满分5 >
初中数学试题 >
(2008•白银)如图,小红和小丽在操场上做游戏,她们先在地上画出一个圆圈,然后...
(2008•白银)如图,小红和小丽在操场上做游戏,她们先在地上画出一个圆圈,然后蒙上眼在一定距离外向圆圈内投小石子,则投一次就正好投到圆圈内是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471010_ST/images0.png)
A.必然事件(必然发生的事件)
B.不可能事件(不可能发生的事件)
C.确定事件(必然发生或不可能发生的事件)
D.不确定事件(随机事件)
考点分析:
相关试题推荐
(2008•临夏州)2008年在北京举办的第29届奥运会的火炬传递在各方面都是创记录的:火炬境外传递城市19个,境内传递城市和地区116个,传递距离为137万公里,火炬手的总数达到21 780人.用科学记数法表示21 780为( )
A.2.178×10
5B.2.178×10
4C.21.78×10
3D.217.8×10
2
查看答案
(2008•临夏州)如图,一个碗摆放在桌面上,则它的俯视图是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471008_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471008_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471008_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471008_ST/images3.png)
D.
查看答案
(2010•广安)由四个相同的小正方体堆成的物体如图所示,它的俯视图是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471007_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471007_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471007_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471007_ST/images3.png)
D.
查看答案
(2010•贵港)如图是一个由相同小正方体搭成的几何体俯视图,小正方形中的数字表示在该位置上的小正方体的个数,则这个几何体的主视图是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471006_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471006_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471006_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471006_ST/images3.png)
D.
查看答案
(2008•宁德)如图所示零件的左视图是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471005_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471005_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471005_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230821942547128/SYS201310212308219425471005_ST/images3.png)
D.
查看答案