函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732008_ST/0.png)
的最大值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732008_ST/1.png)
B.e
2C.e
D.e
-1
考点分析:
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![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732007_ST/images0.png)
如图,某几何体的正视图与侧视图都是边长为1的正方形,且体积为
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732007_ST/0.png)
.则该几何体的俯视图可以是( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732007_ST/images2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732007_ST/images3.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732007_ST/images4.png)
D.
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已知向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/0.png)
,且
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/1.png)
∥
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/2.png)
,则tanα=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/3.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/4.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732006_ST/5.png)
D.
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已知圆O:x
2+y
2=4,直线l过点P(1,1),且与直线OP垂直,则直线l的方程为( )
A.x+3y+4=0
B.y-1=0
C.x-y=0
D.x+y-2=0
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如图是一个算法的程序框图,当输入的x值为7时,输出y的结果恰好是-1,则处理框中的关系式是( )
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103101128007173258/SYS201311031011280071732004_ST/images0.png)
A.y=2
-xB.y=x
3C.y=2
xD.y=x+1
查看答案
已知x,y∈R,i为虚数单位,且xi-y=-1+i,则(1+i)
x+y的值为( )
A.2
B.-2i
C.-4
D.2i
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