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【单选题】
酰胺的水解，产物为A.
醇+醛
B.
胺+醛
C.
醇+酸
D.
酸+胺
E.
醇+胺
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举一反三
【单选题】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine _____.
A.
slightly less than the line frequency
B.
the same as the line frequency
C.
slightly greater than the line frequency
D.
All of the above
【单选题】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine _____.
A.
slightly less than the line frequency
B.
the same as the line frequency
C.
slightly greater than the line frequency
D.
have nothing to do with the line frequency
【单选题】Prior to closing the breaker when paralleling two AC generators, the recommended practice is to have the frequency of the incoming machine ______. prefix="o" ns="urn:schemas-microsoft-com:office:offic...
A.
have nothing to do with the line frequency
B.
slightly greater than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
the same as the line frequency
D.
slightly less than the line frequency prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
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