下列命题错误的有( )
①直线外一点到这条直线的垂线段叫做点到直线的距离;
②两条直线被第三条直线所截,同旁内角互补.
③实数与数轴上的点一一对应;
④无限小数就是无理数;
①直线外一点到这条直线的垂线段叫做点到直线的距离;
②两条直线被第三条直线所截,同旁内角互补.
③实数与数轴上的点一一对应;
④无限小数就是无理数;
A.1个 | B.2个 | C.3个 | D.4个 |
更新时间:2024-03-26 11:54:43
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】在实数
,
,
,
,
,
,
(每相邻两个2之间依次多一个3)中,无理数共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071ff10740d0ef09e9b6ab0bf8a92283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a1a7a04d4c10e7a45714482bfb58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b309d7cb5984de8ce6753f62b5c376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1625d21fa2fb85cf8c02d8e99f175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddee79ff73a3f721615a917b4bb87d27.png)
A.6个 | B.5个 | C.4个 | D.3个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】下列个数
,3.1415926,
,
,
,
,
中,无理数的个数有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/598564aec706dff769c5afc4c378c572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55df059a3e31d7decf2e2a657541d43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf3d3564c61e5e9c39a9e2cf2de048b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc54231b2fdd8baae870b9b320ee3933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】下列命题是真命题的是( )
A.在数轴上没有表示![]() | B.两边及其中一边的对角分别对应相等的两个三角形全等 |
C.无理数都是无限小数 | D.算术平方根等于它本身的数是0 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】实数a,b,c,d在数轴上的对应点的位置如图所示,则正确的结论是( )
![](https://img.xkw.com/dksih/QBM/2019/8/2/2260126252793856/2263546576756736/STEM/3f79baaa250a4e818b8737130d6d33ce.png?resizew=325)
![](https://img.xkw.com/dksih/QBM/2019/8/2/2260126252793856/2263546576756736/STEM/3f79baaa250a4e818b8737130d6d33ce.png?resizew=325)
A.bc>0 | B.a+d<0 | C.|a|<|c| | D.b<﹣2 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】下列命题是真命题的是( )
A.从直线外一点到这条直线的垂线段叫点到直线的距离 |
B.过一点有且只有一条直线与已知直线平行 |
C.同角的补角相等 |
D.如果两条直线被第三条直线所截,那么同位角相等 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】到一个已知点 P 的距离等于 3 cm 的直线可以画( )
A.1 条 | B.2 条 | C.3 条 | D.无数条 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,直尺经过一块三角板DCB的顶点B,
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/5/5/2197119408889856/2197591765467136/STEM/82315ef72713434aa3dcc3d057d2d75b.png?resizew=109)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e744f480e11f588570c5d6738799f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc688c55cf2d34194d90355a1e9ac48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6a23d521606a35298bbf147f7f830c.png)
![](https://img.xkw.com/dksih/QBM/2019/5/5/2197119408889856/2197591765467136/STEM/82315ef72713434aa3dcc3d057d2d75b.png?resizew=109)
A.150° | B.140° | C.130° | D.100° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,在
中,弧
所对的圆周角
.若D为弧
上一点,
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d5c07bf0a2f35fc34d09e1489aadc79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc47c6ef6340d497ab20ffa8aaef6d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc17f4cb069eca70039669a813c1c41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a037c23a11c7783b1b44988c21634f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次