2023年浙江省宁波市宁海县一模数学试题
浙江
九年级
一模
2023-06-21
145次
整体难度:
适中
考查范围:
图形的性质、图形的变化、函数、统计与概率、数与式、方程与不等式
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/71b475f7-b90b-443a-ab96-e743ce0dd5cb.png?resizew=155)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 求角的余弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b29b8517015b3f9ec786028ba08135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99829d434697195e085c9d75e4616a6.png)
A.向左平移1个单位,再向上平移3个单位 | B.向左平移1个单位,再向下平移3个单位 |
C.向右平移1个单位,再向上平移3个单位 | D.向右平移1个单位,再向下平移3个单位 |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/a77cd354-c422-4a53-aa3c-ae310360564b.png?resizew=228)
A.抽中的扑克牌编号是3的概率 | B.抽中的扑克牌编号是3的倍数的概率 |
C.抽中的扑克牌编号大于3的概率 | D.抽中的扑克牌编号是偶数的概率 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a422b7952e9afc261b721aed7c562f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
【知识点】 抛物线与x轴的交点问题解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed3a08add0f389dbe3f7f74575faf45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e1a727ba332984ad857b3d25344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/5655b1dc-5869-46ea-a680-ecbe7cc8bd67.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用勾股定理解三角形解读 判断点与圆的位置关系解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb998fbf2ce7f0ba832648322c1c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6523615f59be6afb9c85a8fd13986189.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/8cc2a78c-4b8a-435f-96a5-d069bb422703.png?resizew=125)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 圆周角定理解读 已知圆内接四边形求角度解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9208d9fd17f43f66fda80f76e9395ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/0da464d7-d8f9-4cc8-923e-df524b135ef2.png?resizew=261)
A.16 | B.20 | C.24 | D.18 |
【知识点】 利用平行四边形的性质求解解读 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/375386102cba5bfd93bdf340216eb22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f78990189dfd3c922b7738d78de42da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af739cbc71f0a3aed0f3c658aafbd94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a395a7795e783b4596bef9775d02ed6f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/c20c84e9-7bbb-4e6d-8bd6-87f54845782f.png?resizew=192)
A.1 | B.2 | C.3 | D.4 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9f9f6dd9ba701b84aa9ad357c99e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13daac9f52b08f1fdc040eeafed4a86a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49699ecfc2653de8f3d3a521ab42caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1bdc5d46c2b57fb9c84afb647a343de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85766fa4d0f1c47aa976cf337f2fb6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1239c5aa81ffc8902ffce96ab3c5e92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367e788c32187ae2cc97aaa24da1d40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f3726fcebb464d61e11cd2e3f5d199.png)
A.四边形![]() ![]() | B.四边形![]() ![]() |
C.四边形![]() ![]() | D.四边形![]() ![]() |
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337b13ab21188fbbc7261497c6b4fd22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
【知识点】 无理数解读 根据概率公式计算概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c173ce1a9cdff32bd11ba1b5d8a3e1.png)
【知识点】 y=a(x-h)²+k的图象和性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71a41641aa0d0e45a3c03d3d2c1196b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea92883fe24b097c9a881ef8c92eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/4b112f00-1ff2-43af-98dd-68bc8b2000e9.png?resizew=229)
【知识点】 相似三角形应用举例解读 利用相似三角形的性质求解解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2e57629856cc8ed7ab28ca9ca76d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be890a399a6eb60745924892864b700f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffcbba82fe9cbad4a8634ac1a9987ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e977cb08909ddb77a8c1236bca620ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b1cc3952d82ef53255b17af7837724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81722445de00f3cfcc3cb97e45b0d8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e261ffa0ddfbb93bb73bf0dabe23148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743a403a0c155710d16d70561ff88c17.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/01a3e14b-3cb4-47ae-8bf0-6c3a975e23cb.png?resizew=199)
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6149fb2a7f5c9d846363817ad2e6d818.png)
【知识点】 特殊角三角函数值的混合运算解读
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/69258495-e7ec-4a9f-8fe1-e51a8729225a.png?resizew=268)
(1)如图1,请在图1中画一个格点三角形与原三角形相似,且所画三角形与原三角形的相似比为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d76e86c1dcc191aa8d51b3a528a454d.png)
(2)请在图2中画一个格点三角形与原三角形相似且有一条公共边,并写出所画三角形与原三角形相似比.相似比为:______
A.竞技乒乓,B.围棋博弈,C.名著阅读,D.街舞少年.
(1)小明选择街舞少年的概率为______.
(2)用画树状图或列表的方法求小明和小王选择同一个课程的概率.
【知识点】 根据概率公式计算概率解读 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfe6362e241ce790c6c30dfdfe72f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece63571c71b079e463003f4f7cbf1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b30bca5d706eb899b4a5479fa3dca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0175d8a8ffcea569a8421c95c1dad2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd58f9f2603b2a02db40ca2bf9d17a3.png)
(2)如图3,当手机托盘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2252ae7e8975c67a24ca325effe4abc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c894b7d6baa55c80c64e74748dad898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460317e7c26f95b9b29cfe1a89b796d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab6151c51332be6f55577898217f85b.png)
(1)该生鲜水果店要想每日获得1200元的利润,则樱桃的售价每千克应定为多少元?
(2)当每千克樱桃的售价定为多少元时,日销售利润最大?最大利润是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/4c1665c0-b87f-47a8-a62a-25246a077e30.png?resizew=172)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f986c181183d8e7e45655e6c5b5d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862efecdb6efec5e9ecb73c7230e84e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b8c639c851e0044ee22020324c5570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6711f23c2900c7b00a833bf21edb23d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c43f704b5d150cb4e29e9796a07d80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/b77fb9a2-a8ad-4c12-9519-0e43ea4622be.png?resizew=180)
(1)求二次函数的表达式.
(2)二次函数的图象上若有两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a546c9f6ec89fe0b91f0de176f8025f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509cf08aae649ab35de13ed5fc5ea8e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac67e9a909472ab852d38d2ec66a1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2522a6e2f5f434d684cfedea6690e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/6640cde4-015a-4b60-879c-bdd844a08c0f.png?resizew=431)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e62bfd68eb190f7b5cfcf35ba69c5a.png)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90ee71e651dc314753b71f1117e705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
(3)如图3,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff21fa5add663a1e31ab4bdf50bb6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246a86f34603eaf2e6a948681b831b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45239c9310fa2d1f3b30234d333129a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
试卷分析
试卷题型(共 24题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.85 | 正多边形的外角问题 | |
2 | 0.85 | 求角的余弦值 | |
3 | 0.85 | 二次函数图象的平移 | |
4 | 0.85 | 由频率估计概率 | |
5 | 0.65 | 抛物线与x轴的交点问题 | |
6 | 0.65 | 用勾股定理解三角形 判断点与圆的位置关系 | |
7 | 0.94 | 圆周角定理 已知圆内接四边形求角度 | |
8 | 0.65 | 利用平行四边形的性质求解 相似三角形的判定与性质综合 | |
9 | 0.85 | 二次函数图象与各项系数符号 根据二次函数的图象判断式子符号 | |
10 | 0.4 | 利用平行四边形的性质求解 相似多边形的性质 利用相似三角形的性质求解 | |
二、填空题 | |||
11 | 0.85 | 分式的求值 | |
12 | 0.85 | 无理数 根据概率公式计算概率 | |
13 | 0.94 | y=a(x-h)²+k的图象和性质 | |
14 | 0.65 | 相似三角形应用举例 利用相似三角形的性质求解 | |
15 | 0.65 | 用勾股定理解三角形 利用垂径定理求值 半圆(直径)所对的圆周角是直角 | |
16 | 0.15 | 用勾股定理解三角形 正方形性质理解 根据旋转的性质求解 解直角三角形的相关计算 | |
三、解答题 | |||
17 | 0.85 | 特殊角三角函数值的混合运算 | 问答题 |
18 | 0.65 | 利用二次根式的性质化简 勾股定理与网格问题 在网格中画与已知三角形相似的三角形 | 问答题 |
19 | 0.85 | 根据概率公式计算概率 列表法或树状图法求概率 | 问答题 |
20 | 0.65 | 含30度角的直角三角形 等腰三角形的性质和判定 其他问题(解直角三角形的应用) | 问答题 |
21 | 0.65 | 营销问题(一元二次方程的应用) 销售问题(实际问题与二次函数) | 应用题 |
22 | 0.65 | 等腰三角形的性质和判定 圆周角定理 求弧长 求扇形面积 | 证明题 |
23 | 0.15 | 待定系数法求二次函数解析式 y=ax²+bx+c的图象与性质 相似三角形的判定与性质综合 面积问题(二次函数综合) | 问答题 |
24 | 0.15 | y=ax²+bx+c的图象与性质 圆周角定理 相似三角形的判定与性质综合 正弦的概念辨析 | 证明题 |