1 . 在平面直角坐标系
中有不共线三点
,
,
.实数
满足
,则以
为起点的向量
的终点连线一定过点
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/8fd2ec59051647e9a14d75691146a6df.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/df816f4bfb38458898bed72771ca2e2d.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/ff7aabbf4fbe414eac2f74a5f0ea5165.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/2d74b869c8ec439e9c71b34340deb807.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/7ce48307abc6497286131f1dd6bb23d1.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/3a82c15d97664a63a57cef2ba1ec7f3f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/cf7bd5a5fe1c43e68a9e043d784afbeb.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647464181760/1572647470194688/STEM/3bd042626f324ba78a3f81316daa027f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-04更新
|
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2卷引用:2016届海南省海南中学高三考前高考模拟七理科数学试卷
2 . 已知在平面直角坐标系
中,角
的终边在直线
位于第一象限的部分,则![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/86b3f28384b64a5896f0674ad2e71809.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/081821985962441ead830418c7563a80.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/3fb965f0a68147caa2c1f8ac68f93d97.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/a8016a55e44f4cac8491ac415f6c814f.png)
![](https://img.xkw.com/dksih/QBM/2016/5/25/1572647610482688/1572647615553536/STEM/86b3f28384b64a5896f0674ad2e71809.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
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2卷引用:2016届海南省海南中学高三考前高考模拟七理科数学试卷
3 . 已知函数
(ω>0)的最小正周期为4π,则该函数的图像
![](https://img.xkw.com/dksih/QBM/2016/3/25/1572557501038592/1572557506912256/STEM/f9b24514f22c4ad7bee07687be3659fe.png)
A.关于直线x=![]() |
B.关于直线x=![]() |
C.关于点(![]() |
D.关于点(![]() |
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4 . 设向量
=(2sin α,1),
=(1,cos α),且
∥
,则锐角α为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696bf63a3a726968a19b8927be5a2112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0928087301c0628fba2a9cd3af14f34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696bf63a3a726968a19b8927be5a2112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0928087301c0628fba2a9cd3af14f34d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 函数
的部分图象如图所示,则将
的图象向左平移
个单位后得到的图象解析式为
![](https://img.xkw.com/dksih/QBM/2016/3/18/1572545467555840/1572545473454080/STEM/1e68357568254a90baa3d67aa4deab05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71b7f6e8cdf3f21e2184446af1e0256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ecc1c16f2874ef4b7e0d6aed9db0b5.png)
![](https://img.xkw.com/dksih/QBM/2016/3/18/1572545467555840/1572545473454080/STEM/1e68357568254a90baa3d67aa4deab05.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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解题方法
6 . 已知向量
若
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03dc2bd59e3056e4d997fdf7302b386a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8274378b76b5555ad74e7ded99e73101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a767ad5d9c710e768dcdc69d6cf0fcd2.png)
A.![]() | B.![]() | C.2 | D.4 |
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2016-12-04更新
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1241次组卷
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6卷引用:2016届海南省文昌中学高三上学期期末考试理科数学试卷
13-14高三上·湖北·阶段练习
7 . 若
,且
,则实数
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9365717dcdebcb522457ddc5d7cf25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c3609193febafa0a3bfc6468f3c4ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.![]() | C.1或 ![]() | D.1或10 |
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2016-12-02更新
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3卷引用:2016届海南省海南中学高考模拟十文科数学试卷