名校
1 . 已知全集
,集合
,若
有4个子集,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b68095137c7e5a3e90af74b515d33f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5c5c7e2b86320b6d4204815f685ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c093cbde3d3472d1f7f2b0dff2bc4881.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
A.![]() | B.集合![]() |
C.![]() | D.![]() |
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解题方法
2 . 已知集合
,
,若
,则满足集合A的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a33334b0cbae732ada07cef16f710ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9118342b2307d03c8099f16e7426b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86deab5710e71c8b99691867420619bd.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
3 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
,
,
,则
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68f1205a3d4a24810d0fe9c913583a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76e9af6e45d843d4e5f8c8d564105d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5245385fe5ec570e6fcfcdfb9e922a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知
,
是两条不同的直线,
,
,
是三个不同的平面,下列命题为真命题的是( )
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.![]() ![]() ![]() ![]() |
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5 . 已知函数
的图象在点
处的切线方程是
,若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2caf6048aa0807d8ba591963ff6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92acace17d43431c5d414cdc3b624fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ceb385953f6e800476817eb3bb16ed8.png)
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6 . 过点
,且焦点在
轴上的抛物线的标准方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eacd38727f29b2c2c68ee309080fee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
7 . 在
中,三个内角
,
,
所对的边分别为
,
,
,且
,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/f7ed7256de21ed91a2be967a96888600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
A.1 | B.2 | C.![]() | D.4 |
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解题方法
8 . 世界三大数学猜想分别为:“费马猜想”“四色猜想”“哥德巴赫猜想”,其中“四色猜想”和“费马猜想”已经分别在1976年和1994年荣升为“四色定理”和“费马大定理”. 如今,哥德巴赫猜想仍未解决. 目前最好的成果“
”由我国数学家陈景润在1966年取得,即任何不小于4的偶数,都可以写成两个质数(素数)之和. 若将22拆成两个正整数的和,在拆成的所有和式中任取一个和式,加数全部为素数的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00860a6a9f7275e3d61e519b63802dd4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 已知函数
为偶函数,若函数
的零点个数为奇数个,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92146c133ba2bdbda499f5af2bdda022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6aeed19e3b51453904fe44d5f4c247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92682840e2a230de346562b2032f8adb.png)
A.1 | B.2 | C.3 | D.0 |
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10 .
的展开式中
的系数为________ .(用数字作答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34f5f2120610a74547e21a0d82ef61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d800f03de80068a1172beac3a2c75587.png)
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