1 . 2022年4月16日,神舟十三号载人飞船返回舱在东风着陆场成功着陆,飞行任务取得圆满成功.“出差”太空半年的神舟十三号航天员乘组顺利完成既定全部任务,并解锁了多个“首次”.其中,航天员们在轨驻留期间共完成37项空间科学实验,如图是完成各领域科学实验项数的扇形统计图,下列说法错误的是( )
![](https://img.xkw.com/dksih/QBM/2022/10/24/3094746410770432/3094818798583808/STEM/51a1d1838dd4494ba1d397a8685f5afc.png?resizew=170)
![](https://img.xkw.com/dksih/QBM/2022/10/24/3094746410770432/3094818798583808/STEM/51a1d1838dd4494ba1d397a8685f5afc.png?resizew=170)
A.完成航天医学领域实验项数最多 |
B.完成空间应用领域实验有5项 |
C.完成人因工程技术实验项数比空间应用领域实验项数多 |
D.完成人因工程技术实验项数占空间科学实验总项数的![]() |
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2 . 如图所示的衣架可以近似看成一个等腰三角形
,其中
,
,
cm,则高
约为( )
(参考数据:,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc5db7ac344c05465dbabcc5e3d696.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/32523c5b-66bf-415a-8e09-334af3311b38.png?resizew=223)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1816fb0bed72025e79aa4b7185055ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a5dae3b3a443748604b79401616239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c6cf2f16410d7602d14c320bb80bc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(参考数据:,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae2f44d211b6cef769061ef0e7bf45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc5db7ac344c05465dbabcc5e3d696.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/32523c5b-66bf-415a-8e09-334af3311b38.png?resizew=223)
A.22.44cm | B.9.90cm | C.11.22cm | D.19.58cm |
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3 . 下列为负数的是( )
A.|﹣2| | B.![]() | C.0 | D.﹣5 |
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4 . 已知
.
(1)化简
;
(2)若正方形
的边长为
,且它的面积为9,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dddb8a8369f1f347c5d0efc3cc2251b.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67300207553ae70b997bde84ca730cf8.png)
(2)若正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67300207553ae70b997bde84ca730cf8.png)
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5 . 已知反比例函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15c9d3e50dc0fd6aa1a75b3eb73ca71.png)
A.若点![]() ![]() |
B.当![]() |
C.其图象分别位于第一、三象限 |
D.若点![]() ![]() ![]() ![]() |
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6 . (1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46f7d6f48b612805b5a8e65005f69a0.png)
______ (2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a4703064ae9eb239979372d91ceb2.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46f7d6f48b612805b5a8e65005f69a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89a4703064ae9eb239979372d91ceb2.png)
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7 . 如图所示,已知抛物线
与
轴交于
、
两点,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/12c9eea7-7515-4386-a533-b313b156b81c.png?resizew=159)
(1)求
、
、
三点的坐标.
(2)过
作
交抛物线于点
,求四边形
的面积.
(3)在
轴上方的抛物线上是否存在一点
,过
作
轴点
,使以
、
、
三点为顶点的三角形与
相似.若存在,请求出
点的坐标;否则,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e02c68bc91653f19b8676abb60db91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/12c9eea7-7515-4386-a533-b313b156b81c.png?resizew=159)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e985a07365d045d935b6098fbf27254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc1a89a6a4e99d65b83b4e3ab3ed4eb.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85e35eeaaf2346c81e7d33df0b6a24e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc3e8a1475b983d1a4295db0e16d4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afc3e8a1475b983d1a4295db0e16d4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91b51acfeef224f2bc25aa83e0878f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
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解题方法
8 . 一组数:2,1,3,x,7,y,23,…,满足“前两个数依次为a、b,紧随其后的第三个数是
”,例如这组数中的第三个数“3”是由“
”得到的,那么这组数中y表示的数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59ef576962321d9c8ce237f8ecf7025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7410fdb85fcd32886884f4311db91f81.png)
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名校
9 . 青花瓷,又称白地青花瓷,常简称青花,是中国瓷器的主流品种之一.如图,这是景德镇青花瓷,现往该青花瓷中匀速注水,则水的高度
与时间
的函数图像大致是( )
![](https://img.xkw.com/dksih/QBM/2022/9/26/3074938155810816/3077010367275008/STEM/460005c7a0e744989a54555b1e9d8bc4.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2022/9/26/3074938155810816/3077010367275008/STEM/460005c7a0e744989a54555b1e9d8bc4.png?resizew=134)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-09-29更新
|
1187次组卷
|
8卷引用:海南省海口嘉勋高级中学2023届高三上学期10月检测数学试题
海南省海口嘉勋高级中学2023届高三上学期10月检测数学试题山西省忻州市2023届高三上学期第二次联考数学试题福建省百校联考2023届高三上学期第一次联考数学试题甘肃省靖远县第四中学2022-2023学年高三上学期第一次月考数学(理)试题青海省西宁市湟中区2022-2023学年高三上学期期中考试数学(理)试题湖南省长沙市第一中学2022-2023学年高三上学期月考(五)数学试题(已下线)第06讲 函数的图象(六大题型)(讲义)(已下线)热点2-3 函数的图象及零点问题(8题型+满分技巧+限时检测)
名校
10 . 已知四棱锥
的底面ABCD是平行四边形,侧棱
平面ABCD,点M在棱DP上,且
,点N是在棱PC上的动点(不为端点).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/3ca3f34b-c460-4557-a4c9-0502b91ee703.png?resizew=220)
(1)若N是棱PC中点,完成:
(i)画出
的重心G(在图中作出虚线),并指出点G与线段AN的关系:
(ii)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
平面AMN;
(2)若四边形ABCD是正方形,且
,当点N在何处时,直线PA与平面AMN所成角的正弦值取最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc85ce5e111acf7162b8e1b5a3f6b220.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/3ca3f34b-c460-4557-a4c9-0502b91ee703.png?resizew=220)
(1)若N是棱PC中点,完成:
(i)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
(ii)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
(2)若四边形ABCD是正方形,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2304c541406034dd83040e9a7887ed7.png)
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