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地球公转产生的地理意义正午太阳高度角复习教案.pdf

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1、地球公转产生的地理意义昼夜长短的变化；正午太阳高度角的变化；四季和五带的形成回顾:描述四个时间段南北半球昼夜长短变化情况正午太阳高度角1.概念:一日内最大的太阳高度2.公式 H=90?-|-|表示所求地纬度，表示太阳直射点纬度两地纬度差多少正午太阳高度就差多少3.规律：正午太阳高度角自太阳直射点向南北两侧递减。离太阳直射点越近，正午太阳高度角越大。夏至日正午太阳高度夏至日，太阳直射北回归线，北回归线及其以北各纬度，正午太阳高度达到一年中最大值，南半球各纬度，达一年中最小值。冬至日正午太阳高度冬至日，太阳直射南回归线，南回归线及其以南各纬度，正午太阳高度达到一年中最大值，北半球各纬度，达一年中最

2、小值。1)夏至日北极点正午太阳高度为多少?2326 2)冬至日南极点正午太阳高度为多少?2326 3)当太阳直射20N 时,北极点正午太阳高度为多少?204)夏至日,冬至日赤道上正午太阳高度分别为多少?6634 6634 5)当太阳直射20N 时,赤道上正午太阳高度为多少?806)一年中,南北极点正午太阳高度的变化范围?0-2326 7)一年中,赤道上正午太阳高度的变化范围?90-6634 在一天中，南北两极的太阳高度角为恒值。4.知识运用根据正午太阳高度判断地理位置:例 1:下列三图中a、b 为两至日正午太阳高度,判断三地的地理位置南北回归线之间地区北回归线以北地区南回归线以南地区B 例 2

3、.读图回答:(1)甲和乙中分别反映纬度较高的曲线是A.B.C.D.D(2)有关四地的叙述错误的是A.地一年中只有一次太阳直射的机会B.以上四个地点都位于北半球C.地位于北纬45D.地在夏至的时候正午太阳高度为901.下图中，横坐标为地球自转线速度，纵坐标为不同纬度四点某日正午太阳高度。D（1）图中四个地点纬度由低到高的排列是()A abcd B abdc C dcab D cdba B（2）图中四个地点按昼长时间由长到短依次是（）A abcd B adcb C badc D dabc 春分夏至秋分冬至春分90450正午太阳高度春分夏至秋分冬至春

4、分昼长(小时)24 12 0 文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ

5、4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J

6、6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编

7、码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D

8、4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R

9、8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10

10、L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U82.读某地一年中正午太阳高度变化示意图,回答:A(1)该地纬度位置是()A.10 N B.10 S C.13 26 N D.13 26 S

11、 A(2)下列说法正确的是()A.之间的时间间隔至少是三个月.B.两处表示太阳直射在北回归线C.处的正午太阳高度表示太阳直射在赤道D.处北半球各地正午太阳高度达全年最大值3.图中四条线分别表示四个地点在北半球夏半年某日的太阳高度变化过程.读图回答:(1)表示的地点是北极点.判断理由是:地球绕地轴自西向东自转,北半球夏半年北极点每天太阳高度整日几乎不变.地夏半年太阳高度值h的变化范围是CA.6634 h 90B.2326 h66 34C.0 h 2326D.30 h60(2)这一天,太阳直射点的纬度是h.(3)四地中,产生极昼现象的是地.这一天发生极昼现象的地区是北纬（90-h）及其以北地区.(

12、4)表示的地方是赤道.判断理由是终年平分昼夜.(5)该日、两地正午太阳高度值H1 为 2 hH2 为（90-h）.(6)四个地点的纬度从高到低的排列依次是.DA.B.C.D.计算:1)夏至日,30N 的正午太阳高度.83 342)太阳直射20S,30S的正午太阳高度.703)冬至日,30N 的正午太阳高度.3634日影问题一.总的原则:太阳在前,影子在后.太阳高度与日影的关系:常识:1.太阳高度角越大，影长越短文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9

13、D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4

14、R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK1

15、0L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4

16、T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 Z

17、Q4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6

18、J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档

19、编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U82.太阳直射某地时,某地影长为零.3.一天之中，正午影长最短思考:北回归线以北地区,影子最短是哪一天?最长是哪一天?夏至日,冬至日二.不同纬度正午影子的朝向日影的朝向与光线方向相反;不同纬度正午影子的朝向规律:北回归线以北（除北极）：正午影子全年朝北正午影子全年朝北南回归线以南（除南极）：正午影子全年朝南正午影子全年朝南南北回归线之间正午影

20、子:既可朝南也可朝北影子朝正北或正南时当地时间为12点思考:赤道与北回归线之间,正午时影子朝南的日子多还是朝北的日子多?朝北的日子多三.不同时节全球日出日落方向及日影方向(寒带除外）知识储备:日出日落的方位图结论：太阳直射点在赤道时，地球上日出方位在正东，日落于正西。太阳直射点在北半球时，地球上（除极昼、极夜地区）日出方位均在东北，日落于西北。太阳直射点在南半球时，地球上（除极昼、极夜地区）日出方位均在东南，日落于西南。日出日落的日影方向、影长变化规律：A、直射点在北半球时，日出东北影朝_西南 _，日落西北影朝_东南 _。B、直射点在南半球时，日出东南影朝_西北 _，日落西南影朝_东_

21、北。C、直射点在赤道上，日出正东影朝_正西 _，日落正西影朝_正东 _。想想:当太阳直射北半球时北半球中纬度太阳的视运动路线是怎么的?日出日落文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK

22、10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I

23、4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5

24、ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J

25、6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文

26、档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM

27、9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U83.此图表示的是北半球中纬

28、度某地二分二至日的太阳高度变化,回答:(1)ABC 三条太阳升降路线中,代表夏至日的是(A).(2)C 路线所表示的昼夜长短状况是昼短(3)如果 2=55,那么该地的地理纬度是(35)例.a、b 两城，6 月 22 日和 12 月 22 日正午，旗杆影长及朝向如图所示。关于、b 两城昼夜长短和正午太阳高度状况的说法正确的是(C)A.a 城有极昼极夜现象,b 城没有.B.b 城有阳光直射现象,a 城没有.C.a 城昼长变化幅度大于b城.D.b 城正午太阳高度变化幅度大于a 城.文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 H

29、K10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10

30、I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5

31、 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6

32、J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8

33、文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:C

34、M9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3

35、Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8例 2.（03，全国）某学校（110E）地理小组在平地上用立竿测影的方法，每日测算正午太阳高度，如图，垂直竖立一根长2 米的竿 OP，OB 是影子。（1）该小组每天测量影长时，北京时间是（B）A.12：00 B.12：40 C.11：30 D.11：00（2）3 月 21 日，当该小组进

36、行测量时，下列城市即将迎来旭日东升的是（B）A.英国伦敦B.布达佩斯（19 E）C.伊斯坦布尔（29 E）D.夏威夷（158 W）（3）下图是该小组绘制的连续一年的竿影长度变化图，图中反映3 月 21 日影长的点是（D）A.B.C.D.（4）该学校大约位于（A）A.21.5 N B.21.5 S C.45 N D.45 S 1.某校同学在不过河的情况下利用铁塔及其影子测算太阳高度.在 12 月 22 日正午测得太阳高度为;过一段时期,测得正午太阳高度为.读图回答下列问题:(1)该地区位于半球(南或北).(南(2)若=68且塔影处正午时,北京时间为12 月 23 日零点四十分,则塔所处的经纬度是

37、.4526 S 70W(3)从 Q 到 R,太阳直射点的移动方向是向北移.楼间距问题某地建房时,为保证一楼全年均有阳光照射,两楼之间的最短距离与楼高的关系如下图:(为当地一年中最小的正午太阳高度)文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4

38、C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6

39、U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码

40、:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4

41、P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8

42、 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L

43、10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9

44、Z5 ZQ4C6J6J6U8公式：Ton=h/L Cot=L/h L=h Cot 1.（广东高考）北纬38 度一开阔地上，在楼高为H 的楼房北面盖新楼，欲使新楼底层全年太阳光线不被阻挡，两楼距离应为（D）A.Htg(90-38)B.Htg(90-23.5-38)C.Hctg(90-38)D.Hctg(90-23.5-38)2.某城市（300N）南北楼高度、楼间距离如上图。tg350=0.7 tg450=1 tg600=1.732 北楼一年中正午太阳光线被南楼挡住的时间大约是：C（6 个月）两楼间距离不变，一年中太阳光线不被南楼挡住，南楼的高度最高约为：B A.20m B.30m C.40m D

45、.50m L S N h(楼高)(楼间距)S N H 38N L 文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R

46、8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10

47、L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T

48、9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ

49、4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J

50、6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编码:CM9D4P3Y4R8 HK10L10I4T9Z5 ZQ4C6J6J6U8文档编

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