名校
解题方法
1 . 已知
是边长为1的等边三角形,D在边BC上,且
,E为AD的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fc30fe92ea3aa9a6e2612967c34a82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191263a483f3eebda09ca852e7799196.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知直线
平面
,直线
平面
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df740160690029ac1e730c85f20347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7510e95c416ad0e64990204b38e3784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed6f6eca4ec7116f707b65bfb4b1d43.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
3 . 计算:
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c874089ab94b6a2816da7ad3cfec31.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
今日更新
|
98次组卷
|
3卷引用:江苏省南通市海安高级中学2023-2024学年高一下学期第二次月考数学试题
4 . 正方体
中,
,
分别在
上,且
,
,则下列正确的有( )个
①
,②
,③
,④点
到平面
距离为1
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564a9f661332d97d09e82dfd6f499d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0963c102bfc6da34a4e8c4e16d503065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac240e81e4dbf3097c843b75235ec661.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e89457e4eafe86d2c6f404f967c753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661df691bacf67f20557fef29c1af1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6469878a955cc09fac22ba5aea3fb962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028856d5101687dd8eaf130846489cfd.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
5 . 若2名女生4名男生排成一排,则2名女生不相邻的排法有( )种.
A.120 | B.240 | C.360 | D.480 |
您最近一年使用:0次
名校
6 . 如图,平行四边形
中,
,
.现将
沿
起,使二面角
大小为120°,则折起后得到的三棱锥
外接球的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cc201327a8ee3fd646948d3f0c5d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282d4a8c3476b2b81e3fd73898e64539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3931333820859378ea6723ff3075189.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
今日更新
|
526次组卷
|
3卷引用:江苏省南京市东山高级中学南站校区2023-2024学年高一下学期期末考试数学试卷
7 . 若
,
,
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ab4c0f3e6ac348c8ab387c15e20d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0369f74c467f3dccef974c444492c547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5237d25fdd7de73c956c6d3b4762fa07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed6ed1283718f746105c18bd8b72c3b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知双曲线
:
的左,右焦点分别为
,
,过
的直线与双曲线
的右支交于
,
两点,且
,则
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ff8a5886e42095da57422c8777c10d.png)
A.20 | B.22 | C.28 | D.36 |
您最近一年使用:0次
9 . 下列叙述中,是离散型随机变量的是( )
A.某电子元件的寿命 |
B.某人早晨在车站等出租车的时间 |
C.高速公路上某收费站在一小时内经过的车辆数 |
D.测量某零件的长度产生的测量误差 |
您最近一年使用:0次
10 . 3600的正因数的个数是( )
A.55 | B.50 | C.45 | D.40 |
您最近一年使用:0次