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【多选题】
下列有关亲和力的描述,正确的是A.
亲和力是药物与受体结合的能力
B.
亲和力是药物与受体结合后引起效应的能力
C.
亲和力越大，则药物效价强度越强
D.
亲和力越大，则药物效能越强
E.
亲和力越大，则药物作用维持时间越长
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【简答题】试举例说明活体寄生与死体寄生的病原物有哪些不同的致病特点？
【简答题】（1）称为行车闭塞法，简称闭塞A. 为确保列车在区间运行安全而采取一定措施的方法
【简答题】试举例说明活体寄生与死体寄生的病原物有哪些不同的致病特点?
【判断题】Torque is the term used to describe a rotating force that must be result in motion.
A.
正确
B.
错误
【判断题】The net force applied on a system of particles will result in acceleration of COM of the system, and .
A.
正确
B.
错误
【简答题】试举例说明活体寄生与死体寄生的病原物有哪些不同的致病特点?
【单选题】A woman exerts a constant horizontal force on a large box. As a result, the box moves across a horizontal floor at a constant speed vo. The constant horizontal force applied by the woman
A.
has the same magnitude as the weight of the box
B.
is greater than the weight of the box.
C.
has the same magnitude as the total force that resists the motion of the box
D.
is greater than the total force that resists the motion of the box
E.
is greater than either the weight of the box or the total force that resists its motion.
相关题目：
【判断题】Torque is the term used to describe a rotating force that must be result in motion.
A.
正确
B.
错误
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