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1、题目9:已知集合A={x|3-3x>0},则下列各式正确的是()

A、 3∈A

B、 1∈A

C、 0∈A

D、 -1∉A

答案:C

高中知识复习题库
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1、题目18:集合{a,b,c}的真子集有( )
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1、题目55:等比数列中,a2=2,a3=16,则公比q为( )
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1、题目61:二次函数y=x2+bx+c的图像的对称轴是x=-2,则有( )
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1、题目16:His English is as () as his Chinese.
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高中知识复习题库

1、题目9:已知集合A={x|3-3x>0},则下列各式正确的是()

A、 3∈A

B、 1∈A

C、 0∈A

D、 -1∉A

答案:C

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A.  told

B.  is told

C.  will tell

D.  was going to tell

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A.  open

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