本课配套习题挑战模式1/5
单选题
难度系数:
1.平面内有三条直线a,b,c,若a⊥b,b⊥c,则( )
A: a⊥c |
B: a∥c |
C: a与c相交 |
D: a与c不平行也不相交 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u55u057q/Ye+8jGLvvIxj5Zyo5ZCM5LiA5bmz6Z2i5YaF77yMYeKKpWLvvIxi4oqlY++8jOWGjeagueaNruWQjOS4gOW5s+mdouWGheWeguebtOS6juWQjOS4gOebtOe6v+eahOS4pOebtOe6v+W5s+ihjOWNs+WPr+W+l+WHuuetlOahiO+8jg==
- 答案:Qg==
6Kej77ya4oi155u057q/Ye+8jGLvvIxj5Zyo5ZCM5LiA5bmz6Z2i5YaF77yMYeKKpWLvvIxi4oqlY++8jDxicj7iiLRh4oilY++8jjxicj7mlYXpgIlC77yO
本课配套习题挑战模式2/5
单选题
难度系数:
2.直线a、b、c在同一平面内,在上述四种说法中,正确的个数为( )
(1)如果a⊥b,b⊥c,那么a∥c;
(2)如果a∥b,b∥c,c∥d,那么a∥d;
(3)如果a∥b,b⊥c,那么a⊥c;
(4)如果a与b相交,b与c相交,那么a与c相交.
(1)如果a⊥b,b⊥c,那么a∥c;
(2)如果a∥b,b∥c,c∥d,那么a∥d;
(3)如果a∥b,b⊥c,那么a⊥c;
(4)如果a与b相交,b与c相交,那么a与c相交.
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5Z6C55u05LqO5ZCM5LiA55u057q/55qE5Lik55u057q/5bmz6KGM77yM5bmz6KGM5YWs55CG5a+55ZCE5bCP6aKY5YiG5p6Q5Yik5pat5Y2z5Y+v5b6X6Kej77yO
- 答案:Qw==
6Kej77ya77yIMe+8ieWmguaenGHiiqVi77yMYuKKpWPvvIzpgqPkuYhh4oilY++8jOato+ehru+8mzxicj7vvIgy77yJ5aaC5p6cYeKIpWLvvIxi4oilY++8jGPiiKVk77yM6YKj5LmIYeKIpWTvvIzmraPnoa7vvJs8YnI+77yIM++8ieWmguaenGHiiKVi77yMYuKKpWPvvIzpgqPkuYhh4oqlY++8jOato+ehru+8mzxicj7vvIg077yJ5aaC5p6cYeS4jmLnm7jkuqTvvIxi5LiOY+ebuOS6pO+8jOmCo+S5iGHkuI5j55u45Lqk5oiW5bmz6KGM77yM5pWF5pys5bCP6aKY6ZSZ6K+v77yOPGJyPue7vOS4iuaJgOi/sO+8jOato+ehrueahOS4quaVsOaYrzPkuKrvvI48YnI+5pWF6YCJQ++8jg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.列说法:①两点之间的所有连线中,线段最短;②在数轴上与表示-1的点距离是3的点表示的数是2;③相等的角是对顶角;④过一点有且仅有一条直线与已知直线平行;⑤若AC=BC,则点C是线段AB的中点,其中错误的有( )
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5omA5a2m5YWs55CG5ZKM5oCn6LSo6Kej562U77yO
- 答案:RA==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列说法:①过两点有且只有一条直线;②两条直线不平行必相交;③过一点有且只有一条直线与已知直线垂直;④过一点有且只有一条直线与已知直线平行.⑤点到直线的距离是指这点到这条直线的垂线段.其中正确的有()
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u55u45YWz55qE5a6a5LmJ5oiW5a6a55CG6YCQ5LiA6L+b6KGM5Yik5pat77yO
- 答案:QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列说法正确的个数
(1)在同一平面内,两条直线的位置关系只有两种:相交和平行.
(2)过一点有一条直线平行于已知直线.
(3)有且只有一条直线垂直于已知直线.
(4)从直线外一点到这条直线的垂线段,叫做这点到这条直线的距离.
(5)平面上三条直线相交,最多能够形成3对对顶角.
(6)如果两条直线都与第三条直线垂直,那么这两条直线互相平行.
(7)两条相交直线构成的角中,互为邻补角的最多有4对.
(1)在同一平面内,两条直线的位置关系只有两种:相交和平行.
(2)过一点有一条直线平行于已知直线.
(3)有且只有一条直线垂直于已知直线.
(4)从直线外一点到这条直线的垂线段,叫做这点到这条直线的距离.
(5)平面上三条直线相交,最多能够形成3对对顶角.
(6)如果两条直线都与第三条直线垂直,那么这两条直线互相平行.
(7)两条相交直线构成的角中,互为邻补角的最多有4对.
A: 1个 |
B: 2个 |
C: 3个 |
D: 4个 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u55u057q/5bmz6KGM44CB55u45Lqk55qE5a6a5LmJ5Y+K5bmz6KGM5YWs55CG5ZKM5o6o6K665a+55ZCE6YCJ6aG55YiG5p6Q5Yik5pat5ZCO5Yip55So5o6S6Zmk5rOV5rGC6Kej77yO
- 答案:Qg==
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