1 . 已知全集
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ade5882e9476a1544328ba4728a96c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67070a68185686687076d9b73c49a441.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知向量
,非零向量
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a61b7005fda09413fcfea33c3e7b797.png)
___________ .(写一个向量坐标即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b2bcf3f08318480aaaaf138bbef11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a61b7005fda09413fcfea33c3e7b797.png)
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3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6352928c4a258265b912eef8a04569b4.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1930e4eaa270730ee1145de5fa593f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6352928c4a258265b912eef8a04569b4.png)
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4 . 已知函数
.
(1)当
,且
时,求
的值;
(2)若存在实数
,使得函数
的定义域为
时,其值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870a7e1c6303c19ce3e86368ee2f8f21.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba934874cc9f2ab272fdff67ea23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47af1ee63d6925c4cb2b6ede44c5669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 已知函数
.
(1)若对任意的
,不等式
恒成立,求实数
的取值范围;
(2)设函数
,讨论函数
的单调性并判断是否有极值,若有极值则求出极值;若没有极值,请说明理由(注:
是自然对数的底数).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762a5b8696fb13c3fa4d663c25ab1402.png)
(1)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c9b4c60a22fdcdf37494e67fd336b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d39af49ea9144f15672d7aabcb027ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
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6 . 直三棱柱
中,
分别为
,
的中点,点
是棱
上一动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dfbab1e71852936206dfb76c891cb5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe06eea0107d3d2991dc2fa02fc93b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.对于棱![]() ![]() ![]() |
B.棱![]() ![]() ![]() ![]() |
C.对于棱![]() ![]() ![]() ![]() ![]() |
D.棱![]() ![]() ![]() |
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839次组卷
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2卷引用:浙江省湖州市2021-2022学年高二下学期期末数学试题
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7 . 某国有芯片制造企业使用新技术对某款芯片进行试生产.在试产初期,该款芯片的I批次生产有四道工序,前三道工序的生产互不影响,第四道是检测评估工序,包括智能自动检测与人工抽检.已知该款芯片在生产中,前三道工序的次品率分别为
.
(1)①求批次
芯片的次品率
;
②第四道工序中智能自动检测为 次品的芯片会被自动淘汰,合格的芯片进入流水线并由工人进行抽查检验.已知批次
的芯片智能自动检测显示合格率为
,求工人在流水线进行人工抽检时,抽检一个芯片恰为合格品的概率.
(2)已知某批次芯片的次品率为
,设100个芯片中恰有1个不合格品的概率为
,记
的极大值点为
,改进生产工艺后批次
的芯片的次品率
.某手机生产厂商获得
批次与
批次的芯片,并在某款新型手机上使用.现对使用这款手机的用户回访,对开机速度进行满意度调查.据统计,回访的100名用户中,安装
批次有40部,其中对开机速度满意的有28人;安装
批次有60部,其中对开机速度满意的有57人.求
,并判断是否有
的把握认为芯片质量与用户对开机速度满意度有关?
附:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d687f2c0635415f57f8b9fa52e68918a.png)
(1)①求批次
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae10e6b19dddf4ff9b36938cc9a9b89b.png)
②第四道工序中智能自动检测为 次品的芯片会被自动淘汰,合格的芯片进入流水线并由工人进行抽查检验.已知批次
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc23fde986efa5e2ee7d55fb4e3370d.png)
(2)已知某批次芯片的次品率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44fed1be8b7e50f18cb90077d9fce8e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233ae3d4719641e1e59495b1a3de2a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233ae3d4719641e1e59495b1a3de2a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67716ac738ee2911a69bf4063110a5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/397b6e9f149219d03c5058a8148e2a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67716ac738ee2911a69bf4063110a5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67716ac738ee2911a69bf4063110a5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc3e36a8ddec055b2164ae365daf1326.png)
附:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b8ba7f5dda67f586dea74c46c0c05a.png)
![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() |
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8 . 某种包装的大米质量
(单位:
)服从正态分布
,根据检测结果可知
,某公司购买该种包装的大米1000袋,则大米质量在
以上的袋数大约是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d054641ff446b887f33eb644e576edbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c1cfc6b830dd859c80794b646fb66e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bff9ab6928005ef9f72000d7d0a1132.png)
A.5 | B.10 | C.20 | D.40 |
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3卷引用:浙江省湖州市2021-2022学年高二下学期期末数学试题
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9 . 学校有
两个餐厅,小明同学的早餐和午餐一定在其中某个餐厅用餐.如果小明同学早餐在
餐厅用餐,那么他午餐也在
餐厅用餐的概率是
;如果小明同学早餐在
餐厅用餐,那么他午餐在
餐厅用餐的概率是
.若小明同学早餐在
餐厅用餐的概率是
,那么他午餐在
餐厅用餐的概率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10 . 如图,三棱柱
中,点
在平面
内的射影
在线段
上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/28/23922da5-ee67-40b1-9d02-4dcaca87f354.png?resizew=257)
(1)证明:
;
(2)设直线
与平面
所成角为
,求二面角
的平面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea07c1e3aea17f104399edabbab9861.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/28/23922da5-ee67-40b1-9d02-4dcaca87f354.png?resizew=257)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1515a445310d259a080d02e16c2e58e.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c6ee40dff32baf8ffbf3cd4562c25a.png)
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3卷引用:浙江省湖州市2021-2022学年高二下学期期末数学试题