1 . 已知
,
,则集合
中的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fa41f5ba8e51608c37ad5a83f40d46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18ef633e2a3ac116c78f16ba43d207f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.0个 | B.5个 | C.6个 | D.无数个 |
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解题方法
2 . 已知函数
是定义域为
的奇函数,当
时,
.则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f762c96e3ac6d45248ff06ebd7a6e0d8.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.当![]() ![]() |
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解题方法
3 . 如图,
分别是二面角
的两个半平面内两点,
,
,
,
,若
,则异面直线
的夹角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/102873a2-a25d-4a2c-a9ae-0fe87dd2b1cc.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ce3f859c6b9a0cfc98bdf5b3d0f395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b10cbf59275342f404635f7edcc4de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed625e17c7a100737267c5f637115ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc8599552510da91a18a5f3100be24b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9556203c3dbab70338169879266509b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e4d7503a7d57ba242ad4e05c7006a0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/21/102873a2-a25d-4a2c-a9ae-0fe87dd2b1cc.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知
,
为异面直线,
平面
,
平面
.若直线
满足
,
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f979a27d3a09a17445561091e6655eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13761925fc1f25fd654a4b829032c8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dedfa42c16dd0aefa2928a6e41f3dba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed6f6eca4ec7116f707b65bfb4b1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c9b2c3117321788078867bd0701743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039b3253795ea8487f13bd52a6ff4af7.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() | D.![]() ![]() ![]() |
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5 . 已知复数
,则
的虚部是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4ea59ec69e292076081f0d74fd75d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 双曲线
的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d2520d48c929f9f50d1365f43ed503.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
7 . 已知函数
,若
且
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e863ea4f1e8af63d06ad88a235a48f.png)
![](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/219ba6c8a1b54598db1a78cab28d9d30.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 设
,
,
,
为实数,且
,则下列不等式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a297977dc2f26f5a3109f824fdc9699.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 在圆
内,过点
的最长弦和最短弦分别是
和
,则四边形
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc254cd75352e3eab46b26dbc63dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.6 | B.8 | C.12 | D.24 |
您最近一年使用:0次
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解题方法
10 . 函数
满足:
,
,当
时,
,
,则
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8670dd425e026fab8c0bcfc08b8170fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c08d4d681c6e84e695b2a467dde8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb969de98e32f56f9610c213823489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e83078a2a7403f150dba815092ed861.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次