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1、题目17:不等式8-x2<-1的解集是( )

A、 {x|-3<x<3}

B、 {x|x>3或x<-3}

C、 {x|-3≤x<3}

D、 {x|x≥3或x<-3}

答案:B

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1、题目10:设集合M={x|-4<x<3},N={x|x≤2},则M∪N=( )
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1、题目62:Earthquakes always happen () ,so it is difficult to know when they come.
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1、题目35:下列函数在(-∞,0)上为增函数的是( )
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1、题目17:不等式8-x2<-1的解集是( )

A、 {x|-3<x<3}

B、 {x|x>3或x<-3}

C、 {x|-3≤x<3}

D、 {x|x≥3或x<-3}

答案:B

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相关题目
1、题目110:--Do you have any plans for tonight? --Yes,I () at the new Italian restaurant in town.

A.  eat

B.  have eaten

C.  ate

D.  am going to eat

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1、题目95:Alice felt happy to receive some gifts on () birthday.

A.  hers

B.  she

C.  her

D.  herself

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1、题目53:Look at () calendar.It's June22.

A.  a

B.  an

C.  the

D.  /

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1、题目41:--Get up early,() you'll be late for school.

A.  so

B.  and

C.  or

D.  but

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A.  cleaned

B.  will clean

C.  was cleaned

D.  is cleaned

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B.  suddenly

C.  usually

D.  luckily

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B.  y=-2x

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A.  serious

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C.  most serious

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A.  on

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