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【单选题】
可用于各种麻醉方法的局麻药是A.
普鲁卡因
B.
因
C.
因
D.
丁哌卡因
E.
氧化亚氮
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反馈参考答案：
举一反三
【简答题】烷基化反应中常用的烷化剂和烷基化方法有哪些？
【简答题】People in different countries have different ways of doing things. Something that is 1 in one country may be quite impolite in another. In Britain , you mustn't lift your bowl to your 2 when you are h...
【简答题】Perhaps those who have been rendered unhappy by a bad theory may need a better theory to help them to recovery,just as you may need a tonic when you have been ill.
【单选题】Which medicine should you not take when you have a bad cold? ( )
A.
hypertensive medicine
B.
aspirin
C.
Anti-inflammatory drugs
D.
antipyretics
【判断题】When you have a bad cold, you'd better do a lot of sports and eat junk food.
A.
正确
B.
错误
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