名校
解题方法
1 . 下列说法正确的是( )
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.函数![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2024-03-01更新
|
226次组卷
|
2卷引用:江西省萍乡市2023-2024学年高一上学期期末考试数学试题
2 . 若把函数
的图象平移,可以使图象上的点
变换成点
,则函数
的图象经此平移变换后所得的图象大致形状为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db929d2a696f5143d789726e28159560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ecfca4a090b78015210871850538361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c61bf7032d0198ab25955d45ef9b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 抛物线
:
(
)的焦点为
,准线为
,过
的直线与
相交于
,
两点,且满足
,
在
上的射影为
,若
的面积为
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cb3d055cd1e7f14afd156a44e2400c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca1f167ece5d18225840af97b39af9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.![]() | B.![]() | C.![]() | D.9 |
您最近一年使用:0次
4 . 下列命题为真命题的是( )
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2024-02-21更新
|
218次组卷
|
2卷引用:江西省萍乡市2023-2024学年高一上学期期末考试数学试题
5 . 已知
,
,
是空间中两两垂直的单位向量,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc77296bfe6aa66b85eefcda5097857e.png)
A.![]() | B.14 | C.![]() | D.2 |
您最近一年使用:0次
解题方法
6 . 已知
,且满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43bd363a819f262f6932c06f9c55d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66665708dcfc49afba961da65dad23f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.0 | B.2 | C.4 | D.8 |
您最近一年使用:0次
解题方法
7 . 甲、乙两选手进行象棋比赛,已知每局比赛甲获胜的概率为0.6,乙获胜的概率为0.4,若采用三局二胜制,则乙最终获胜的概率为( )
A.0.36 | B.0.352 | C.0.288 | D.0.648 |
您最近一年使用:0次
8 . 已知函数
是定义域为R的偶函数,且在
上单调递减,若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e63fc1514bf033da290fd9f4b35c9a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b8ef2cacfc0e45211458ec09cfdad05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a26274e33bd27167551874e51bd910c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e16c891f7401659c31456b6144edbd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 太空中水资源有限,要通过回收水的方法制造可用水,回收水是将宇航员的尿液、汗液和太空中的水收集起来经过特殊净水器处理成饮用水循环使用.净化过程中,每过滤一次可减少水中杂质10%,要使水中杂质减少到原来的1%以下,至少需要过滤的次数为(参考数据:
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8288e1d872c6b5872b84a32469ff9e76.png)
A.42次 | B.43次 | C.44次 | D.45次 |
您最近一年使用:0次
解题方法
10 . 已知集合
,若
,则a的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cd7f58d36d9e56af4d39b667438519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f675eefeacfddb5098894bbe2fcd0f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次