河北省保定市2026-2027学年高三上学期11月期中数学试题

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高三数学试题

注意事项:

1.答题前,考生务必将自己的姓名、准考证号填写在答题卡上.

2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑.如需改动,用橡皮擦干净后,再选涂其他答案标号.回答非选择题时,将答案写在答题卡上.写在本试卷上无效.

3.考试结束后,将本试卷和答题卡一并交回.

一、选择题:本题共8小题,每小题5分,共40分.每小题给出的四个选项中,只有一个选项是正确的.

1.若集合,,则eqWmf183GmgAAAAAAAMkFygHsCQAAAAD+WgEACQAAA24BAAACAJcAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAUAFCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///8ABQAAZgEAAAUAAAAJAgAAAAIFAAAAFAJgAVgAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAEjSOwPA7Nh1iJDedYsL2XUEAAAALQEAAAoAAAAyCgAAAAACAAAAQUKIAgADBQAAABQCYAFyARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAB1dsLadUAAAABI0jsDwOzYdYiQ3nWLC9l1BAAAAC0BAQAEAAAA8AEAAAoAAAAyCgAAAAACAAAAxz24AgADlwAAACYGDwAjAUFwcHNNRkNDAQD8AAAA/AAAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcERFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAg0EAAgSGKSLHAgCDQgACBIY9AD0AAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB1swaKAgAACgAGAAAAkhNmlLMGigKLC9l1BAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==

A.  B.  C.  D.

2.已知复数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满足,则

A.  B.  C.  D.

3.已知向量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,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,则eqWmf183GmgAAAAAAAIMFwQLsCQAAAAC/WQEACQAAA6UBAAAEAKIAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAgAFCwAAACYGDwAMAE1hdGhUeXBlAABwABIAAAAmBg8AGgD/////AAAQAAAAwP///6b////ABAAAJgIAAAgAAAD6AgAAEAAAAAAAAAIEAAAALQEAAAUAAAAUAloASAAFAAAAEwImAkgABQAAABQCWgBwAwUAAAATAiYCcAMFAAAACQIAAAACBQAAABQCoAF4ABwAAAD7AoD+AAAAAAAAkAEBAAAAAAIAEFRpbWVzIE5ldyBSb21hbgBI0jsDwOzYdYiQ3nWLC9l1BAAAAC0BAQAKAAAAMgoAAAAAAgAAAGFiFgIAAwUAAAAUAqABgAEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdXbC2nVAAAAASNI7A8Ds2HWIkN51iwvZdQQAAAAtAQIABAAAAPABAQAKAAAAMgoAAAAAAgAAACs9ZgIAA6IAAAAmBg8AOgFBcHBzTUZDQwEAEwEAABMBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwEDAAQDAA8AAQAPAQIAg2EAAgSGKwArAgCDYgAAAgCWB+wCAJYI7AACBIY9AD0AAAoAAAAmBg8ACgD/////AQAAAAAACAAAAPoCAAAAAAAAAAAAAAQAAAAtAQEAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAACzBooCAAAKAAYAAABOFWY4swaKAosL2XUEAAAALQEDAAQAAADwAQIAAwAAAAAA

A.  B.   C.  D.

4.已知等差数列的前项和为,若,则

A.   B.   C.   D.

5.已知,,且,则的最小值为

A.  B.  C.   D.

6.已知某圆锥的侧面积为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,且其侧面展开图的圆心角为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,则该圆锥的体积为

A.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  B.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  C.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  D.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

7.已知函数,在闭区间上的最大值不小于,则实数的取值范围是

A.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    B.

C.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    D.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

8.已知函数,则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page number 0

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A.  B.  C.  D.

二、选择题:本大题共3小题,每小题6分,共18分.在每小题给出的四个选项中,有多项符合题目要求.全部选对得6分,选对但不全的得部分分,有选错的得0分.

9.已知函数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,则

A.的最小正周期为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    B.的图象关于直线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对称

C.在上的值域为  D.在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上单调递减

10.在正方体中,棱长为,则

A.异面直线与互相垂直

B.点,,,分别为棱,,,的中点,则,,,四点共面

C.三棱锥的外接球的体积为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

D.点在直线上运动,点在直线上运动,则线段长度的最小值为

11.九连环是我国古典益智玩具,一根环柄上有个环,编号依次为,,…,,每个环有两种状态:在环柄上、被卸下.符号约定:○表示环在环柄上;⊗表示环被卸下.初始状态为个环均在环柄上,即○₁○₂…○₉.最终状态时个环全部卸下,即⊗₁⊗₂…⊗₉.装卸规则:

①每次仅可装卸个环,且装上或者卸下每个环的过程是可逆的;

②号环可自由装卸;

③装卸号环的充要条件:号环在环柄上;

④当时,装卸第号环的充要条件:第号环在环柄上,且前个环都被卸下.

设为从初始状态卸下前个环的最少步数,已知,.

状态:⊗₁⊗₂⊗₃⊗₄⊗₅⊗₆⊗₇○₈○₉,

状态:⊗₁⊗₂⊗₃⊗₄⊗₅⊗₆⊗₇⊗₈○₉.下列说法正确的是

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