-7的绝对值是
,-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912010_ST/0.png)
的倒数是
.
考点分析:
相关试题推荐
如图,在等边△ABC中,点O在AC上,且AO=3,CO=6,点P是AB上一动点,连接OP,将线段OP绕点O逆时针旋转60°得到线段OD.要使点D恰好落在BC上,则AP的长是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912009_ST/images0.png)
A.4
B.5
C.6
D.8
查看答案
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/20131022164346518291243/SYS201310221643465182912008_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/20131022164346518291243/SYS201310221643465182912008_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/20131022164346518291243/SYS201310221643465182912008_ST/images2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912008_ST/images3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912008_ST/images4.png)
D.
查看答案
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( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912007_ST/0.png)
cm
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912007_ST/1.png)
cm
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912007_ST/2.png)
cm
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912007_ST/3.png)
cm
查看答案
若反比例函数y=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912006_ST/0.png)
的图象经过点(-1,2),则这个函数的图象一定经过点( )
A.(-2,-1)
B.(-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912006_ST/1.png)
,2)
C.(2,-1)
D.(
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164346518291243/SYS201310221643465182912006_ST/2.png)
,2)
查看答案
气象台预报“本市明天降水概率是80%”,对此信息,下面的几种说法正确的是( )
A.本市明天将有80%的地区降水
B.本市明天将有80%的时间降水
C.明天肯定下雨
D.明天降水的可能性比较大
查看答案