名校
解题方法
1 . 下列说法中,正确的有__________ .(写出所有正确说法的序号)
①已知关于
的不等式
的解集为
,则实数
的取值范围是
.
②已知等比数列
的前
项和为
,则
、
、
也构成等比数列.
③已知函数
(其中
且
)在
上单调递减,且关于
的方程
恰有两个不相等的实数解,则
.
④已知
,且
,则
的最小值为
.
⑤在平面直角坐标系中,
为坐标原点,
则
的取值范围是
.
①已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123c15869608f974b89771202442d3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9059219044592024f63637984f86be30.png)
②已知等比数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5188d6760683a860adab0cda195cdf80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd6fe11dfa538e67bfd63478fc428a1.png)
③已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d97ad2720a77862202ac613e9e77e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1e1c54b1a07850afba46754a27b32a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cdd93d95a9fb5f5cd7e8be3800ecdf.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0cb6220005e5dbd9999e537aa90d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be97cd1c7111b654d87d8fbb63b6a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3aa69c18639f94f0635ea4c07dc2dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b90f08f3dcf9f9c7fe7c0fced28bc9a.png)
⑤在平面直角坐标系中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04872f980977d25187ae6b80c2f04c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafb698ab3b41359de48221799569bd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a35d07184600690b812ac5885ee66a.png)
您最近一年使用:0次
2 . 某池塘中野生水葫芦的面积与时间的函数关系的图象,如图所示.假设其关系为指数函数,并给出下列说法:
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382119870464/1572382125907968/STEM/b943e24a611a4342969ee9bac0b1c2a5.png?resizew=200)
①此指数函数的底数为
;
②在第
个月时,野生水葫芦的面积就会超过![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
;
③野生水葫芦从![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
蔓延到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
只需
个月;
④设野生水葫芦蔓延到![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
所需的时间分别为
,
,
,则有
;
⑤野生水葫芦在第
到第
个月之间蔓延的平均速度等于在第
到第
个月之间蔓延的平均速度.
其中正确的说法有________ .(请把正确说法的序号都填在横线上)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572382119870464/1572382125907968/STEM/b943e24a611a4342969ee9bac0b1c2a5.png?resizew=200)
①此指数函数的底数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
②在第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
③野生水葫芦从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8f58755aee89fb2cf72ba518dcee2a.png)
④设野生水葫芦蔓延到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db31d2bbc9b044646fd026f239e7b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba437c4192e5e94ad535ce826452cd1a.png)
⑤野生水葫芦在第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
其中正确的说法有
您最近一年使用:0次
11-12高一下·山东日照·期中
名校
3 . 关于函数
,有下列说法:
①
的最大值为
;
②
是以
为最小正周期的周期函数;
③
在区间(
)上单调递减;
④将函数
的图象向左平移
个单位后,将与已知函数的图象重合.
其中正确说法的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96db6b7ff6890f1e20c7ee4178dcd1fa.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eed982a3275ea91d308ee7ecc5b4fed.png)
④将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b582fb0781ffb85a13fb77082912a5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2074d36c0c3cb54bf6190fe0f66e52dc.png)
其中正确说法的序号是
您最近一年使用:0次
2016-12-01更新
|
1409次组卷
|
17卷引用:2011-2012学年山东省日照一中高一下学期期中考试数学试卷
(已下线)2011-2012学年山东省日照一中高一下学期期中考试数学试卷2014-2015学年山西省平顺中学高一下学期期中考试数学试卷四川省眉山市仁寿县文宫中学2022-2023学年高一下学期期中数学试题2014-2015学年四川省成都树德中学高一下学期期末考试数学试卷2014-2015学年广东省揭阳市一中高一下学期第二次段考文科数学试卷2014-2015学年广东省揭阳市一中高一下学期第二次段考理科数学试卷高中数学人教A版必修4 综合复习与测试浙江省绍兴市蕺山外国语学校2019-2020学年高一下学期4月教学质量检测数学试题宁夏石嘴山市第三中学2019-2020学年高一6月月考数学试题内蒙古通辽市科左后旗甘旗卡第二高级中学2020-2021学年高二上学期期中考试数学(理)试题黑龙江省牡丹江市2020-2021学年高一上学期期末数学试题(已下线)第五章 (综合培优)三角函数 B卷-【双基双测】2021-2022学年高一数学同步AB卷(浙江专用)(人教A版2019必修第一册)四川省广安市广安第三中学校2021-2022学年高一下学期第一次考数学试题湖北省十堰市郧阳区第二中学2022-2023学年高一下学期3月月考数学试题(已下线)第5章 三角函数(单元测试)-【上好课】甘肃省天水市甘谷县第四中学2020-2021学年高三上学期第二次检测数学(文)试题上海市上海交大附中2016届高三上学期摸底数学试题
4 . 以下说法错误的是
A.最简单的算法结构是顺序结构 |
B.输入框和输出框可用在算法中任何需要输入,输出的位置 |
C.判断框是具有超过一个退出点的唯一符号 |
D.可以利用赋值语句进行代数式的演算 |
您最近一年使用:0次
5 . 下列说法正确的是________ (只填正确说法序号)
①若集合
,则
;
②
是函数解析式;
③
是非奇非偶函数;
④设二次函数
,若
则
①若集合
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/67fd5e8c96244d2ba7baf0607451dcee.png?resizew=245)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/f165d548e7ba47488b4e994a3ea61188.png?resizew=145)
②
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/9d6664fe65924c299c91a1b29e01ca8c.png?resizew=132)
③
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/0ffed11544dd4fab90aa8a59c5cbdb45.png?resizew=96)
④设二次函数
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/3c6139bd7bf3418da7b3cb743c203a35.png?resizew=173)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/f548fdda537041019c4e86e2c0231d88.png?resizew=153)
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572448095305728/1572448100515840/STEM/65f9a55b3576440d995e0e4a88d0fd69.png?resizew=96)
您最近一年使用:0次
10-11高一上·河北唐山·期中
解题方法
6 . 下列说法:①若
(其中
)是偶函数, 则实数
;
②
既是奇函数又是偶函数;
③已知
是定义在
上的奇函数,若当
时,
,则当
时,
;
④已知
是定义在R上的不恒为零的函数, 且对任意的
都满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
, 则
是奇函数.
其中所有正确说法的序号是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65945142d30134184e478bc623997154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978f4486f7dc6a282aecc5257132c517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d96ab75dab8aff30ee34d9b88c3d96.png)
③已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168163183a3d4663be45755f44676191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93649f8c2a15223061cdbba378934010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637ccb33543ce5bc8131b59d70127297.png)
④已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754dcd5a8ca90e0a239951d8b8d1071d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61429212d64b96e2b7766a7a31caee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
其中所有正确说法的序号是
您最近一年使用:0次
7 . 设{an}
是等比数列,有下列四个判断:①{an2}
是等比数列;②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7706e0dba93c9f25c28bc8b01de44b70.png)
是等比数列;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0dc13236eaa2bd0cdc0f24beea11fe.png)
是等比数列;④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777a10c5eb77332d03d4f6d5f601189e.png)
是等差数列.其中正确判断的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7706e0dba93c9f25c28bc8b01de44b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0dc13236eaa2bd0cdc0f24beea11fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/777a10c5eb77332d03d4f6d5f601189e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
您最近一年使用:0次
8 . 如图是正方体的平面展开图.关于这个正方体,有以下判断:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/15/5d6a69a6-eafe-41a2-960e-6350fddeb6f4.png?resizew=159)
①与
所成的角为
②
∥平面
③ ④平面
∥平面
其中正确判断的序号是( ).
A.① ③ | B.② ③ | C.① ② ④ | D.② ③ ④ |
您最近一年使用:0次
2017-06-04更新
|
2449次组卷
|
7卷引用:贵州省思南中学2019-2020学年高一下学期期中考试数学试题
贵州省思南中学2019-2020学年高一下学期期中考试数学试题湖北省沙市中学、恩施高中、郧阳中学2016-2017学年高一下学期阶段性联考数学(文)试题福建省莆田第一中学2019-2020学年高三上学期期中考试数学(文)试题湖北省黄冈市黄梅国际育才高级中学2019-2020学年高一下学期复学考试数学试题河南省南阳市南召县2022-2023学年高一下学期期末数学试题(已下线)考点31 直线、平面平行的判定及其性质-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点30 直线、平面平行的判定及其性质-备战2021年高考数学(文)一轮复习考点一遍过
12-13高一上·甘肃天水·期中
解题方法
9 . 下列5个判断:
①若
在
上增函数,则
;
②函数
只有两个零点;
③函数
的值域是
;
④函数
的最小值是1;
⑤在同一坐标系中函数
与
的图像关于
轴对称.
其中正确命题的序号_______
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4b369f86d13d19556d0ae4f7aece51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c298e3b72856ab70082079d5105e8873.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c9d62d7737cda87b01fa06ae24ff98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2016168a68d0ab74a14b16a6b84c25f5.png)
⑤在同一坐标系中函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef9d69de06c1300c314c3c6623abb1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
其中正确命题的序号
您最近一年使用:0次
9-10高一下·浙江宁波·期末
解题方法
10 . 定义:在数列
中,若
,(n≥2,n∈N*,p为常数),则称
为“等方差数列”.下列是对“等方差数列”的有关判断:
①若
是“等方差数列”,则数列
是等差数列;②
是“等方差数列”;
③若
是“等方差数列”,则数列
(k∈N*,k为常数)也是“等方差数列”;
④若
既是“等方差数列”,又是等差数列,则该数列是常数数列.
其中正确的命题为________________ .(写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c0935ed5f2d2512f53eb09df579368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b4dfebd3972ff16ebe879914b76291.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a561552fc52b697f1a7f1c81c2f637.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
其中正确的命题为
您最近一年使用:0次