香味
E. 以上均正确
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