名校
1 . 已知向量
,
,则“
”是“
和
的夹角是锐角”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3c8f3a0ebe2ba858d21357c9ec3217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22541e15379c71d6293b38ee1118fd96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a31acb92a54dc541176a3eb03c32697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分又不必要条件 |
您最近一年使用:0次
昨日更新
|
411次组卷
|
2卷引用:江苏省苏州市2024届高三下学期第三次模拟检测数学试卷
名校
解题方法
2 . 设
为虚数单位,若复数
满足
,则
在复平面内对应的点在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e17abfb38f282d694254d15be48a914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
7日内更新
|
329次组卷
|
3卷引用:江苏省苏州市2024届高三下学期第三次模拟检测数学试卷
解题方法
3 . 已知
分别为双曲线
的左、右焦点,过
作
的渐近线的平行线,与渐近线在第一象限交于
点,此时
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f43a8e4ba3c9573ffd8571ebd3a2fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
4 . 对于函数
,若存在实数
,使
,其中
,则称
为“可移
倒数函”,
为“
的可移
倒数点”.设
,若函数
恰有3个“可移1倒数点”,则
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a9d2955a061200043e15bbe1e912c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fbecca12ee62538020483fd55a2109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc221f5c1f3a4ece732bc96398d2d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 酒驾是严重危害交通安全的违法行为.为了保障交通安全,根据国家有关规定:
血液中酒精含量达到20~79mg的驾驶员即为酒后驾车,
及以上认定为醉酒驾车.假设某驾驶员喝了三两白酒后,其血液中的酒精含量上升到了
.如果在停止喝酒以后,他血液中酒精含量会以每小时
的速度减少,那么他至少经过几个小时才能驾驶?( )(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a43f02606f0d5d3dbbed19298ed6f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f686ea5c620ce9d479fc734a7d0fa15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af8aced46712fa69403300dd3cfa7c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51efd0ca4b6c3d42afdc6b8feb330a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eff3790c38be6def61e721d82a8a471.png)
A.8 | B.7 | C.6 | D.5 |
您最近一年使用:0次
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8cd0b152fb7d753dccbd57e54d81b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知
,且
在
方向上的投影向量为单位向量,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb413a0cf5b464f96c79a76ff68015d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4e49d17d4ad440d37c6f4bc8daba25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd8759a145547dbc5a95b372b5dd1f6.png)
A.4 | B.![]() | C.![]() | D.6 |
您最近一年使用:0次
8 . 记
“
的不同正因数的个数”,
“
的展开式中
项的系数”,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9163ebe812708ee5337d62298c2e3363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74c6091504af98fdf10ef560ecef1fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ab83c2c0bbcaabc2a177855d55d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d74b0b6308dfbefc2ab456e53e108aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e49e85c53ef44877c6cd124243fa9c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知复数
(
为虚数单位),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec94a222db0a1290b1be2fc81d4d4a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图是一块高尔顿板的示意图,在一块木板上钉着若干排相互平行但相互错开的圆柱形小木钉,小木钉之间留有适当的空隙作为通道,前面挡有一块玻璃.将小球从顶端放入,小球下落的过程中,每次碰到小木钉后都等可能地向左或向右落下,最后落入底部的格子中.记格子从左到右的编号分别为
,用
表示小球最后落入格子的号码,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3b4d1f155a1dc8318e5a24f46b0845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d508c53381b56750024e1786a1c323a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e862c8a8dfca5ab54e54f0d8ba3cd4.png)
A.4 | B.5 | C.6 | D.7 |
您最近一年使用:0次