新疆维吾尔自治区克拉玛依市独山子区第二中学2026-2027学年第一学期期中考试高二数学试卷

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独山子第二中学2026—2027学年第一学期期中考试

高二数学试卷(B卷)

注意事项:

1.答题前,考生务必将自己的姓名、考号、班级信息填写在答题卡上.

2.将答案写在答题卡上,写在试卷上无效.考试结束后请妥善保管好试卷,以备考试后上课老师讲评试卷时使用.

3.考试范围:人教A版选择性必修第一册第一章至第三章第一节.

4.本试卷满分150分,考试时间120分钟.

第一部分(选择题  共58分)

一、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,只有一项是符合题目要求的.

1.直线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:的倾斜角为(     )

A.eqWmf183GmgAAAAAAAEACAAIBCQAAAABQXgEACQAAA3IBAAACAJwAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAIAAkACCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///7f///8AAgAAtwEAAAUAAAAJAgAAAAIFAAAAFAKgAS4AHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjTmgAg5A92iIAVdu4CEHYEAAAALQEAAAoAAAAyCgAAAAACAAAAMzDAAAADBQAAABQC9ACwARwAAAD7AiD/AAAAAAAAkAEAAAABAAIAEE1UIEV4dHJhALkRdkAAAADI05oAIOQPdoiAFXbuAhB2BAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAb+XAAZwAAAAmBg8ALQFBcHBzTUZDQwEABgEAAAYBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHCERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIgzAAIAiDAADwADABwAAAsBAQEADwECBIsYIm8AAAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHYhAIoCAAAKAAYAAAA/iWb2IQCKAu4CEHYEAAAALQEAAAQAAADwAQEAAwAAAAAA B.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 C.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 D.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

2.圆的圆心和半径分别是(     )

A., B., C., D.,

3.已知向量,,且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,则(     )

A. B. C. D.

4.圆截直线所得弦的长度为(     )

A.2 B.4 C.6 D.8

5.如图,在直三棱柱中,且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,则直线与所成的角为(     )

imagepage number 0

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A. B. C. D.

6.已知圆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:与圆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:交于、两点,则(     )

A. B. C. D.

7.若,满足,则的最小值为(     )

A. B. C. D.

8.过点,且与椭圆有相同的焦点的椭圆标准方程为(     )

A. B. C. D.

二、选择题:本题共3小题,每小题6分,共18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6分,部分选对的得部分分,有选错的得0分.

9.已知直线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:和直线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:,下列说法正确的是(     )

A.始终过定点 B.若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,则

C.若eqWmf183GmgAAAAAAAEADQAIACQAAAAARXwEACQAAA7UBAAACAKwAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJAAkADCwAAACYGDwAMAE1hdGhUeXBlAABgABIAAAAmBg8AGgD/////AAAQAAAAwP///6b///8AAwAA5gEAAAUAAAAJAgAAAAIFAAAAFALjAYAAHAAAAPsCIP8AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjTmgAg5A92iIAVdu4CEHYEAAAALQEAAAoAAAAyCgAAAAACAAAAMTIbAsABBQAAABQCgAEuABwAAAD7AoD+AAAAAAAAkAEBAAAAAAIAEFRpbWVzIE5ldyBSb21hbgDI05oAIOQPdoiAFXbuAhB2BAAAAC0BAQAEAAAA8AEAAAoAAAAyCgAAAAACAAAAbGwCAgADBQAAABQCgAEKARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEE1UIEV4dHJhALkRdkAAAADI05oAIOQPdoiAFXbuAhB2BAAAAC0BAAAEAAAA8AEBAAkAAAAyCgAAAAABAAAAbgAAA6wAAAAmBg8ATgFBcHBzTUZDQwEAJwEAACcBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHCERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINsAA8AAwAbAAALAQAPAQIAiDEAAA8AAQEACg8BAgSL/f9uAgCDbAAPAAMAGwAACwEADwECAIgyAAAPAAEBAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0AdiEAigIAAAoABgAAAByMZi0hAIoC7gIQdgQAAAAtAQEABAAAAPABAAADAAAAAAA=,则 D.当时,始终不过第三象限

10.已知直线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:与圆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:相交于,两点,则(     )

A.的斜截式为 B.圆的半径为

C.圆心在直线上 D.圆心到的距离为

11.已知正方体的棱长为2,E为的中点,F为上的动点,则下列说法正确的是(     )

A.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 B.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平面

C.直线与平面所成角的正切值为 D.三棱锥的体积为定值

第二部分(非选择题  共92分)

三、填空题:本题共3小题,每小题5分,共15分.page number 1

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