满分5 >
初中数学试题 >
如图,AB是半圆O的直径,点P从点O出发,沿OA--BO的路径运动一周.设OP为...
如图,AB是半圆O的直径,点P从点O出发,沿OA-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/0.png)
-BO的路径运动一周.设OP为s,运动时间为t,则下列图形能大致地刻画s与t之间关系的是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/images1.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/images2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/images3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/images4.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895010_ST/images5.png)
考点分析:
相关试题推荐
如图,在Rt△ABC中,∠C=90°,AB=10,若以点C为圆心,CB长为半径的圆恰好经过AB的中点D,则AC的长等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895009_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895009_ST/0.png)
B.5
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895009_ST/1.png)
D.6
查看答案
如图,在平地上种植树木时,要求株距(相邻两树间的水平距离)为4m.如果在坡度为0.75的山坡上种树,也要求株距为4m,那么相邻两树间的坡面距离为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895008_ST/images0.png)
A.5m
B.6m
C.7m
D.8m
查看答案
将两枚同样大小的硬币放在桌上,固定其中一枚,而另一枚则沿着其边缘滚动一周,这时滚动的硬币滚动了( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895007_ST/images0.png)
A.1圈
B.1.5圈
C.2圈
D.2.5圈
查看答案
如图,给出下列四组条件:
①AB=DE,BC=EF,AC=DF;
②AB=DE,∠B=∠E,BC=EF;
③∠B=∠E,BC=EF,∠C=∠F;
④∠B=∠E,∠C=∠F,AC=DE
其中,能使△ABC≌△DEF的条件共有( )组.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193846804389574/SYS201311011938468043895006_ST/images0.png)
A.1
B.2
C.3
D.4
查看答案
某商场试销一种新款衬衫,一周内销售情况如下表所示:商场经理要了解哪种型号最畅销,则上述数据的统计量中,对商场经理来说最有意义的是( )
型号(厘米) | 38 | 39 | 40 | 41 | 42 | 43 |
数量(件) | 25 | 30 | 36 | 50 | 28 | 8 |
A.平均数
B.众数
C.中位数
D.方差
查看答案