皮皮学，免费搜题
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【单选题】
机体对药物的敏感性降低的是（）A.
治疗作用
B.
不良反应
C.
副作用
D.
毒性反应
E.
耐受性
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】已知液压缸的活塞有效面积为 A,运动速度为v,有效负载为F L ,供给液压缸的流量为 q,压力为p。液压缸的总泄漏量为Δq,总摩檫阻力为F f 。试根据液压马达的容积效率和机械效率的定义,分析液压缸的容积效率和机械效率。
【单选题】2 According to the survey, what jobs are available to those dropouts?
A.
Jobs that are very erous.
B.
Jobs that are low-paying and boring.
C.
Jobs that have little chance of success.
D.
Jobs that require long working hours.
【简答题】Although most young people in their late s live with their parents and are still in school, many are working and learning about the responsibilities and rewards of paid employment. Most employed t...
【单选题】2 According to the survey, what jobs are available to those dropouts? A. Jobs that are very erous. B. Jobs that are low-paying and boring. C. Jobs that have little chance of success. D. Jobs that ...
A.
B.
C.
D.
D
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