1 . 已知直线
(
是常数),则
与
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b065aeceff005abb6e1e388216f5948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
A.平行 | B.垂直 | C.重合 | D.无法确定 |
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2 . 如下图,直三棱柱ABC﹣A1B1C1中,∠ACB=90°,AB=2,BC=1,D为AB中点,则异面直线CD与A1C1所成的角的大小为
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573094986326016/1573094992109568/STEM/5f79e6c1093c40cb9c817052c6e7faa7.png)
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573094986326016/1573094992109568/STEM/5f79e6c1093c40cb9c817052c6e7faa7.png)
A.90° | B.60° | C.45° | D.30° |
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2016-12-04更新
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2卷引用:2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷
3 . 若直线
过点
,则
的最小值等于
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573094986326016/1573094992044032/STEM/1b7fa58cb0b84f76bedf8112ecdb5305.png)
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573094986326016/1573094992044032/STEM/97dd9d0058754709b42e8566bf15ef9d.png)
![](https://img.xkw.com/dksih/QBM/2016/10/26/1573094986326016/1573094992044032/STEM/4351c7f3a6364594a90cfbed74471a48.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2016-12-04更新
|
432次组卷
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2卷引用:2016-2017学年新疆库尔勒市四中高二上学期分班考试数学(理)试卷