2023高三·全国·专题练习
名校
1 . 函数
,当
取不同的正数时,在区间
上它们的图像是一组美丽的曲线(如图),设点
,
,连接
,线段
恰好被其中的两个幂函数
,
的图像三等分,即有
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbc4da80827d0510931284f9de4ffa8.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4250ec1d917f79063aec24a24cad892b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cba284d675a3028d7a8d54f1f8ae70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd3f86cd7afe812f3d8e131bee1e315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce04612f2dc7928760c86f67a883df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e667b7c87fd5070e751912104cbcfcc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbc4da80827d0510931284f9de4ffa8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/e9b618c6-6ba9-495b-ae74-51ff79be8f86.png?resizew=178)
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2 . 在三棱锥
中,已知平面
平面
,
是底面
最长的边,三棱锥
的三视图如图1所示,其中侧视图和俯视图均为直角三角形;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/8d5a364d-6cc8-4f06-a8fe-6ac7eda18012.png?resizew=302)
(1)请在图2中,用斜二测画法,把三棱锥
的直观图补充完整(其中点
在
平面内),并指出三棱锥
的哪些面是直角三角形;
(2)求点
到面
的距离;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/8d5a364d-6cc8-4f06-a8fe-6ac7eda18012.png?resizew=302)
(1)请在图2中,用斜二测画法,把三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d96461d2b3421aed548b754637ca8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
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真题
名校
3 . 如图,四位同学在同一个坐标系中分别选定了一个适当的区间,各自作出三个函数
,
,
的图像如下.结果发现其中有一位同学作出的图像有错误,那么有错误 的图像是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325f9e2f7784ebdd64292e805884dfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8df35909341c351f076081c3623d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a809dd3769df6f74749cb54c87ed99e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2010-06-18更新
|
463次组卷
|
6卷引用:上海市复旦大学附属中学2018-2019学年高三上学期10月月考数学试题