名校
1 . 已知
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c0bed15b1ac7682492a12af40ed3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30416a3ae04941c3b087a2dad6432f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . i为虚数单位,计算
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae916c2f6cb1041e86a94a5a98520efb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 下列函数是奇函数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee6007c9e6ec1fd9462692df724dc30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a47912e1de18eb3e2f6bc2c1960e383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 若
,则下列不等式一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图,在
中,
,
分别是
,
的中点,若
,则向量
可表示为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ba495e8f9fe02229a4248fdbfb4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 命题“
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1b4c3a6c4e40b6bb6002ebf5e53fdc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc4a92d017d555caafd1c72d3b48f0f.png)
A.![]() ![]() | B.![]() | C.![]() ![]() | D.![]() |
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解题方法
9 . 三个数
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42a79c0caf574c5ae869d1d86e00f18.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
10 . 在
中,
,
,
满足条件的
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54a36173cd9b7b28e91619d715cb569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.不能确定 | B.无解 | C.有一解 | D.有两解 |
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