第5题: [单项选择]拮抗参数(pA2)的定义是() A. 使激动药效应增加一倍时的拮抗药浓度的负对数 B. 使激动药效应减弱至零时的拮抗药浓度的负对数 C. 使加倍浓度的激动药仍保持原有效应强度的拮抗药浓度的负对数 D. 使激动药效应减弱一半时的拮抗药浓度的负对数 E. 使加倍浓度的拮抗药仍保持原有效应强度的激动药浓度的负对数 参考答案:C
第12题: [简答题]Good management can help the organization achieve its desired results. This is particularly true of the management of an organization full of scientists and research workers. What is your idea about a good management or a good manager of such a group of people 参考答案: 答案解析:Good management can help the organization achieve its desired results
Nowadays, people are