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解题方法
1 . 已知
(
为虚数单位),则在复平面内,复数
对应的点位于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7713e667b1fdd76a22193a83ea00e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.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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2 . 已知
,若将它的图象向右平移
个单位,得到函数
的图象,则函数
图象的一条对称轴的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306a1cd8c31c153afbc3d4c88950c27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-05更新
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991次组卷
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2卷引用:2017届海南省海南中学、文昌中学高三下学期联考数学(文)试卷
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3 . 抛物线
与坐标轴的交点在同一个圆上,则交点确定的圆的方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d794141572c8b1e70957754f32b9eb.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
4 . 如图,在三棱柱
中,底面
是边长为2的等边三角形,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/10/920a63cc-10d2-4367-bef2-4babe856ccba.png?resizew=164)
(1)求证:
平面
;
(2)若四边形
和
都是正方形,求多面体
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/10/920a63cc-10d2-4367-bef2-4babe856ccba.png?resizew=164)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd597851c0db4e4de4769e10e09383b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bca84ad86c648d3bb20c8909c8da3f.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a89b167e964aecdf9836ec6de5a911f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e793c52fdd16cc602eaf753964ec02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af10c8c2f8a65ebed645e560e24a887a.png)
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5 . 设命题
,
;命题
,
,则下列命题为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16b31ef27109afb531acf8f249a8f77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf7a904df8f22e3f1e26a4116eb7913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a018e5efa24f7d16ebc676dc890db104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd27759d2ec9919e72f082bd857507b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-05更新
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702次组卷
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8卷引用:2017届海南省海南中学、文昌中学高三下学期联考数学(文)试卷
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6 . 已知两个非零向量
与
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54849c4e457eee968735dfc871604b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6528ebec5f3771a7a50e51d6d63666d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b39054d458c3426664e66222845ea81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54849c4e457eee968735dfc871604b38.png)
A.-3 | B.-24 | C.12 | D.21 |
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7 . 选修4-5:不等式选讲
已知不等式
的解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c55bdab662f2bb3c8af0448f7ec5554.png)
(Ⅰ)求
的值;
(Ⅱ)若函数
有零点,求实数
的值.
已知不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdccc0769e469a80c2fec93141ea1cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c55bdab662f2bb3c8af0448f7ec5554.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1af840b684648b1b1baffb82da895d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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8 . 一个棱锥的三视图如图所示,其中侧视图为正三角形,则四棱锥的体积是__________ .
![](https://img.xkw.com/dksih/QBM/2017/4/2/1657222295396352/1659057327448064/STEM/ed770a037fbc4c2592cde79d4e86653d.png?resizew=149)
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9 . 在正项等比例数列
中,已知
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254a20fd934f5a93c3d5074c44438735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d242685d6f94473aee0e8c36531610c.png)
A.64 | B.32 | C.16 | D.8 |
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10 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965d2d73758b85624d1a5336dde5e2fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d124ab0b430f3a9b9b484cb1d3e89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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