名校
解题方法
1 . 已知随机变量
,且
,则
的展开式中
的系数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6cc3dd6009275f75ee29986f326f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99af6900cb2b6c20468319bca931ed48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db189bb95eb5bf65cd37146404fe87dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
A.40 | B.120 | C.240 | D.280 |
您最近一年使用:0次
解题方法
2 . 如图(1),在梯形
中,
,
,点
在边
上,且四边形
是正方形,现将正方形
沿直线
折起,使得平面
平面
,得到如图(2)所示的三棱锥
.若
是棱
的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4864c21e9664fa9111ede6425b09563a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58da8c45280be1a7f15730f0c7900989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e668c528702b7b13f7b02fa859b0fab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0568f3154ff5f3f7b374a2f84db403ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 若斜率为1的直线
与曲线
和圆
都相切,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190b9ce555e91dc891a3e80fc776fd1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.1 | C.3 | D.![]() |
您最近一年使用:0次
4 . 已知数列
的前
项和
满足:
,且
,则
被8整除的余数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a410daf3250f35e984bd84da4f40be9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4144938a510e531b8e25bc102c2ca86.png)
A.4 | B.6 | C.7 | D.5 |
您最近一年使用:0次
名校
5 . 在平面直角坐标系
中,已知点
为抛物线
:
上一点,若抛物线
在点
处的切线恰好与圆
:
相切,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d23fc512ad69a2d5919ce690407704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c2f156b05838deaae6a35acad242af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c2d594684337ce067467e2a0ab1bb2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
155次组卷
|
2卷引用:江苏省南通市如皋中学2024届高三下学期高考适应性考试(三)(3.5模)数学试题
名校
6 . 已知集合
,
,则集合
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b2dd1406ed80ec2cd05b4116772b41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8de24f0d18f75bbd9ef67a5efe5d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.32 | B.16 | C.8 | D.4 |
您最近一年使用:0次
7日内更新
|
446次组卷
|
2卷引用:江苏省南通市如皋中学2024届高三下学期高考适应性考试(三)(3.5模)数学试题
名校
解题方法
7 . 已知
,
,直线
与曲线
相切,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f5555cca572226769d0bc9891f3323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ba801dc082ef554e184c1cec31543b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
解题方法
8 . 设
,当
变化时
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd54a4134aef3f68a9c068ee4dade284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf27e0ac992edacdf11c649113e9445e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024高三·全国·专题练习
9 . 点
是双曲线
上任意一点,在点
处作双曲线的切线,交渐近线于
两点,已知
为坐标原点,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe070bbd212e64ee71cd3d6c6b3612c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
10 . 已知
,
都是正实数,若向量
,
,且满足
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d769ab21af5365d3c00dc617375ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2443e72f8124a71683b6751f5eef003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812e4364e2827b9158005bf161ac1748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.50 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次