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【单选题】
关于盐酸普鲁卡因的性质正确的是A.
结构中有芳伯氨基，易氧化变色
B.
不易水解
C.
本品最稳定的pH是7.0
D.
对紫外线和重金属稳定
E.
为达到最好灭菌效果，可延长灭菌时间
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A.
正确
B.
错误
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A.
√
B.
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【简答题】Passage One Questions 46 to 50 are based on the following passage. In the classic marriage vow ( 誓约 ) , couples promise to stay together in sickness and in health. But a new study finds that the risk ...
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