名校
1 . 如图,
是水平放置的
的斜二测直观图,其中
.则以下正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd42fdf8daca42f6ce8181a0422197c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知复数
满足
,
为虚单位,则复数
在复平面内对应的点在![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4bbbe4f864e71126f995b460803762f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2638500ed689efadfcb7b61b7b54b717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4bbbe4f864e71126f995b460803762f.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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3 . 当
时,
恒成立,则整数
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780861fb7fe30e3b2a819ad0d1038717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知向量
,
满足
,且
,则向量
,
夹角的余弦值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2da5b4b2bd4ffbf06d227262a95031c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e55eab01bc989f835c14c8baa164b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2024-05-22更新
|
751次组卷
|
2卷引用:福建省莆田市2024届高三第四次教学质量检测(三模)数学试题
2024高三下·全国·专题练习
名校
解题方法
5 . 已知
的展开式中各项的二项式系数之和为
,各项的系数之和为
,若
,则展开式中的常数项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4cd892f50b8cdc9a9d9130d87016b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f009df967f18e3f800df3b509fcf14e3.png)
A.180 | B.60 | C.280 | D.240 |
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6 . 已知抛物线
)的焦点为F,点
在抛物线C上,且
,则抛物线C的准线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfdade66272ca9272dfe0a5a6566d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea514dfe26bd6641b483c4b176ad47c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 设数列
的前n项和为
,则“
是等差数列”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff649095d81869f7ae245025bcf98b6b.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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解题方法
8 . 已知一个直三棱柱的高为
,如图,其底面
水平放置的直观图(斜二测画法)为
,其中
,则此三棱柱的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc94fe3950e39374865da71c8e0decc.png)
A.![]() | B.2 | C.4 | D.5 |
您最近一年使用:0次
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解题方法
9 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e7c5ca81c4596304c81e923d417ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec202436fb720dba3beae7924ecd78cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
472次组卷
|
3卷引用:福建省莆田市2024届高三第四次教学质量检测(三模)数学试题
名校
10 . 已知
是同一平面的三个向量,
.
(1)若
,且
,求
的坐标;
(2)若
,且
,求
与
夹角
的正切值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab464eea99514b65a735b5ac8bcc4d2a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52cbb1365e7a6188515d14ae1d2dd94e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10be0cccbe32bdffc57c9e605304add7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79f6334020e6432cb0f7ee4161ccd2f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次