皮皮学，免费搜题
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搜题
【单选题】
肾小球滤过的动力是( )A.
肾小球毛细血管血压
B.
肾小球有效滤过压
C.
血浆胶体渗透压
D.
囊内压
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】设A，B为两个事件，且已知概率P(A)=0.4，P(B)=0.3，若事件A，B相互独立，则概率P(A+B)=______．
【单选题】According to the passage, elephant can do many things EXCEPT ______.
A.
elephants can help people to drive the invaders out of the country
B.
elephants also have been trained to carry heavy goods through the forests
C.
throughout history, people have prized elephants for their great size and strength
D.
beautifully decorated elephants still play a significant role in traditional religious ceremonies
【简答题】设A，B为两个事件，且已知概率P(A)=0.5，P(B)=0.6， P(B|A)=0.8 ，求： P(A+B)=?
【简答题】设A，B为两个事件，且已知概率P(A)=0.4，P(B)=0.3，若事件A，B互斥，则概率P(A+B)=______．
【简答题】三相交流异步电动机的额定功率是指电机在额定运行时轴上输出的 。
【单选题】Did the experiment find any difference_____ what children have learned? [ ]
A.
in hopes of
B.
in case of
C.
in terms of
D.
in time of
【简答题】设A，B为两个事件，且已知概率P( )=0.7，P(B)=0.6，若事件A，B相互独立，则概率P(AB)=______。
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