地理双语洋流.doc

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1、洋流：高考的重点、双语的乐园包头市第九中学李跃2018.4.17.北极圈内摩尔曼斯克的不冻港、日本偷袭珍珠港、郑和下西洋、哥伦布的美洲之行、纽芬兰渔场世界著名、海洋环境的净化和污染等等，都与洋流密切相关。b5E2RGbCAPTeacher教师：Thisclass,we’lllearntheknowledgeoftheoceancurrents.p1EanqFDPw这节课，我们学习洋流的知识。Let’slookatpatternofoceancurrentsinthesouthhemisphereandthenorthhemisphere.DXDiTa9E3d请同学

2、们看南北半球洋流模式图。Istherethesubtropicalcirculationinthesouthernhemisphereandthenorthernhemisphere?RTCrpUDGiT在北半球和南半球，副热带环流是否都存在？Students学生：Yes,thereis.都存在。16/16Theglobalwindandoceancurrentsmodel全球风带和洋流模式Teacher教师：Istherethesubpolarcirculationinthenorthernhemisphereandthesouthernhemisphere?5

3、PCzVD7HxA在北半球和南半球，副极地环流是否都存在？Students学生：Thereisthesubpolarcirculationinthenorthernhemisphere,butthereisn’tinthesouthernhemisphere.jLBHrnAILg16/16在北半球存在，在南半球不存在。1、Thesubtropicalcirculation副热带环流Teacher教师：Inthesubtropicalcirculation,what’sthemovementdirectionoftheoceancurrentsinthenorthe

4、rnhemisphere?andwhat’sthemovementdirectionoftheoceancurrentsinthesouthernhemisphere?xHAQX74J0X在副热带环流中，在北半球，洋流的运动方向是什么方向？在南半球，洋流的运动方向是什么方向？Students学生：It’sclockwisedirectioninthenorthernhemisphere.LDAYtRyKfE(Themovementdirectionoftheoceancurrentsisclockwisedirectioninthenorthernhemisphe

5、re.>Zzz6ZB2LtkIt’scounterclockwisedirectioninthesouthernhemisphere.dvzfvkwMI1(Themovementdirectionoftheoceancurrentsiscounterclockwisedirectioninthesouthernhemisphere.>rqyn14ZNXI16/16在北半球,洋流的运动方向是顺时针方向。在南半球,洋流的运动方向是逆时针方向。Teacher教师：Inthesubtropicalcirculation,isitcoldsnaporwarmcurrenti

6、ntheeastcoastoftheocean?andisitcoldsnaporwarmcurrentinthewestcoastoftheocean?EmxvxOtOco在副热带环流中，东部是寒流还是暖流？西部是寒流还是暖流？Students学生：It’scoldsnapintheeastandwarmcurrentinthewest.SixE2yXPq5(It’scoldsnapintheeastcoastoftheocean,andit’swarmcurrentinthewestcoastoftheocean,inthesubtropicalcircula

7、tion.>6ewMyirQFL东部是寒流，西部是暖流。teacher教师：Throughtheabovediscussion,thecharacteristicsofthesubtropicalcirculationare:it’sclockwisedirectioninthenorthernhemisphere,it’scounterclockwisedirectioninthesouthernhemisphere.kavU42VRUs16/16It’scoldsnapintheeast,it’swarmcurrentinthewest.y6v3ALoS89通

8、过上述互动