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【单选题】
香精中,能够抑制香料的挥发速度,延长留香时间,保持香气持久稳定的香料称为( )。A.
主香剂
B.
和香剂
C.
修饰剂
D.
剂
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【单选题】患者,男性,70岁。慢性咳嗽、咳痰30余年。2天前受凉后出现发热,痰多,气急加剧。半天来精神差,嗜睡。化验:WBC11.6×109(10的9次方)/L,中性粒细胞0.8,动脉血pH7.3,PaCO270mmHg,PaO248mmHg. 患者血气分析的结果最符合的疾病是
A.
脑血管意外
B.
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C.
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D.
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E.
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【单选题】“We create happiness by providing the finest in entertainment for people of all ages, everywhere.”
A.
facebook
B.
Disney
C.
Coca-cola
D.
amazon
E.
Walmart
F.
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