名校
1 . 在棱长为2的正方体
中,点
满足
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167c13c894f6d448cda166ac5f2a81e7.png)
A.当![]() ![]() ![]() ![]() |
B.任意![]() ![]() |
C.存在![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 正方体
,棱长为2,点
满足
,其中
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b545127bd51036a5a7b0d3cd5b320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 如图,正八面体
棱长为2,P为棱MC上一动点(不含端点).下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5850fcf863554545a5bfa749abeead18.png)
A.存在点P,使得![]() |
B.当P为棱MC的中点时,正八面体表面从N点到P点的最短距离为![]() |
C.异面直线AP和MD所成角随PC的增大而减小 |
D.以正八面体中心为球心,1为半径作球,球被正八面体各个面所截得的交线总长度为![]() |
您最近一年使用:0次
4 . 如图,已知二面角
的平面角为
,棱
上有不同的两点
,
,
,
.若
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7a3159579864a8ea0ab42005144864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bc14b78cdd59d30c0545059ee7b6ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ee0ddf2508e7f07ffbe5635033c931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c638fb895acd987140d0ca6bef097499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb0a2d7d40a6c0bf1fddb802db381689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9b9d23b4f8dd581461004689d0b863.png)
A.点![]() ![]() |
B.直线![]() ![]() ![]() |
C.四面体![]() ![]() |
D.过![]() ![]() |
您最近一年使用:0次
解题方法
5 . 如图,矩形
中,
,
为边
的中点,将
沿直线
翻折成
(点
不落在底面
内),若
在线段
上(点
与
,
不重合),则在
翻转过程中,以下命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80f51c31583fea58fde645474d60b8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa2a83fed9bf4cb09d84a980452e346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
A.存在某个位置,使![]() |
B.存在点![]() ![]() ![]() |
C.存在点![]() ![]() ![]() ![]() |
D.四棱锥![]() ![]() |
您最近一年使用:0次
2024-05-04更新
|
723次组卷
|
9卷引用:四川省成都市天府第七中学2023-2024学年高二下学期3月月考数学试卷
名校
解题方法
6 . 如图,在矩形ABCD中,
,
,M是AD的中点,将
沿着直线BM翻折得到
.记二面角
的平面角为
,当
的值在区间
范围内变化时,下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46356d335bec7688dc90f33ac9213d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9052adaffb2d28fd9a3cd737a9b4ef28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
A.存在![]() ![]() |
B.存在![]() ![]() |
C.若四棱锥![]() ![]() ![]() |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
2024-04-30更新
|
609次组卷
|
3卷引用:江苏省南京市南京师范大学附属中学2023-2024学年高二下学期期中考试数学试卷
7 . 如图,在棱长为
的正方体
中,
是
的中点,点
是侧面
上的动点,且
截面
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b724168afaee2ecddf97257180be18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3123da0313d458c833e82aaa234b9117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a211ad5a06b505b8365a62c1946f3cb7.png)
A.直线![]() ![]() |
B.点![]() ![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
解题方法
8 . 在正四棱锥
中,
,
,点
满足
,其中
,
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd3eb538f36e6e722e4ce125266b99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ad040b00b7a307c28dd15829d00a9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79296cd4046a71e163a8f3e647a176ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994fe2e2ccff825adfe4567a84e0fd79.png)
A.![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
9 . 如图,棱长为
的平行六面体
中,
,点
分别是棱
的中点,
与平面
交于点
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d847859a29c255d4a91679ea6c979a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b11b45b1ae99a58e5aac679974dabcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92178a5c6a76586292f622da298a8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ce50ba5e349425274f05d46d120a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
A.![]() ![]() |
B.直线![]() ![]() ![]() |
C.![]() |
D.三棱锥![]() ![]() |
您最近一年使用:0次
10 . 在正方体
中,动点
满足
,其中
,
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6168a14ce666e3212158413e428f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6423de2f7218cb6203393aaf188fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6612afffccf731637a818d5732e5ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4724421cffc6f0a2f8db1103b2cc587b.png)
A.对于任意的![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次