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    这是一份广东省部分名校2022-2023学年高一下学期3月大联考数学试题,共10页。试卷主要包含了本试卷主要考试内容,如图,在正六边形中,,已知曲线,下列说法正确的是,已知函数的图象经过点,则等内容,欢迎下载使用。

    高一数学

    注意事项:

    1.答题前,考生务必将自己的姓名、考生号、考场号、座位号填写在答题卡上

    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。

    4.本试卷主要考试内容:人教A版必修第一册5.3至第二册6.2

    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   

    A B C D

    2.函数的最小正周期和最大值分别是   

    A3 B2 C3 D2

    3.下列函数为奇函数且在上为减函数的是   

    A B C D

    4.已知函数,则   

    A的图象关于点对称 B的图象关于直线对称

    C为奇函数 D为偶函数

    5.如图,在正六边形中,   

    A B C D

    6.已知曲线,则下面结论正确的是   

    A.把上各点的横坐标伸长到原来的2倍,纵坐标不变,再把得到的曲线向右平移个单位长度,得到曲线

    B.把上各点的横坐标伸长到原来的2倍,纵坐标不变,再把得到的曲线向左平移个单位长度,得到曲线

    C.把上各点的横坐标缩短到原来的,纵坐标不变,再把得到的曲线向右平移个单位长度,得到曲线

    D.把上各点的横坐标缩短到原来的,纵坐标不变,再把得到的曲线向左平移个单位长度,得到曲线

    7.已知两个单位向量的夹角为120°,则向量在向量上的投影向量为   

    A B C D

    8.为了研究钟表秒针针尖的运动变化规律,建立如图所示的平面直角坐标系,设秒针针尖位置为点.若初始位置为点,秒针从(规定此时)开始沿顺时针方向转动,若点P的纵坐标为y,则t的取值范围为   

    A B C D

    二、选择题:本题共4小题,每小题5分,共20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5分,部分选对的得2分,有选错的得0

    9.下列说法正确的是   

    A.平行向量不一定是共线向量

    B.向量的长度与向量的长度相等

    C是与非零向量共线的单位向量

    D.若四边形满足,则四边形是平行四边形

    10.已知函数的图象经过点,则   

    A

    B的最小正周期为

    C的定义域为

    D.不等式的解集为

    11.已知黄金三角形是一个等腰三角形,其底与腰的长度的比值为黄金比值(即黄金分割值,该值恰好等于),则下列式子的结果等于的是   

    A B

    C D

    12.如图,在平行四边形中,,延长DPBC于点M,则   

    A B

    C  D

    三、填空题:本题共4小题,每小题5分,共20分.把答案填在答题卡中的横线上

    13.已知单位向量满足,则________

    14.已知,则________

    15.已知函数是定义在上周期为2的奇函数,当时,,则________;当时,________(本题第一空2分,第二空3分)

    16.已知函数上有最大值,无最小值,则的取值范围是________

    四、解答题:本题共6小题,共70分.解答应写出文字说明、证明过程或演算步骤

    17.(10分)

    已知为第二象限角

    1)求的值;

    2)求的值。

    18.(12分)

    是不共线的两个向量,若

    1)若,且,求的夹角

    2)若ABC三点共线,求m的值

    19.(12分)

    已知函数

    1)求的单调递减区间;

    2)若,求的值.

    20.(12分)

    某同学用“五点法”画函数在某一个周期内的图象时列表并填入了部分数据,如下表:

    0

    x

     

     

     

    0

    2

     

    0

    1)请将上表数据补充完整,填写在答题卡上相应位置,并写出函数的解析式

    2)将的图象向左平行移动个单位长度,得到的图象。若的图象关于直线对称,求的最小值.

    21.(12分)

    中,

    1)求的值;

    2)若,求

    22.(12分)

    中,,且

    1)求A

    2)已知EBC的中点,点DAC上一点,且BDAE相交于点P,求

     

    高一数学参考答案

    1A 

    2D  的最小正周期,最大值为2

    3D  利用函数的图象易知为奇函数且在上为减函数,故选D

    4C  A错误;B错误;,所以是奇函数,C正确;易知,所以不是偶函数,D错误.

    5A  因为六边形为正六边形,所以

    6C  由题可知,把上各点的横坐标缩短到原来的,纵坐标不变,得到函数的图象,再把得到的曲线向右平移个单位长度,得到函数的图象,即曲线

    7D  因为,所以,故向量在向量上的投影向量为

    8B  y与时间t的函数关系式为,由题意可得,初始位置为,即初相为,故可得,则

    又函数周期是60(秒)且秒针按顺时针方向旋转,即

    所以,即

    ,则,解得

    9BCD  平行向量即共线向量,故A错误.为相反向量,所以模长相等,故B正确.是与非零向量共线的单位向量,C正确.,所以,则四边形是平行四边形,D正确.

    10BD  由题知,则,因为,所以A错误.的最小正周期B正确.令,则,所以的定义域为C错误.

    ,则,得,即,所以不等式的解集为D正确.

    11BCD  对于A

    对于B

    对于C

    对于D.故选BCD

    12ACD  因为在平行四边形中,所以,即MBC的中点,

    所以

    13  ,可得,平方可得,解得

    14  因为,则

    所以

    15    时,则,所以,所以,当时,

    16 

    由题可知,,所以,当时,

    所以解得

    17.解:因为为第二象限角,所以··················································2

    1)方法一:

    ·················································································4

    ················································································5

    方法二:

    ·················································································4

    ················································································5

    2··········································································7

    ···············································································10

    18.解:(1····································································1

    因为,所以·······································································3

    解得,则,所以的夹角···························································6

    2)因为······································································8

    ABC三点共线,所以存在,使得,即··············································10

    ,解得········································································12

    19.解:(1····································································2

    ,得·······································································5

    所以的单调递减区间为···························································6

    2)由,得

    ··············································································7

    因为,所以,则··································································9

    ·············································································12

    20.解:(1)根据表中已知数据,得···················································1

    ,可得··········································································2

    时,,解得·····································································3

    所以············································································4

    数据补全如下表:

    0

    x

    0

    2

    0

    0

    ·················································································6

    2)由(1)知,得································································8

    ,解得·······································································9

    由于函数的图象关于直线对称,令

    解得··········································································11

    可知,当时,取得最小值··························································12

    21.解:(1)因为

    所以,即·········································································3

    ················································································6

    2)因为,所以·······························································8

    ···············································································10

    ···············································································12

    22.解:(1)根据,可得····························································2

    所以············································································4

    ,所以·········································································5

    2)因为,所以,易知····························································6

    因为EBC的中点,所以···························································8

    因为,所以····································································10

    所以···········································································12

     

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