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【简答题】
什么是机械零件的设计准则?机械零件的主要设计准则有哪些?
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反馈参考答案：
举一反三
【单选题】Few Asian-American students major in human sciences mainly because ________.
A.
their English is not good enough
B.
they are afraid they might meet with unfair judgement in these areas
C.
there is a wide difference between Asian and Western cultures
D.
they know little about American cultures and Western cultures
【简答题】教材41页,习题2-1,第一题;教材48页,第3题第四题。
【单选题】Few Asian-American students major in human sciences mainly because ________.
A.
their English is not good enough
B.
they are afraid they might meet with unfair judgement in these areas
C.
there is a wide difference between Asian and Western cultures
D.
they know little about American cultures and Western cultures
【单选题】Few Asian-American students major in human sciences mainly because ______.
A.
they don't like human sciences
B.
they are afraid they might meet with unfair judgment in these areas
C.
there is a wide difference between Asian and Western cultures
D.
they know little about American cultures and Western cultures
【单选题】关于食管癌术前护理措施错误的是
A.
术前应纠正营养不良
B.
食管手术,无须戒烟
C.
每日刷牙、漱口,保持口腔清洁
D.
嘱病人术前练习深呼吸
E.
教会病人有效咳痰方法
【单选题】下列关于丙酸氟替卡松吸入气雾剂的使用方法和注意事项，错误的是( )
A.
使用前需摇匀储药罐，使药物充分混合
B.
使用时用嘴唇包饶住吸入器口，缓慢吸气并同时按动气阀给药
C.
丙酸氟替卡松吸入结束后不能漱口和刷牙
D.
吸入气雾剂常用特殊的耐压给药装置，需避光、避热，防止爆炸
E.
吸入气雾剂中常使用抛射剂，在常压下沸点低于室温，需安全保管(2016年药学专业知识(一)真题)
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