左图中一共有( )组互相平行的线段
( )组互相垂直的线段
unti 2
Quiz
•
Mathematics
•
4th Grade
•
Medium
罗诗盈 罗诗盈
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34 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
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
两
一
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
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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