2020-2021学年高二数学单元测试定心卷
本册综合卷(能力提升)
本卷满分150分,考试时间120分钟.
一、单项选择题:本题共8小题,每小题5分,共40分.在每小题给出的四个选项中,只有一个选项是符合题目要求的.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c0062e5a519fd16ebe52ff2ba086b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77311d40ef50a900cb46680f917f0d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0414c0b6fda7fee5eb71976e09da80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c98c59cd4749afdd21e73529fc84323.png)
A.![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
【知识点】 等差数列通项公式的基本量计算 等比中项的应用
A.32石 | B.40石 | C.48石 | D.56石 |
【知识点】 等差数列的简单应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11bbf65ba1b0ebb69a2912c3180b675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.1 | D.2 |
【知识点】 求曲线切线的斜率(倾斜角)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a23da6e853d1eb1d5261001003b16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45684f8b10d77d5611719c52e8e7fcb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d90f2fb40fcb75b8be729f5aa945e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.0 | C.![]() | D.![]() |
【知识点】 根据极值求参数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1a90a3f1cc4c59144645dfdaed6daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56f06476e9561c98011c8b85d3b2c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbece6c3a8e13c9706f56f88d18a501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebcc1f9302c23744dfebccc98952692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 函数单调性、极值与最值的综合应用 导数新定义
二、多项选择题:本题共4小题,每小题5分,共20分.在每小题给出的选项中,有多项符合题目要求,全部选对的得5分,部分选对的得3分,有选错的得0分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.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/cc867f18403bdac78525e35c31dec8c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3859890e300f470dcf4a215249da07e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 等差数列通项公式的基本量计算 等差数列前n项和的基本量计算
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 基本初等函数的导数公式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d50da766cb5304b47f3e5551d3477fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
A.![]() | B.![]() ![]() |
C.当![]() ![]() | D.![]() ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c4b7a950efe514a860fd101e476c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbeb720efbad776cb9ed8db895a95ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.![]() | B.![]() |
C.数列![]() | D.![]() ![]() |
【知识点】 判断数列的增减性 等差数列通项公式的基本量计算 求等差数列前n项和
三、填空题:本题共4小题,每小题5分,共20分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526465f48e47c2c38686c297da967357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
【知识点】 求在曲线上一点处的切线方程(斜率)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9396a4a1a1f97519f872cf1e6ad1322f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
【知识点】 等差中项的应用 写出等比数列的通项公式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4b56536abe2915bdf65607d16249ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab884b36d315e58e52de9db1a53716f1.png)
四、解答题:本题共6小题,共70分.解答应写出文字说明、证明过程或演算步骤.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8e34cdd334b668fe8ca80e133833b7.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218cde70993091d736f2b12ebc03a9f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898c16d2d7a559644c8f0484af9e44ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05bac54dbd8c9f2a100231aea7454de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43733074e91ca7e7ed7744f54a4ccd5.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f4c02fbe1bbe174030b18e3814bb3a.png)
【知识点】 写出等比数列的通项公式 数列求和的其他方法 构造法求数列通项
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bfa978b43b19e9f2491a48076294f8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22a706696f1bde8ae6b79d579c20047.png)