1 . 已知实数
,
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2affa2f968907083e02d6bf0338607.png)
A.当![]() ![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() |
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解题方法
2 . 已知
(
,a为正常数)的展开式中各项系数的和为729,二项式系数的和为64,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1560aaf6668c34e0244c52bc87238d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a70b95c53fb6655721e2a8c61f5c2c.png)
A.![]() | B.展开式中无理项有3项 |
C.展开式中系数最大的项是第4项 | D.展开式中常数项为第5项 |
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3 . 已知函数
及其导函数
的定义域均是
,
是
的唯一零点,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe722eb85e0cd27cadf697c54005151e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 在四棱锥
中,底面
是矩形,
平面
,
、
分别为棱
、
的中点,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
A.![]() | B.![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() ![]() |
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3卷引用:安徽省级示范高中培优联盟2023-2024学年高二下学期春季联赛数学试题
安徽省级示范高中培优联盟2023-2024学年高二下学期春季联赛数学试题陕西省西安市南开高级中学2023-2024学年高一下学期五月月考数学试卷(已下线)高一期末模拟试卷01-《期末真题分类汇编》(北师大版(2019))
5 . 设函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f82eed67aa57fbe66dead496dcd8a1.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.若方程 ![]() ![]() ![]() |
D.经过坐标原点的曲线![]() ![]() |
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解题方法
6 . 已知抛物线
和
的焦点分别为
,动直线
与
交于
两点,与
交于
两点,其中
,且当
过点
时,
,则下列说法中正确的是 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd002e4153239401cbe0d56ab1164b9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677e43bb9b3ff712aeea6a52cea9e25f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1459402f901edc7c3bd6993b15be2805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf328ef13181498b339a6c9b9af0eb0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910215944e29fcfe2d439b7191192cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6179bd1936944d2977cab330e0e351ca.png)
A.![]() ![]() | B.已知点![]() ![]() ![]() |
C.![]() | D.若![]() ![]() ![]() |
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7 . 下列说法正确的是( )
A.若样本相关系数![]() |
B.若样本相关系数![]() |
C.在残差的散点图中,残差分布的水平带状区域的宽度越窄,其模型的拟合效果越好 |
D.对分类变量![]() ![]() ![]() ![]() ![]() |
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8 . 设等差数列
的前
项和为
,公差为
,
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948d42e08a69266bed4b18ef1af72427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a1e385bd995da60cad02a4236d9163.png)
A.![]() |
B.当![]() ![]() |
C.数列![]() ![]() |
D.记数列![]() ![]() ![]() ![]() |
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解题方法
9 . 如图,在棱长为4的正方体
中,
,过
的平面
截正方体
所得的截面为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2d79c2a25f7a3129a94486d7171cb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b06ca628c01e7d6711313888921dfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
A.![]() ![]() |
B.点![]() ![]() ![]() |
C.在棱![]() ![]() ![]() ![]() ![]() |
D.在棱![]() ![]() ![]() ![]() |
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10 . 已知函数
的定义域为
,则实数
的取值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f86cab0326557c4e96e7b0866f87305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.1 | C.2 | D.3 |
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