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九（上）九（上）Unit 2 Saving the EarthTopic 3 What can we do at home to protect the environment?Section C 学习目标：学习目标：v1.学习并能写出P4748的生词。v2、熟读1a，能够说出1a中重点单词和短语，并，并能够熟练做题。v3培养学生通过上下文语境猜测词义的学习策略。自学指导（一）v1.自学内容：课本47-48页的生词和短语v2.自学方法：先根据音标试读，同桌互相正音。v3.自学时间：10分钟v4.自学要求：会读，知道其汉语意思。自学检测（一）v英译汉v1.acid rain_2.steam_v3.nuclear_ 4.run out _v5.biogas_6.source_v7.technology_8.deep_v9.wave_ 10.steel_v11.path_12.straw_v13.guide_14.renewable_ 15.efficient_16.disadvantage_ 17.wheel_18.process_ 19.per_20.require_ 21.German_22.electric_v23.maglev train_酸雨酸雨蒸汽；水汽蒸汽；水汽原子核的；核动力的原子核的；核动力的用完，耗尽用完，耗尽沼气沼气来源；源头来源；源头技术技术深的；厚的；深深地深的；厚的；深深地挥手；招手；海浪挥手；招手；海浪钢，钢铁钢，钢铁道路；途径道路；途径禾秆，稻草禾秆，稻草向导；指南向导；指南可更新的，可再生的可更新的，可再生的效率高的效率高的不利因素；障碍不利因素；障碍车轮，轮子车轮，轮子步骤，过程；加工，处理步骤，过程；加工，处理每，每一每，每一需要；要求需要；要求德国人；德语德国人；德语用电的；电动的用电的；电动的磁悬浮列车磁悬浮列车自学指导（二）v1.自学内容：课本第47页1a部分。v2.自学方法：听录音和扫读。v3.自学时间：5分钟。v4.自学要求：听1a，完成图画上的问题。读1a 完成1b .自学检测（二）自学检测（二）1.Look at the pictures.Do you know what they are?Choose the right picture for each paragraph.paragraph 2 paragraph 3 Paragraph 42.做做1b：Read 1a and match the words with the pictures on Page 48.A.acid rain B.nuclear energy C.biogas ACBadj.原子核的，原子能的酸雨自学指导（三）自学指导（三）：v1.自学内容：课本第47页1a部分。v2.自学方法：精读，猜测词意。v3.自学时间：8分钟。v4.自学要求：精读1 a完成1c。自学检测（三）自学检测（三）1c Read 1a again and complete the table.ItemAdvantageDisadvantagebiogas electric vehicle maglev train renewablelong process and high cost for its building save energy,no pollutiontoo small to hold many people quiet,quick,energy-efficient,no pollution much more expensive than traditional steel railways 自学指导（四）自学指导（四）：v1.自学内容：课本第47页1a部分 第一段。v2.自学方法：精读v3.自学时间：2分钟。v4.自学要求：精读1 a第一段，完成下面判断题。自学检测（四）自学检测（四）Mark True(T)or False(F).v()1.Its good that people produce power from coal.v()2.Nuclear power is dangerous.So we cant use it.v()3.To solve the energy problem,people all over the world are looking for new ways to produce power.TFT 自学指导（五）自学指导（五）：v1.自学内容：课本第47页1a部分 第二段。v2.自学方法：精读v3.自学时间：2分钟。.4.自学要求：精读1 a第二段，翻译下面句子。2.Its key disadvantage is that the process requires a long time(up to 30 days)and the cost is high.它最大的缺陷是生产过程需要很长时间（长它最大的缺陷是生产过程需要很长时间（长达达30天）和成本高。天）和成本高。1.The renewable energy is used in peoples everyday lives.这种可再生能源被应用到人们每天的生活到中去。自学检测（五）自学检测（五）自学指导（六）自学指导（六）：v1.自学内容：课本第47页1a部分 第三段。v2.自学方法：精读v3.自学时间：2分钟。v4.自学要求：精读1 a第三段，用所给词的正确形式填空。Electric vehicles were _ in the 1990s.On April 11,2010,a new kind of electric vehicle _“Yezi”was shown in the 2010 Shanghai World Expo.It produces _ from the sun,the wind and CO2.It can not only protect the environment but also _ energy.Its too small to hold many people,but _ models will be developed in the near future.develop,electric,name,save,large developednamedelectricitysavelarger自学检测（六）自学检测（六）自学指导（七）自学指导（七）：v1.自学内容：课本第47页1a部分 第四段。v2.自学方法：精读v3.自学时间：3分钟。.4.自学要求：精读1 a第四段，翻译下面句子。1.去去30公里以外的飞机场只需花费人们七分钟的时间。公里以外的飞机场只需花费人们七分钟的时间。It takes people just 7 minutes to go to the airport 30 km away.2.火车最高时速能够达到每小时火车最高时速能够达到每小时431公里。公里。The train can reach a top speed of 431 km per hour.自学检测（七）自学检测（七）要点归纳：v v1.区别everyday 与 every dayv everyday adj.每天的，日常的 作定语v every day 名词短语 每天，每日v 作状语Eg.1.Tom tries to protect the environment _ 2.Watghing TV is part of my _life.3.We learn _ English _.every dayeverydayeverydayevery dayv2.German n.德国人，德语德国人，德语Germany n.德国德国pl.Germans E.g.They are_ ,and they are from _.GermansGermany3,require 有两种用法：*require(doing)sth.表示主语“该.了”。如：The floor requires washing.地板该洗了。*be required to do sth.表示主语必须（被要求）.如:Students are required to attend classes.学生必须按规定上课。4,run out 用完，耗尽用完，耗尽E.g.He has run out of food,so his children are hungry.当堂训练：v1.Id like to buy a book on computer_ (技术).v2.Edison isnt from _（德国）,he is an American.v3.The maglev train has no _（轮子）.v4.Teenagers need their parents to _（引导）them.v5.In many countries,there are _（电动的）cars.v6.Be careful!There is a _（深的）hole at the front.v7.Are there any _（德国人）in your language training school?vWe learn:1.Some words:technology,wheel,steel,require,German,guide,deep 2.Some phrases:run out 3.Some sentences:（1）.The renewable energy is used in peoples everyday lives (2)They will never run out so they are called renewable sources.vWe can:Talk about the advantages and disadvantages of some kinds of energy.知识小结知识小结：
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