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1 . 青花瓷(blue and white porcelain),又称白地青花瓷,常简称青花,是中国瓷器的主流品种之一,属釉下彩瓷.原始青花瓷于唐宋已见端倪,成熟的青花瓷则出现在元代景德镇的湖田窑.图一是一个由波涛纹和葡萄纹构成的正六边形青花瓷盘,已知图二中正六边形的边长为
,圆
的圆心为正六边形的中心,半径为
,若点
在正六边形的边上运动,动点
在圆
上运动且关于圆心
对称,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787dfab61ed9830b531da365e592bbd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-08更新
|
424次组卷
|
2卷引用:湖南省慈利县第一中学2023-2024学年高一下学期期中考试数学试题
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2 . 在
中,
分别为角
的对边),则
的形状可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5cb38698873f6e2adfa6a198aa83bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.正三角形 | B.直角三角形 |
C.等腰直角三角形 | D.等腰三角形 |
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3 . 下面说法不正确的是( )
A.多面体至少有四个面 | B.平行六面体六个面都是平行四边形 |
C.棱台的侧面都是梯形 | D.长方体、正方体都是正四棱柱 |
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4 . “奔驰定理”因其几何表示酷似奔驰的标志得来,是平面向量中一个非常优美的结论.奔驰定理与三角形四心(重心、内心、外心、垂心)有着神秘的关联.它的具体内容是:已知
是
内一点,
的面积分别为
,且
.以下命题正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb90417652d97e7c3f5a6d5926a7d48f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccb3de366206f32e0c9045e63b2e205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2247c3f1ec9a0616dbd73a8fb97e4e0e.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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5 . 在如图所示的多面体中,
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe21d51a66caafa14054a41c9a37d1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836b56dbc08431a5b102a49dade806c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b8eb77297ee04a78626433a90b58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b812363d7a76cc17df075a874d851ee3.png)
上求作点
使
平面
请写出作法并说明理由;
(2)求三棱锥
的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d2d217e9bcd059908f117dfc4d4259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe21d51a66caafa14054a41c9a37d1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836b56dbc08431a5b102a49dade806c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b8eb77297ee04a78626433a90b58b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b812363d7a76cc17df075a874d851ee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fbc229c957487495bb8cda1d4cfd8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28f79db7c270b6ff9fb0a538ee201cfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed46dc5ff6947bffc737c001fd1f11a.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f178906e90bafd73e0ef9f89814855d5.png)
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6 . 对于数集
,其中
,
,定义向量集
,若对任意
,存在
,使得
,则称X具有性质P.
(1)设
,请写出向量集Y并判断X是否具有性质P(不需要证明).
(2)若
,且集合
具有性质P,求x的值;
(3)若X具有性质P,且
,q为常数且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7a53ccddc5210a37f12e3ab6e99df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3fe482c5e20abfc9f89c876f653ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966888395e433b9c2a30138e7fb59cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c122d308af408739c2717376e932122d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c6bb4424eb1e5ab02b8ac83fd6ad10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8de3dabcc3150fd539ac97718ba10c5.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66317f3834697e2b5642906bb751eb25.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b7511e6ce72a5232820b7007f976be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864dd49f786346bc320deace92f949b0.png)
(3)若X具有性质P,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2f5028bb9e126607ef62b402300c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda6dc559d07bc22c9a0ed1e3a6d01d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57313119f26fc9ba177f6ce7b57ab4f3.png)
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2024-04-23更新
|
304次组卷
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2卷引用:湖南省慈利县第一中学2023-2024学年高一下学期期中考试数学试题
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7 . 函数
的极小值点为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b3ae832300747f8a3b7e1360606cc0.png)
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8 . 在
中,角
的对边分别是
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b254e5ee33a298ef218adbde0d4385b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
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2024-04-10更新
|
617次组卷
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3卷引用:湖南省慈利县第一中学2023-2024学年高一下学期期中考试数学试题
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9 . 已知椭圆
的左右焦点分别为
,其中
,过
的直线
与椭圆
交于
两点,若
,则该椭圆离心率的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21b2006b5b4095ac23eca5cbc032e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa87a9cb23067f46f260de17ab64da7b.png)
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2024-04-08更新
|
1108次组卷
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3卷引用:湖南省张家界市慈利县第一中学2023-2024学年高二下学期期中考试数学试卷
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10 . 已知
为等差数列,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66aacee710eab69da2799eb8d6d35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a7bf78468ca801ef305ce4f76986da1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-29更新
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1322次组卷
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4卷引用:湖南省张家界市慈利县第一中学2023-2024学年高二下学期期中考试数学试卷