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unti 2

Authored by 罗诗盈 罗诗盈

Mathematics

4th Grade

Used 11+ times

unti 2
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34 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

左图中一共有( )组互相平行的线段

( )组互相垂直的线段

2

3

2

4

2

5

3

5

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

一个线段如果向一个方向无限延长,就得到一条( )

直线

射线

曲线

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

一条线段,如果向( )个方向无限延长,就得到一条直线

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在同一个平面内不相交的两条直线叫做( )

垂线

平行线

垂线段

相交线

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

一个圆的直径是20厘米,半径是( )分米

10

2

15

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(      )决定圆的大小,(      )决定圆的位置。

半径;圆心

形状;半径

圆心;半径

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

在下图中,将左边方格纸中的图形绕O点逆时针旋转90°后得到的图形是(       )

A

B

C

D

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