2019年精选北师大版数学七年级上册第四章 基本平面图形4.1 线段、射线、直线习题精选六十
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2019年精选北师大版数学七年级上册第四章基本平面图形4.1 线段、射线、
直线习题精选六十
第1题【单选题】
如果点C在线段AB上,下列表达式:①AC=有误AB; ②AB=2BC; ③AC=BC; ④AC+BC=AB中, 能表示点C是线段AB中点的有( )
A、1个
B、2个
C、3个
D、4个
【答案】:
【解析】:
第2题【单选题】
下列叙述,其中不正确的是( )
A、两点确定一条直线
B、过一点有且只有一条直线与已知直线平行
C、同角(或等角)的余角相等
D、两点之间的所有连线中,线段最短
【答案】:
【解析】:
第3题【单选题】
下列语句中表述准确的是( )
A、延长射线OC
B、射线BA与射线AB是同一条射线
C、作直线AB=BC
D、已知线段AB,作线段CD=AB
【答案】:
【解析】:
第4题【单选题】
在同一平面内,两条直线可能的位置关系是( )
A、平行
B、相交
C、相交或平行
D、垂直
【答案】:
【解析】:
第5题【单选题】
如图棋盘上有黑、白两色棋子若干,找出所有三颗颜色相同的棋并且在同一直线上的直线,这样直线共有多少条( )
A、6条
B、5条
C、4条
D、
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【答案】:
【解析】:。