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高中知识复习题库

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1、题目2:已知等差数列 {an} 中,a3+a4+a5=12 ,那么a1+a2+…+a7=( )

A、14

B、21

C、28

D、35

答案：C

高中知识复习题库

1、题目56:在等比数列{an}中,a2=2,公比q=2,则此数列的前3项和为( )

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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120:--Whose T-shirt is this? --It () be Tony＇s.I am not sure.

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1、题目69:--Do you think teenagers () to make their own decisions? --No,I don’t agree with you.They’re too young to do that.

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1、题目31:Everybody () deeply after they heard the story.

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1、题目115:Many houses () by the earthquake and thousands of people were left homeless.

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1、题目22:下列四组对象,不能够组成集合的是( )

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1、题目128:--()can you finish the report on food safety? --In two days.

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1、题目52:在等比数列{an}中,已知a1·a6=21,则a2·a5=( )

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1、题目23:--Three-D printing technology could be used to build a house in less than 24 hours. --It ()amazing.It’s my first time to get to know the news.

题目内容

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单选题

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高中知识复习题库

1、题目2:已知等差数列 {an} 中,a3+a4+a5=12 ,那么a1+a2+…+a7=( )

A、14

B、21

C、28

D、35

答案：C

相关题目

1、题目56:在等比数列{an}中,a2=2,公比q=2,则此数列的前3项和为( )

A. 7

B. 8

C. 9

D. 10

点击查看答案

1、题目61:二次函数y=x2+bx+c的图像的对称轴是x=-2,则有( )

A. 　f(-4)<f(-2)<f(-1)

B. 　f(-2)<f(-1)<f(-4)

C. 　f(-2)<f(-4)<f(-1)

D. 　f(-1)<f(-2)<f(-4)

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1、题目120:--Whose T-shirt is this? --It () be Tony＇s.I am not sure.

A. 　may

B. 　must

C. 　will

D. 　can

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1、题目69:--Do you think teenagers () to make their own decisions? --No,I don’t agree with you.They’re too young to do that.

A. 　encourage

B. 　are encouraging

C. 　are encouraged

D. 　were encouraged

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1、题目31:Everybody () deeply after they heard the story.

A. 　moves

B. 　moved

C. 　is moved

D. 　was moved

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1、题目115:Many houses () by the earthquake and thousands of people were left homeless.

A. 　damaged

B. 　were damaged

C. 　were damaging

D. 　are damaged

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1、题目22:下列四组对象,不能够组成集合的是( )

A. 　某班所有高个子的学生

B. 　所有的正整数

C. 　相反数等于它自身的实数

D. 　倒数等于它自身的实数

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1、题目128:--()can you finish the report on food safety? --In two days.

A. 　How far

B. 　How much

C. 　How often

D. 　How soon

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1、题目52:在等比数列{an}中,已知a1·a6=21,则a2·a5=( )

A. 19

B. 20

C. 21

D. 22

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1、题目23:--Three-D printing technology could be used to build a house in less than 24 hours. --It ()amazing.It’s my first time to get to know the news.

A. 　looks

B. 　smells

C. 　sounds

D. 　tastes

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总装车间IATF16949程序文件培训资料2024-5-10