1 . 参数方程
(t为参数)所表示的曲线是
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974955003904/1572974960844800/STEM/8a77ba8413d94d74adf76ee113d2ffad.png)
A.一条射线 | B.两条射线 | C.一条直线 | D.两条直线 |
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2 . 平面直角坐标系中,点集
,则点集M 所覆盖的平面图形的面积为
![](https://img.xkw.com/dksih/QBM/2016/8/4/1572957052887040/1572957058506752/STEM/8e59bb4cebc94af28f8f96206420f2a5.png)
A.![]() | B.![]() | C.![]() | D.与![]() |
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3 . 已知点P的极坐标是
,则过点P且垂直于极轴的直线的极坐标方程是
![](https://img.xkw.com/dksih/QBM/2016/8/4/1572957052887040/1572957058342912/STEM/f872dd94915f49e89b628b341d880048.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若直线的参数方程为
(
为参数),则直线的倾斜角为
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572895283830784/1572895289663488/STEM/39193e4544474713a2ae034514942b09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.30° | B.150° | C.60° | D.120° |
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5 . 在平面直角坐标系
中,曲线C的参数方程为
为参数),则曲线C
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec065b819baea08fd662dcdb9b992b2d.png)
A.关于![]() | B.关于![]() | C.关于原点对称 | D.关于直线![]() |
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2016-12-04更新
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6 . 若直线
(
为参数)与直线
(
为参数)垂直,则
k的值是
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205463117824/1572205468770304/STEM/8e0f5a1c74614dc1a9297fc80e8cd29b.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205463117824/1572205468770304/STEM/bd7b9ae8fe5d4206880fde10cf3f6233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1334ce8a3f31654400f8cc971f88d85f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://img.xkw.com/dksih/QBM/2015/8/7/1572205463117824/1572205468770304/STEM/2233e3c0ce654128bfe657bd61d5842c.png)
A.1 | B.-1 | C.2 | D.-2 |
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7 . 设点P在曲线
上,点Q在曲线
(
为参数)上,求|
|的最小值( )
![](https://img.xkw.com/dksih/QBM/2015/7/2/1572161448820736/1572161454530560/STEM/b8f9c4e0d04e442da9b5badae7689bbb.png?resizew=57)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb6c250bb002096cd39254b76fccfdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://img.xkw.com/dksih/QBM/2015/7/2/1572161448820736/1572161454530560/STEM/d275f80cbc594761b29abee39cfc3dee.png?resizew=24)
A.1 | B.2 | C.3 | D.4 |
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8 . 点集![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0dea58c45c3bd7db8a12e487286b5e.png)
,若
,则b应满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0dea58c45c3bd7db8a12e487286b5e.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572148197441536/1572148203208704/STEM/da14cdf95ba8482389c17dbe7f8fb6f2.png)
![](https://img.xkw.com/dksih/QBM/2015/6/26/1572148197441536/1572148203208704/STEM/5546f131d3b849e4a4b61fa6c9cef075.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 圆
(
为参数)被直线
截得的劣弧长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049c5b36c2a3fdaa845fc23d43db9bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ab55147ca5c0f958af43b0637ee31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 极坐标方程
所表示的曲线是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579c2597336f27cc08ec34954b98904c.png)
A.一条直线 | B.一个圆 | C.一条抛物线 | D.一条双曲线 |
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7卷引用:【校级联考】福建省三明市三地三校2018-2019学年高二下学期期中联考数学(文)试题