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【简答题】
如图,在平面直角坐标系中,四边形OABC是矩形,OA = 6,AB = 4,直线y =' -' x +3与坐标轴交于D、E。设M是AB的中点,P是线段DE上的动点. (1)求M、D两点的坐标; (2)当P在什么位置时,PA = PB?求出此时P点的坐标; (3)过P作PH⊥BC,垂足为H,当以PM为直径的⊙F与BC相切于点N时,求梯形PMBH的面积.
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【判断题】Under the collection, it is the bank who makes the payment first.
A.
正确
B.
错误
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【单选题】患者,男性,34岁,突然昏迷,颈动脉摸不到搏动,处理时下列哪项是错误的
A.
立即进行胸外心脏按压
B.
心脏按压的同时行口对口人工呼吸
C.
输液及吸氧
D.
静脉给药
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检查心电图确定诊断后再处理
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A.
stay
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give
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bend
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part
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A.
the girl wasn't old enough to understand what her father was doing
B.
the girl would follow the women's example
C.
the girl was too young to learn to paint
D.
the parents didn't want her to be interested in painting
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salesperson
B.
scientist
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doctor
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A.
共有30对
B.
除胸2~11神经前支外,其余脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
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前支均借灰、白交通支与交感干相连
【单选题】关于脊神经哪项描述正确
A.
共有30对
B.
除胸2~11神经前支外,其余各脊神经前支分别交织成丛
C.
后支只含躯体感觉纤维
D.
不管理脊髓被膜
E.
前支均借灰、白交通支与交感干相连
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A.
放大
B.
缩小
C.
不变
D.
不确定
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