解题方法
1 . 如图,四棱锥
的底面是平行四边形,平面
⊥平面
,且△
是正三角形,点
是
的中点,点
,
分别在棱
,
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/14e00783-6ade-499a-99ec-eb79b2550012.png?resizew=234)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
;
(2)若
,
,
,
共面,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
;
(3)在侧面
中能否作一条直线段使其与平面
平行?如果能,请写出作图的过程并给出证明;如果不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218054144a13435580cd132b9459546c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/14e00783-6ade-499a-99ec-eb79b2550012.png?resizew=234)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)在侧面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1879cd22c769c81e5f3166c49f13a508.png)
您最近一年使用:0次
解题方法
2 . 已知函数
(1)画出
的图象,直接写出方程
的解集;
(2)若方程
至少有两个不等的根,直接写出t的取值范围;
(3)若
,且
,求
的最大值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f07ea8f8aca9b5a42cfd3d526f190de.png)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/713c59f274e9146b6d85375435315521.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
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名校
3 . 已知函数
在
处的切线为
.
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968741377269760/2970688564609024/STEM/5abd7f35-500a-489d-869f-d2b195d2634d.png?resizew=465)
(1)求切线
的方程;
(2)画出切线
,以及函数
在区间
上的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968741377269760/2970688564609024/STEM/5abd7f35-500a-489d-869f-d2b195d2634d.png?resizew=465)
(1)求切线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)画出切线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b923078510697d5f7f9ea392eb76dd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585ac79da065a04457d841dc88ebd2d.png)
您最近一年使用:0次
4 . 已知函数
在
处的切线l.
(2)在同一坐标系下画出
的图象,以及切线l的图象;
(3)经过点
作
的切线,共有___________条.(填空只需写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8f8f1c47e643c51225fb48b2fac810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)在同一坐标系下画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8f8f1c47e643c51225fb48b2fac810.png)
(3)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a20a61d384b658080b92d8c1a9e7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8f8f1c47e643c51225fb48b2fac810.png)
您最近一年使用:0次
5 . 如图所示,网格纸上小正方形的边长为1,粗线画出的是某三棱锥的三视图,则此三棱锥的最长的棱长等于___ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/bf1e4f56-1003-44e2-b728-ad9697291f9d.png?resizew=211)
您最近一年使用:0次
名校
6 . 如图,网格纸上小正方形的边长为1,粗实线画出的是一个几何体的三视图,则这个几何体的体积是
![](https://img.xkw.com/dksih/QBM/2018/1/24/1867111030120448/1872137148891136/STEM/e560449fa0e94789851539b8e5994f92.png?resizew=246)
![](https://img.xkw.com/dksih/QBM/2018/1/24/1867111030120448/1872137148891136/STEM/e560449fa0e94789851539b8e5994f92.png?resizew=246)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-02-07更新
|
323次组卷
|
3卷引用:北京市房山区2017-2018高三第一学期期末(理)试题