浙江台州市2027届高三上学期第一次教学质量评估试题

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台州市2027届高三第一次教学质量评估试题

                    数学              2026.11

本试题卷分选择题和非选择题两部分.满分150分,考试时间120分钟.请考生按规定用笔将所有试题的答案涂、写在答题纸上.

选择题部分(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.椭圆的离心率为

A.                                    B. C.   D.

2.已知eqWmf183GmgAAAAAAAMADwAECCQAAAAATXAEACQAAA2oBAAACAJQAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAcADCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8b///+AAwAAhgEAAAUAAAAJAgAAAAIFAAAAFAJgAToAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjnGQChY9J1KDDYdQAAAAAEAAAALQEAAAoAAAAyCgAAAAACAAAAYVJGAgADBQAAABQCYAEwARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAB145nUdUAAAADI5xkAoWPSdSgw2HUAAAAABAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAzgAAA5QAAAAmBg8AHQFBcHBzTUZDQwEA9gAAAPYAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINhAAIEhggizgIAg1IAAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIQAAcAAAAAALwCAAAAhgECAiJTeXN0ZW0AdbMAigUAAAoABgAAALMAigUAAAAAqPEZAAQAAAAtAQAABAAAAPABAQADAAAAAAA=,复数eqWmf183GmgAAAAAAAEAFoAECCQAAAADzWgEACQAAA3IBAAACAJkAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAUAFCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///+b///8ABQAAhgEAAAUAAAAJAgAAAAIFAAAAFAJAAUwAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAMjnGQChY9J1KDDYdQAAAAAEAAAALQEAAAwAAAAyCgAAAAADAAAAemFpACgCFgIAAwUAAAAUAkABSAEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdeOZ1HVAAAAAyOcZAKFj0nUoMNh1AAAAAAQAAAAtAQEABAAAAPABAAAKAAAAMgoAAAAAAgAAAD0rNAIAA5kAAAAmBg8AKAFBcHBzTUZDQwEAAQEAAAEBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN6AAIEhj0APQIAg2EAAgSGKwArAgCDaQAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHWzAIoFAAAKAAYAAACzAIoFAAAAAKjxGQAEAAAALQEAAAQAAADwAQEAAwAAAAAA(为虚数单位),则“”是“”的

A.充分不必要条件 B.必要不充分条件

C.充要条件 D.既不充分也不必要条件

3.在的展开式中,含项的系数是

A.12 B.13 C.19 D.20

4.已知向量,满足,则向量在向量上的投影向量为

A.                             B. C.      D.

5.已知变量与变量线性相关,与的样本相关系数为,且样本数据的平均数分别为,,则关于的经验回归方程可能是

A.                        B. C. D.

6.已知正三棱台的上底面边长为1,下底面边长为2,体积为,则侧棱与底面所成角的正切值为

A.1                                       B. C.   D.2

7.已知矩形的顶点,在圆上,顶点,在直线上,则矩形面积的最大值为

A.                       B.8 C.  D.page number 0

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8.设定义在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上的函数的导函数为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,若存在常数,对任意实数,都有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,且当时,eqWmf183GmgAAAAAAAIAWwAIACQAAAABRSgEACQAAA1sDAAACAPAAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAoAWCwAAACYGDwAMAE1hdGhUeXBlAACAABIAAAAmBg8AGgD/////AAAQAAAAwP///6j///9AFgAAaAIAAAUAAAAJAgAAAAIFAAAAFALcAS4AHAAAAPsCBf7jAAAAAACQAQAAAAEAAgAQU3ltYm9sAHXjmdR1Q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g3RkABAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==的解集为

A.                         B.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 C.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  D.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

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.已知无穷数列满足:,,则下列选项不一定正确的是

A.若,则为等差数列   B.若,则为等比数列

C.若为等差数列,则   D.若为等比数列,则

10.已知定义在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上的函数,则

A.为偶函数     B.的最小正周期为

C.在上单调递增    D.的值域为

11.设为双曲线:上的一个动点,为坐标原点,以为底作正三角形(,,三点按逆时针排列),记点的轨迹为曲线,则

A.曲线是轴对称图形    B.曲线可以是某个函数的图象

C.点在曲线上    D.

非选择题部分(共92分)

三、填空题:本题共3小题,每小题5分,共15分.

12.在中,已知,,,则  ▲  .

13.设,是一个随机试验中的两个事件,且,,则  ▲  .

14.球面被一个不经过球心的平面所截,截得的圆称为球面的“小圆”.现有半径为的球,球面上作个半径相同的“小圆”,且任意两个“小圆”至多有一个公共点,则“小圆”半径的最大值为  ▲  .

四、解答题:本题共5小题,共77分.解答应写出必要的文字说明、证明过程或演算步骤.page number 1

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