试题与答案

已知P1(2,-1),P2(0,5)且点P在P1P2的延长线上,|P1P|=2|

题型:选择题

题目:

已知P1(2,-1),P2(0,5)且点P在P1P2的延长线上,|
P1P
|=2|
PP2
|,则点P的坐标为(  )
A.(2,11)B.(
4
3
,3)
C.(
2
3
,3)
D.(-2,11)

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:Within 1 hour after delivery, the fundus should be firm and at the level of the umbilicus. A soft or boggy fundus isn’t contracting well because of such factors as a full bladder or retained pieces of placenta, and places the postpartum client at risk for hemorrhage.

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