问题2:顶点在原点、焦点在坐标轴上且经过点(3,2)的抛物线的条数有

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问题:

问题2:顶点在原点、焦点在坐标轴上且经过点(3,2)的抛物线的条数有        

考点:抛物线的定义
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我国宋代著名学者()曾指出:“读书有疑,所有见,自不容不立论。其不立论者,只是读书不到疑处耳!”

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根据短文内容,将下面五句话还原到文中空白处。

Do you like traveling (旅行)? Almost everyone in the world likes traveling for their holidays.   1   They like to go to the mountains, the beaches or the forests (森林). Others love history.   2   So before going, please plan your holiday.   3   And you have to get much information (信息)about where to go, how to get there, where to stay, and what kind of activities you can do there.    4   It's a new way of spending holidays. That is, you can have the holiday with some of your friends, classmates, and even some strange (陌生的)people.   5   Do you think so?

A.They like to visit some old interesting places.

B.Many people think it is interesting to travel like this.

C.You should decide what kind of vacation you like and how much money you are spending.

D.Some people love nature.E. E. Do you know "Group Holiday"?

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诊断依据是

A.呕吐

B.尿量600ml/天

C.眼球凹陷

D.皮肤干燥

E.血钠128mmol/L

题型:填空题

煤矿安全监察机构责令煤矿关闭矿井的,应当对执行情况随时( )。

A.检查,视整改情况给予行政处罚

B.检查

C.抽查

D.监察

题型:填空题

我国现存最早的论述妇女解剖、生理、病理等的医书是

A.《经效产宝》

B.《内经》

C.《金匮要略》

D.《胎产书》

E.《诸病源候论》

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