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U13 第一&第二课时

Authored by Erfu Liu

Mathematics

8th Grade

CCSS covered

Used 2+ times

U13 第一&第二课时
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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1.下列体育运动项目图标中,是轴对称图形的是(  )

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.4.G.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列图形中,一定是轴对称图形的是(  )

三边形

四边形

五边形

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

视力表中的字母“E”有各种不同的摆放形式,下面每种组合中的两个字母“E”不能关于某条直线成轴对称的是(  )

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.4.G.A.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在3×3的正方形网格中,每个小正方形都是全等的,其中有3个小正方形被涂上了阴影,下列所组成的图形中,不是轴对称图形的是(  )

Media Image
Media Image
Media Image
Media Image

Tags

CCSS.4.G.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图,△ABC与△A1B1C1关于直线l对称,则∠B的度数为(  )

50°

30°

100°

90°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图,已知直线l垂直平分线段AB,P是l上一点,已知PA=1,则PB(  )

等于1

小于1

大于1

最小为1

Tags

CCSS.HSG.CO.C.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

已知:如图,直线PO与AB交于点O,PA=PB,则下列结论中正确的是(  )

AO=BO

PO⊥AB

PO是线段AB的垂直平分线

点P在线段AB的垂直平分线上

Tags

CCSS.HSG.CO.C.9

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