皮皮学，免费搜题
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搜题
【简答题】
根据所听的内容，选择正确答案，每段对话读两遍。 1. When does Jacky run? A. In the morning. B. In the afternoon. C. In the evening. 2. What did Tom help his parents to do last weekend? A. To clean the yard. B. To clean the car. C. To clean the house. 3. Where can the man smoke? A. Over there. B. Just here. C. Anywhere. 4. How did Mrs Sun like the journey? A. Interesting. B. Exciting. C. Awful. 5. Who won the first prize in the English speech competition? A. Rose and John. B. John and Mike. C. Rose and Mike. 6.What's the time? A. 10:30 B. 10:25 C. 10:35
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皮皮学刷刷变学霸
举一反三
【单选题】有关效能和效价的正确叙述是:
A.
．效能指某药的最大效应，它与效价成正比
B.
．效价指某药的最大效应，它与效能成正比
C.
．效能指某药的最大效应，它与效价成反比
D.
．效价是用产生等同效应的不同药物间所用剂量的大小来衡量的
E.
．效能是指药物作用的维持时间