1 . 如图为棱长是1的正方体的表面展开图,在原正方体中,给出下列三个命题:
①点
到
的距离为
;
②三棱锥的体积是
;
③与
所成的角是
.
其中正确命题的个数是( ).
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2 . 如图,正三棱柱
的主视图是边长为4的正方形,则此正三棱柱的左视图的面积为( )
![](https://img.xkw.com/dksih/QBM/2017/7/8/1732911359795200/1790266705125376/STEM/9d88d9064ff04f9a892d27bf02f50f02.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://img.xkw.com/dksih/QBM/2017/7/8/1732911359795200/1790266705125376/STEM/9d88d9064ff04f9a892d27bf02f50f02.png?resizew=192)
A.16 | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知函数
,若存在
,使
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fe869b79a3877ddfdf119d08e03bdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0859193546c5de9bc4f42303e6c89ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238d3f1258b9565ac6e19bfa7ea79f46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-10-08更新
|
1043次组卷
|
2卷引用:福建省2017年数学基地校高三毕业班总复习 三角函数 形成性测试卷(理科,A卷)
4 . 设函数
(
,
,
是常数,
,
.若
在区间
上具有单调性,且
,则
的最小正周期为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3cc54494805921ead2e41fac183f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243d82bc9608f03074e6dc8409b98e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 下列函数中,最小正周期是
的偶函数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知
是球
的直径
上一点,
,
平面
,
为垂足,
截球
所得截面的面积为
,则球
的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc9d89c425ca5ceb0fa490ec7a93e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9609625b502348556ff8ba32deac8caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 若一个正四面体的表面积为
,其内切球的表面积为
,则
=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,
平面
,平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
平面
,过
,
的直线
,
分别交
、
于
,
和
,
,若
,
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/101e7665-34eb-4f9d-a8e9-ce19f1505a7d.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.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/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.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/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0268d04b9dea7629af27af9a0285a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64e0206b1814c35cc96bd2b6b12239a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/101e7665-34eb-4f9d-a8e9-ce19f1505a7d.png?resizew=164)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-10-08更新
|
625次组卷
|
2卷引用:福建省2017年数学基地校高三毕业班总复习 立体几何 形成性试卷(文)
9 . 已知甲、乙两名同学在五次数学单元测验中得分如下:
则甲、乙两名同学数学成绩( )
学生甲 | 68 | 72 | 70 | 69 | 71 |
学生乙 | 69 | 72 | 68 | 73 | 68 |
A.甲比乙稳定 | B.甲、乙稳定程度相同 |
C.乙比甲稳定 | D.甲平均分比乙低 |
您最近一年使用:0次
名校
10 . 《九章算术》是人类科学史上应用数学的最早巅峰,在研究比率方面的应用十分丰富,其中有“米谷粒分”问题:粮仓开仓收粮,粮农送来1 534石,验其米内杂谷,随机取米一把,数得254粒内夹谷28粒,则这批米内夹谷约( )
A.134石 | B.169石 | C.268石 | D.338石 |
您最近一年使用:0次
2017-10-08更新
|
551次组卷
|
2卷引用:福建省数学基地校2017届高三毕业班总复习 概率与统计平行性测试数学(理)试题