Unit 4 第二课时 Section 1 Listening and Speaking 七年级英语上册 （沪教版2024）.pptx

2024年牛津版英语（七年级上）Unit4TheEarthSection1ListeningandSpeaking

Listening

课堂教学目的12新课导入3Content课堂活动5课堂训练6课堂小结4课堂重难点

课堂教学目的12课堂重难点1.听关于海洋目前状况的一段对话。学会听前预测，合理推断这一听力技巧。2.掌握单元音/?//ɑ?//?//?//??//u?/和辅音/k/,/g/的拼读规则.3.学会谈论我们目前地球所面临的一些问题。文化意识课堂重难点思维品质课堂教学目的1.听前预测，捕捉信息。2.谈论我们目前地球所面临的一些问题。理解环境保护的重要性，从身边小事做起，影响身边的人，共同保护地球。。通过听力，口语交流更加深刻了解我们的地球-地球的海洋状况和我们目前面临的问题。学会尊重自然，敬畏自然。

新课导入3DoyouknowhowmanybigoceansthereareonEarth?thePacificOcean太平洋theAtlanticOcean大西洋theArcticOcean北冰洋theIndianOcean印度洋

Whatdoyouknowaboutthesea?Theseacoversover70%oftheEarthssurface,whileonly2%ofthewatercanbedrunkforhuman.TheseaplaysanimportantroleintheecologicalbalanceoftheEarth,producingoxygenandhelpingtoregulatetheglobalclimate.Therearemanylivingthingsinthesea,includingfishandotherseacreatures海洋覆盖了地球表面的70%以上，而只有2%的水可以供人类饮用。海洋在地球的生态平衡中起着重要作用，产生氧气并帮助调节全球气候。海洋中有许多生物，包括鱼类和其他海洋生物

Whyaresealevelsonourplanetrising?Becauseglobalwarmingmakeslotsoftheiceintheseadisappear.Thatmakesthesealevelsrise.Let’sdiscussWhatproblemsistheEarthfacing?

Problem2Whatdopeopledo?Peoplecatchalotoffisheveryday.What’stheresult(后果)?(fewerandfewerfishintheseaeachyear)Therearefewerandfewerfisheveryyear.Let’sdiscussWhatproblemsistheEarthfacing?

Problem3Whatdopeopledo?Peopleburnthingstomakeenergy.What’stheresult(后果)?(pollutetheair)Thispollutestheair.WhatproblemsistheEarthfacing?

Problem4Whatdopeopledo?Peoplethrowawayalotofrubbisheveryday.What’stheresult(后果)?(pollutetheland)Thispollutestheland.WhatproblemsistheEarthfacing?

Problem5Whatdopeopledo?Peopleputwasteintoriversandseas.What’stheresult(后果)?(pollutethewater)Thispollutesthewater.WhatproblemsistheEarthfacing?

(1)HowmanybigoceansarethereonEarth?(2)Whatdoyouknowaboutthesea?Aquizaboutthesea1Discussthequestionsaboutthesea