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题目列表(包括答案和解析)

如图,抛物线与x轴交于A,B两点,点B坐标为(3,0)顶点P的坐标为(1,-4),以AB为直径作圆,圆心为D,过P向右侧作⊙D的切线,切点为C.

【小题1】求抛物线的解析式
【小题2】请通过计算判断抛物线是否经过点C;
【小题3】设M,N 分别为x轴,y轴上的两个动点,当四边形PNMC的周长最小时,请直接写出M,N两点的坐标.

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【小题1】The robbers jump out of the car and run away ________ (迅速地).
【小题2】We stop __________ (说话) when our English teacher come into the classroom.
【小题3】He tries to escape from the place but ____________ (失败)。
【小题4】Susan and her sister live on the ____________ (九) floor.
【小题5】The students in Class1 are ________(准备) for a camp.
【小题6】children like Halloween because they can knock at their ________ (邻居) doors.
【小题7】Neil is________________ (到达)on the thirteenth of May.
【小题8】Would you like to live in a _________ [’m?d?n]town?
【小题9】___________ [’s?dnli] , he pushes the door open and comes in.
【小题10】She says she likes ___________[’west?n]music best.

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1.The robbers jump out of the car and run away ________ (迅速地).

2.We stop __________ (说话) when our English teacher come into the classroom.

3.He tries to escape from the place but ____________ (失败)。

4.Susan and her sister live on the ____________ (九) floor.

5.The students in Class1 are ________(准备) for a camp.

6.children like Halloween because they can knock at their ________ (邻居) doors.

7.Neil is________________ (到达)on the thirteenth of May.

8.Would you like to live in a _________ ['m?d?n]town?

9.___________ ['s?dnli] , he pushes the door open and comes in.

10.She says she likes ___________['west?n]music best.

 

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对大于或等于2的自然数m的n次方幂有如下分解方式:
22=1+3  32=1+3+5   42=1+3+5+7
23=3+5  33=7+9+11   43=13+15+17+19
根据上述分解规律,则52=__________________;
若m3(m∈N*)的分解中最小的数是21,则m的值为______

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小题1:The robbers jump out of the car and run away ________ (迅速地).
小题2:We stop __________ (说话) when our English teacher come into the classroom.
小题3:He tries to escape from the place but ____________ (失败)。
小题4:Susan and her sister live on the ____________ (九) floor.
小题5:The students in Class1 are ________(准备) for a camp.
小题6:children like Halloween because they can knock at their ________ (邻居) doors.
小题7:Neil is________________ (到达)on the thirteenth of May.
小题8:Would you like to live in a _________ [’m?d?n]town?
小题9:___________ [’s?dnli] , he pushes the door open and comes in.
小题10:She says she likes ___________[’west?n]music best.

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