名校
解题方法
1 . 如图,在三棱锥
中,
,
,
,
为
的中点,点
是棱
上一动点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556730806272/2973106767036416/STEM/6a23df76-c75c-4356-94a4-f8d00530a460.png?resizew=219)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4957406b21df59fdf7fa184752287b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1082dd7e08556354aa7d4861d419e4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b4c1ae9c57d51e27bbdb001122d3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556730806272/2973106767036416/STEM/6a23df76-c75c-4356-94a4-f8d00530a460.png?resizew=219)
A.三棱锥![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
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2022-05-05更新
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1009次组卷
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4卷引用:湖南省岳阳市第一中学2022届高三下学期一模数学试题