地球经纬线练习题.docx

1、地球经纬线练习题地球经纬线练习题第二讲 认识地球地球和经纬网 特殊纬线 0?: 最长的纬线，南北半球的分界线。 30?: 低中纬度分界线。 60?: 高中纬度分界线;长度为赤道的一半。 90?: 南北极点。 23?26: 回归线，热带和温带分界线，有无太阳直射现象的分界线。 66?34:极圈，温带和寒带分界线，有无极昼和极夜现象的分界线。 特殊经线 0?: 东西经分界线，以东为东经，以西为西经。 180?: 以东为西经，以西为东经。 20?W: 东西半球分界线，以东为东半球，以西为西半球。 160?E:以东为西半球，以西为东半球。 (1) 经纬网的意义 (1)确定地理坐标 (2)据经纬网判断方

2、向东西南北 (2)利用经纬网计算距离及判断范围大小 1.任何一条经线上，纬度间隔1?的弧长约是111 km。 2.赤道上，跨经度1?的弧长约是111 km; 任一纬线(纬度为)上，跨经度1?的弧长约是(111cos)km。 3.跨经(纬)度相同的地图，纬度越高，所表示的范围越小。 (4)两地间最近航线的问题 一、经纬网 例题1:读南半球某区域经纬网图， 飞机由a地飞往b地的最短航线是: quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a mo

3、dern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted

4、for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not available to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation. 3. energy-saving, wa

5、ter-saving awareness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward under the slogan, the country started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical f

6、eeding and mandatory ventilation, a small number of chicken farms also use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is

7、 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a difference of 1020. Chinas energy supply is in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving issues. Lack of fres

8、h water resources in China, the average annual precipitation is 600 mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when you A(一直沿正东方向 B(先向正南再向正北方向 C(先向东南再向东北 D(先向

9、东北后向东南 :我国自长江口以南至北部湾西端的海岸线近似于一条圆弧，此圆弧的半径是 例题3A(500km B(800km C(1000km D(1300km 例题4:读下图，完成以下要求: A点在D点的 方向，B点在C点的 方向，C点位于D点 方向。 练习一:下图是地球经纬网示意图。读图判断(1),(2)题。 (1)图中各点位于北半球、西半球的是 A.? B.? C.? D.? (2)图中?点位于?点的 A.东北方向 B.西北方向 C.东南方向 D.西南方向 练习三:如下图所示，飞机由甲城飞往乙城，再从乙城返回甲城，其最短航线方向是 A(一直往东飞 B(一直往西飞 quality egg, c

10、hicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing wo

11、rkshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not available to local arable land area to determine an appropriate level of breeding size and not, a

12、s in the past, first determine the size, then go to the expropriation. 3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward under the slogan, the country started building a modern large chicken farms in the climax. Wa

13、s built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicken farms also use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the annual electricity consumpt

14、ion of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a difference of 1020. Chinas energy supply is in short supply. Therefore, in determining the breeding, poult

15、ry equipment selection should take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitation is 600 mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen

16、 daily water intake to about 1.52 times, so when you C(甲到乙先往西北飞，再往东南飞;乙至甲先往东南飞，再往西北飞 D(甲至乙与乙至甲都先往北飞，再往南飞 二、地图上的方向 例题1:下面四幅图中，A点在B点的方向排列正确的是 A(西北、东北、西南、西北 B(西北、西北、西南、西南 C(西南、东北、西北、西北 D(东北、西北、西北、西南 例题2:下面是一幅“公路平面略图”，读后回答。 (1)图中公路走向的变化是:由AB的 走向，转为BC 的走向。 (2)图中河流流向的总趋势是从 流向 。 (3)村庄b在村庄a的 方;村庄c分别在村庄a、b的

17、方和 方。 例题4:一架飞机从M点出发，以每小时1100千米的速度向北飞越北极点后继续沿经线圈飞行，8小时后到达地点的地理坐标是( ) A(无法确定 B(50?N，120?E C(40?N，120?E D(50?N，120?W 例题5:读下图回答(1),(2)题。 quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens layi

18、ng hens, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conservation, not accounted for or less cultivated land, wasteland, the principle of slope

19、 land. When the chicken farm should generally not available to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation. 3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig

20、and chicken farm mechanization in our country forward under the slogan, the country started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial light, mechanical feeding and mandatory ventilation, a small number of chicken fa

21、rms also use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when the entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, pow

22、er consumption difference is very big, a difference of 1020. Chinas energy supply is in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving issues. Lack of fresh water resources in China, the average annual precipitation i

23、s 600 mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when you (1)图中表示洼地的是 A(A处 B(B处 C(C处 D(D处 (2)如果从山麓登山到E处，最容易登山的方向是 A(西南方向 B(西北方向 C(东南方向 D(东北方向 练习一:读“经纬网示意图”，完成

24、下列问题。 (1)图中经纬网的范围是 (南、北)半球， (东、西)半球。 (2)图中B点的地理坐标是 。 (3)B点位于A点的方向 。 练习二:根据下图经线网所示的内容，回答问题。 (1)给各条经线标注“E”或“W”。 (2)A、B、C三点位于 半球(东、西)，D点位于 半球(南、北)。 (3)A点在C点的 方向，C点在D点的 方向。 (4)地方时相同的是 和 ，均位于 时区的中央经线上，当C点是6月30日12时，D点是 。 quality egg, chicken, . Development of poultry industry will occupy a certain area of

25、 land, there is a modern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc). The poultry industry should work in land conserva

26、tion, not accounted for or less cultivated land, wasteland, the principle of slope land. When the chicken farm should generally not available to local arable land area to determine an appropriate level of breeding size and not, as in the past, first determine the size, then go to the expropriation.

27、3. energy-saving, water-saving awareness in the 1970 of the 20th century, the pig and chicken farm mechanization in our country forward under the slogan, the country started building a modern large chicken farms in the climax. Was built as the fully enclosed intensive chicken farms, using artificial

28、 light, mechanical feeding and mandatory ventilation, a small number of chicken farms also use mechanical sets eggs and manure. According to statistics, fully enclosed chicken coop per chicken when the annual electricity consumption of 10-kilowatt , half opened the henhouse when 25 kW (open), when t

29、he entire opening is 0.5 kW , rolling open sheds at 0.45 kW . Hen house types, power consumption difference is very big, a difference of 1020. Chinas energy supply is in short supply. Therefore, in determining the breeding, poultry equipment selection should take full consideration of energy saving

30、issues. Lack of fresh water resources in China, the average annual precipitation is 600 mm. 1988 2474 cubic meters of water per capita in China, only 1/4 of the population all over the world, now reduced to 2300 cubic meters. Hen daily water intake to about 1.52 times, so when you 例题4 答案:正北 西北 东南 例题

31、2 答案:(1)东西 西南,东北(2)北 南(3)东北 东南 正南 练习一 答案:(1)北 西 (2)40?N，80?W (3)东北 练习二 答案:(1)见下图(2)西 北(3)正北 东南(4)A C 西十一区 7月1日9时 练习三 答案:A 点拨:甲点地理坐标为(西经45度，赤道)，乙点地理坐标为(西经135度，北纬30度)，西经区数字减小方向为地球自转方向，即自西向东的方向，所以，甲位于乙的东南方向。 练习四 答案:C 点拨:地球顺时针方向运动，为南半球，从A到B为先向西南，再向西北，从C点到D点，也是先靠近南极点，然后远离南极点，经线方向也是逆地球自转方向。注意，经线为从南极点出发经过A

32、、B、C、D点的放射线。 练习五 答案:D 点拨:(1)图中靠近0度经线处为西经20度，根据经度数值排列可知位于北半球，甲地经度大约为西经135度。(2)图中极地东风带为顺时针方向，判断为南半球，乙地经度为180度。根据经度排列可知，甲地位于乙地的东侧，根据半球不同可知甲地位于乙地的北侧。 quality egg, chicken, . Development of poultry industry will occupy a certain area of land, there is a modern product with comprehensive rollup of 50,000 chickens laying hens, covers an area of 14.87 hectares (233 acres) more (including Office of hatching, brood rearing, and laying House, eggs, feed processing workshop, Office, etc