满分5 >
初中数学试题 >
小明早晨从家里外出晨练,他没有间断地匀速跑了20min后回家.已知小明在整个晨练...
小明早晨从家里外出晨练,他没有间断地匀速跑了20min后回家.已知小明在整个晨练途中,出发t min时所在的位置与家的距离为s km,且s与t之间的函数关系的图象如图中的折线段OA-AB-BC所示,则下列图形中大致可以表示小明晨练路线的为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066009_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066009_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066009_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066009_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066009_ST/images4.png)
考点分析:
相关试题推荐
如图,△ABC的3个顶点都在⊙O上,直径AD=2,∠ABC=30°,则AC的长度是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066008_ST/images0.png)
A.1
B.2
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066008_ST/0.png)
D.
查看答案
下列图形中,一定是轴对称图形的是( )
A.三角形
B.梯形
C.平行四边形
D.线段
查看答案
如图,正方形桌面ABCD,面积为2,铺一块桌布EFGH,点A、B、C、D分别是EF、FG、GH、HE的中点,则桌布EFGH的面积是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066006_ST/images0.png)
A.2
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066006_ST/0.png)
C.4
D.8
查看答案
在数轴上表示±5的两点以及它们之间的所有整数点中,任意取一点P,则P点表示的数大于3的概率是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066005_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066005_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066005_ST/2.png)
D.
查看答案
9的立方根是( )
A.3
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193851288906641/SYS201311011938512889066004_ST/0.png)
C.±3
D.
查看答案