1 . 初春时节,南部战区海军某登陆舰支队多艘舰艇组成编队,奔赴多个海区开展实战化海上训练.在一次海上训练中,雷达兵在
处发现在北偏东
方向,相距30公里的水面
处,有一艘
舰艇发出液货补给需求,它正以每小时50公里的速度沿南偏东
方向前进,这个雷达兵立马协调在
处的
舰艇以每小时70公里的速度,沿北偏东
方向与
舰艇对接并进行横向液货补给.若
规艇要在最短的时间内实现横向液货补给,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315ac819ee85f23ee729d927b44bed1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b112f474fc4e1da5e8c0b326c595ce78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e967f104103a02acc100ece38e1df802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() |
B.![]() ![]() ![]() |
C.![]() |
D.![]() ![]() ![]() |
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2 . 某校数学兴趣小组欲对当地一唐代古塔进行测量,如图是该古塔
的示意图,其中
与地面垂直,从地面上
点看塔顶
的仰角为
沿直线
向外前进
米到点
处,此时看塔顶
的仰角为
根据以上数据得到塔高为
米,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/511110951e4e9a3a5dc4fc07461e617f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec366d95d6eeed90ac2764eb3e94bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
3 . 中国最早的天文观测仪器叫“圭表”,“圭”就是放在地面上的土堆,“表”就是直立于圭的杆子,太阳光照射在“表”上,便在“圭”上成影,规定“表”为八尺长(1尺=10寸).用圭表测量太阳照射在竹竿上的影长,可以判断季节的变化,也能用于丈量土地.同一日内,南北两地的日影长短倘使差一寸,它们的距离就相差-千里,所谓“影差一寸,地差千里”.记“表”的顶部为A,太阳光线通过顶部A投影到“圭”上的点为B,已知甲、乙两地之间的距离约为40千里.若同一日内,甲地中直线AB与地面所成的角为
,且
,则甲地日影长与乙地日影长的比值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab1c6f03cd0cb486ffb3557162063bc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 如图,为测量海岛的高度AB以及其最高处瞭望塔的塔高BC,测量船沿航线DA航行,且DA与AC在同一铅直平面内,测量船在
处测得
,
,然后沿航线DA向海岛的方向航行
千米到达
处,测得
,
(
,测量船的高度忽略不计),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa9ee4eff7a12b62b1c3ee3eac73241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13edf4adea9f9aa4a02f73ac0b44da74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c4a9ddf022f6e7eb6c516fb441f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39140e4c63940f8bc59261f120fe91d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132cf8d91971b3d1d7a1628db975e6fd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5 . 湖光岩玛珥湖,位于广东省湛江市麻章区湖光镇,是中国乃至世界最大的湿玛珥湖,是中国玛珥湖研究的始发点,也是世界玛玶湖研究的关键点.某小组计划测量如图所示的湖光岩玛珥湖的东西方向的总湖长,即测量湖光岩玛珥湖湖岸的两个测量基点
之间的距离,现在湖光岩玛珥湖的湖岸取另外两个测量基点
,测得
米,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c8ac6786eed93e5b07b0d933b6413b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bcc9a14dbe14104c6acd86f4d55c8d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781faa16efc5b239bbd91b7d059b7de3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 某货轮在A处看灯塔B在货轮的北偏东
方向,距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f52f128086257ab7513889dbf6c7550.png)
;在A处看灯塔C在货轮的北偏西
方向,距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
.货轮由A处向正北航行到D处时,再看灯塔B在货轮的南偏东
方向,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a4c9b697e3df2b5469b71d3b5e47a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f52f128086257ab7513889dbf6c7550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef84a0cd1187f66488cdc204456a05f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef84a0cd1187f66488cdc204456a05f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
A.A处与D处之间的距离是24![]() |
B.灯塔C与D处之间的距离是16![]() |
C.灯塔C在D处的南偏西![]() |
D.D处在灯塔B的北偏西![]() |
您最近一年使用:0次
解题方法
7 . 长江某段南北两岸平行,如图,江面宽度
.一艘游船从南岸码头A点出发航行到北岸.已知游船在静水中的航行速度
的大小为
,水流速度
的大小为
.设
和
的夹角为θ(
),则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24d22d19c32fcb0b7d11c6f51adb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44c235d8b49207ad3f2d77dc5d6cf20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77db6662d01c893a3fdace07123eba9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f55724f7ee57bd395eb3b95393c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af705e0ac6487e84135fc600a1e4a0d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44c235d8b49207ad3f2d77dc5d6cf20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814f55724f7ee57bd395eb3b95393c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30af76bf4cc9658e721471fbddab7f1.png)
A.当船的航行时间最短时,![]() | B.当船的航行距离最短时,![]() |
C.当![]() | D.当![]() ![]() |
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8 . 初春时节,南部战区海军某登陆舰支队多艘舰艇组成编队,奔赴多个海区开展实战化海上训练.在一次海上训练中,雷达兵在
处发现在北偏东
方向,相距30公里的水面
处,有一艘
舰艇发出液货补给需求,它正以每小时50公里的速度沿南偏东
方向前进,这个雷达兵立马协调在
处的
舰艇以每小时70公里的速度,沿北偏东
方向与
舰艇对接并进行横向液货补给.若
舰艇要在最短的时间内实现横向液货补给,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315ac819ee85f23ee729d927b44bed1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b112f474fc4e1da5e8c0b326c595ce78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05292420eb6f240f036a1c2cf2cb7562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-03-29更新
|
498次组卷
|
7卷引用:河南省创新发展联盟2023-2024学年高一下学期第一次月考(3月)数学试题
河南省创新发展联盟2023-2024学年高一下学期第一次月考(3月)数学试题(已下线)模块五 专题1 全真基础模拟1 (人教B高一期中研习室)贵州省毕节市金沙县实验高级中学2023-2024学年高一下学期第一次月考数学试题陕西省西安市浐灞第二中学2023-2024学年高一下学期第一次月考检测(3月)数学试卷广西百所名校2023-2024学年高一下学期3月联合考试数学试题(已下线)6.4.3.3 余弦定理、正弦定理应用举例——课后作业(基础版)(已下线)模块五 专题1 全真基础模拟1(苏教版期中研习高一)
9 . 如图,为测量海岛的高度
以及其最高处瞭望塔的塔高
,测量船沿航线
航行,且
与
在同一铅直平面内,测量船在
处测得
,
,然后沿航线
向海岛的方向航行
千米到达
处,测得
,
(
,测量船的高度忽略不计),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa9ee4eff7a12b62b1c3ee3eac73241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13edf4adea9f9aa4a02f73ac0b44da74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6c4a9ddf022f6e7eb6c516fb441f21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39140e4c63940f8bc59261f120fe91d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132cf8d91971b3d1d7a1628db975e6fd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 装货轮在A处看灯搭B在货轮北偏东
,距离为
海里;在A处看灯塔C在货轮的北偏西
,距离为
海里.货轮自A处向正北航行到D处时,再看灯塔B在南偏东
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a4c9b697e3df2b5469b71d3b5e47a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f52f128086257ab7513889dbf6c7550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
A.A处与D处之间的距离是24海里 | B.灯塔C与D处之间的距离是![]() |
C.灯塔C在D处的西偏南![]() | D.D在灯塔B的北偏西![]() |
您最近一年使用:0次