满分5 >
初中数学试题 >
(2006•德州)钟表的轴心到分针针端的长为5cm,那么经过40分钟,分针针端转...
(2006•德州)钟表的轴心到分针针端的长为5cm,那么经过40分钟,分针针端转过的弧长是 cm.
考点分析:
相关试题推荐
(2006•枣庄)从两副拿掉大、小王的扑克牌中,各抽取一张,两张牌都是红桃的概率是
.
查看答案
(2006•莱芜)随着中国综合国力的提升,近年来全球学习汉语的人数不断增加.据报道,2005年海外学习汉语的学生人数已达38 200 000人,用科学记数法表示为
人.(保留3个有效数字)
查看答案
(2006•莱芜)已知点A(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063005_ST/0.png)
,1),B(0,0),C(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063005_ST/1.png)
,0),AE平分∠BAC,交BC于点E,则直线AE对应的函数表达式是( )
A.y=x-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063005_ST/2.png)
B.y=x-2
C.y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063005_ST/3.png)
x-1
D.y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063005_ST/4.png)
x-2
查看答案
(2013•牡丹江)如图所示:边长分别为1和2的两个正方形,其中一边在同一水平线上,小正方形沿该水平线自左向右匀速穿过大正方形,设穿过的时间为t,大正方形内去掉小正方形后的面积为s,那么s与t的大致图象应为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063004_ST/images3.png)
D.
查看答案
(2006•枣庄)由几个小立方体搭成的一个几何体如图
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063003_ST/images0.png)
所示,它的主视图如图
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063003_ST/images1.png)
,那么它的俯视图为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063003_ST/images2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063003_ST/images3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230751154806363/SYS201310212307511548063003_ST/images4.png)
D.
查看答案