(10~14题共用备选答案) A .阈剂量 B .效能 C .效价强度 D .治疗量 E .ED 50 10. 引起一群动物中一半阳性反应的量是:( ) 11. 药物常用的剂量是:( ) 12 .药物刚刚引起效应的量是:( ) 13 .最大有效剂量产生的最大效应是:( ) 14 .达到一定效应时所需的剂量是:( )
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【简答题】阅读理解 The story of how the song Happy Birthday to You came to be, began as a sweet one, that lat er soured. Two sisters, Mildred Hill, a teacher at the Louisville, Kentucky Experimental Kindergarten, a...
【单选题】听力原文:W: Are you sure this is the fight way to the laboratory? I can't afford to be late. M: Don't worry. We'll be there in no time. Q: What does the man mean? (17)
【单选题】听力原文:W: Are you sure this is the right way to the laboratory? I can't afford to be late. M: Don't worry. We'll be there in no time. Q: What does the man mean? (17)