23-24高二上·北京·期末
名校
1 . 在平面直角坐标系中画出方程
表示的曲线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23d97f6bef4032d435ca2c5a09d89d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/59691968-2b31-4346-b1f2-948c849ad3db.png?resizew=241)
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解题方法
2 . 在正方体
中,
分别是棱
和
上异于端点的动点,将经过三点
的平面被正方体截得的图形记为
.如图中
时截面图形
为矩形.
(1)在图中作出截面图形
为梯形的情形;(直接画出图形即可,不需说明)
(2)当点
为
中点时,求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ae536809b1161fd4e83fdc7f42be96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1859959fdb4c5edd8056893f94a10a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d04ea588f556c3b874b7e68ea69f49e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/5db5de67-b86d-4aaf-b4be-12f24a3ef879.png?resizew=164)
(1)在图中作出截面图形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca48c18021e7be4bbb3e95576e1c1b5f.png)
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3 . 如图,三棱柱
的底面
是边长为2的等边三角形,平面
平面ABC,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/c5432955-f187-4a4f-a5fd-3a7d00ae20cb.png?resizew=159)
(1)过
作出三棱柱的一个截面,使AB与截面垂直,并给出证明;
(2)求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce04b35c265cc9c48b60204bd2f718ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9719aac8dbe938897e88244ab8a7ed57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/c5432955-f187-4a4f-a5fd-3a7d00ae20cb.png?resizew=159)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
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名校
解题方法
4 . 在正方体中,
是棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/24a9bce2-7d5f-42f1-8210-4c66c9c498ec.png?resizew=161)
(1)作出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc725182c2fd1413319fea35b95c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42b4e11e3d0c9f18c4f7bdc9404824e.png)
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解题方法
5 . 如图,在直三棱柱
中,底面
是边长为4的等边三角形,且
是棱
上一动点(不包括端点),
为
的中点.
(1)若
为
的中点,请作出
与平面
的交点
,并写出
与
的比值(在图中保留作图痕迹,不必写出画法和理由);
(2)设直线
与平面
所成的角为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067646fa32976be03cc431cda562a501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/4/ceb2e7cf-3f83-451a-a9b2-c38d840b29ec.png?resizew=157)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ef601ca1f9c4c031adab4ffed297f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99738c0ba6ad5af08c609bd57fbc015.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5888bec948373f3854258ad80171073d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
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名校
解题方法
6 . 如图,在多面体ABCDEF中,四边形ABCD为正方形,
平面ABCD,
,
,M是线段BF上的一动点,过点M和直线AD的平面
与FC,EC分别交于P,Q两点.
(1)若M为BF的中点,请在图中作出线段PQ,并说明P,Q的位置及理由;
(2)线段BF上是否存在点M,使得直线AC与平面
所成角的正弦值为
?若存在,求出MB的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a22d6b860f06fe23618b0d3de6768fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d4ea87a0837c4eee99c8b5ba6ec977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb9186d94b8ee0855a5d44edf82d4566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/ddd47f3b-097f-4bf9-993e-7662151e0cb2.png?resizew=160)
(1)若M为BF的中点,请在图中作出线段PQ,并说明P,Q的位置及理由;
(2)线段BF上是否存在点M,使得直线AC与平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83fb9ac8a18e78a4c56da79514b5ccb.png)
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2023-10-13更新
|
505次组卷
|
4卷引用:湖北省武汉外国语学校2023-2024学年高二上学期9月月考数学试题
7 . 如图,正四面体
,
(1)找出依次排列的四个相互平行的平面
,
,
,
,使得
,且其中每相邻两个平面间的距离都相等.请在答卷上作出满足题意的四个平面,并简要说明并证明作图过程;
(2)若满足(1)的平面
,
,
,
中,每相邻两个平面间的距离都为1,求该正四面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495fbf56b3023539b59f7bcee29acc70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/21fc98e1-5dbe-46a9-9c60-2bb1802386ea.png?resizew=167)
(1)找出依次排列的四个相互平行的平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9177f43add5ca8480daa636afc5862b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a56eca8dc73a0e8f0c6d3a41bb26bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109c658897735fce605120061c38709d.png)
(2)若满足(1)的平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9177f43add5ca8480daa636afc5862b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a56eca8dc73a0e8f0c6d3a41bb26bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495fbf56b3023539b59f7bcee29acc70.png)
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8 . 如图,在正方体
中,点
为棱
上任意一点.只考虑图上已画出线段所对应的向量,写出:
(1)
的相等向量,
的相反向量;
(2)用另外两个向量的和或差表示
;
(3)用三个或三个以上向量的和表示
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/14/f936fb2c-2df0-4008-b6f1-b7cc627213d6.png?resizew=167)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d63a6284e4361830a4f19c43e783c0.png)
(2)用另外两个向量的和或差表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474851d511f3bcd6931c581d7540e588.png)
(3)用三个或三个以上向量的和表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a112e9728d7b560199765c815f69.png)
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23-24高二上·全国·课后作业
解题方法
9 . 求适合下列条件的双曲线的标准方程,并画出草图.
(1)一个焦点为
,渐近线方程为
;
(2)焦距为20,离心率为
,顶点在x轴上;
(3)与双曲线
共渐近线,且经过点
.
(1)一个焦点为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f2be8f1e796226f1b0fa95f6aea35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c56a13342f8c88050c38be89f035054.png)
(2)焦距为20,离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
(3)与双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e936447006d48523b3edd9a2b80db123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e36febd45a7b76d3f7459d543d90956e.png)
您最近一年使用:0次
23-24高二上·全国·课后作业
解题方法
10 . 以下方程的图象是不是双曲线?如果是,求出它的焦点坐标、顶点坐标、离心率和渐近线方程,并画出它们的草图.从解答过程中,你能发现什么规律?
(1)
;
(2)
;
(3)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9090c9ec477de697d0dfef336bc847f1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f133e8952525063f54efee1e872f15.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b5f295062dd1e0bc64857e9d00e64b.png)
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