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1、九（上）Unit 2 Saving the Earth Topic 3 What can we do at home to protect the environment?,Section C 制作：郝岗一中（无） 修订人：郭红杰,学习目标： 1.学习并能写出P4748的生词。 2、熟读1a，能够说出1a中重点单词和短语，并能够熟练做题。 3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）,1.自学内容：课本47-48页的生词和短语 2.自学方法：先根据音标试读，同桌互相正音。 3.自学时间：10分钟 4.自学要求：会读，知道其汉语意思。,自学检测（一）,英译汉 1.acid rai
2、n_2.steam_ 3.nuclear_ 4.run out _ 5.biogas_6.source_ 7.technology_8.deep_ 9.wave_ 10.steel_ 11.path_12.straw_ 13.guide_14.renewable_ 15.efficient_16.disadvantage_ 17.wheel_18.process_ 19.per_20.require_ 21.German_22.electric_ 23.maglev train_,酸雨,蒸汽；水汽,原子核的；核动力的,用完，耗尽,沼气,来源；源头,技术,深的；厚的；深深地,挥手；招手；海浪,钢
3、，钢铁,道路；途径,禾秆，稻草,向导；指南,可更新的，可再生的,效率高的,不利因素；障碍,车轮，轮子,步骤，过程；加工，处理,每，每一,需要；要求,德国人；德语,用电的；电动的,磁悬浮列车,自学指导（二）,1.自学内容：课本第47页1a部分 。 2.自学方法：听录音和扫读。 3.自学时间：5分钟。 4.自学要求：听1a，完成图画上的问题。读1a 完成1b,. 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,para
4、graph 3,Paragraph 4,2.做1b： Read 1a and match the words with the pictures on Page 48.,A. acid rain B. nuclear energy C. biogas,A,C,B,adj.原子核的， 原子能的,酸雨,自学指导（三）： 1.自学内容：课本第47页1a部分 。 2.自学方法：精读，猜测词意。 3.自学时间：8分钟。 4.自学要求：精读1 a完成1c。,自学检测（三）1c Read 1a again and complete the table.,renewable,long process and
5、high cost for its building,save energy,no pollution,too small to hold many people,quiet, quick, energy-efficient, no pollution,much more expensive than traditional steel railways,自学指导（四）： 1.自学内容：课本第47页1a部分 第一段。 2.自学方法：精读 3.自学时间：2分钟。 4.自学要求：精读1 a第一段，完成下面判断题。,自学检测（四） Mark True (T) or False (F).,( ) 1.
6、Its good that people produce power from coal. ( ) 2.Nuclear power is dangerous. So we cant use it. ( ) 3.To solve the energy problem, people all over the world are looking for new ways to produce power.,T,F,T,Paragraph 1,自学指导（五）： 1.自学内容：课本第47页1a部分 第二段。 2.自学方法：精读 3.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。,P
7、aragraph 2,2.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（长达30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）,自学指导（六）： 1.自学内容：课本第47页1a部分 第三段。 2.自学方法：精读 3.自学时间：2分钟。 4.自学要求：精读1 a第三
8、段，用所给词的正确形式填空。,Paragraph 3,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
9、people, but _ models will be developed in the near future.,develop, electric, name, save, large,developed,named,electricity,save,larger,自学检测（六）,自学指导（七）： 1.自学内容：课本第47页1a部分 第四段。 2.自学方法：精读 3.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。,Paragraph 4,1.去30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
10、 the airport 30 km away.,2.火车最高时速能够达到每小时431公里。,The train can reach a top speed of 431 km per hour.,自学检测（七）,要点归纳：,1.区别everyday 与 every dayeveryday adj. 每天的，日常的 作定语every day 名词短语 每天，每日作状语,Eg.1.Tom tries to protect the environment _2.Watghing TV is part of my _life. 3.We learn _ English _.,every day,ev
11、eryday,everyday,every day,2.German,n.德国人，德语,Germany n. 德国,pl. Germans,E.g. They are_ , and they are from _ .,Germans,Germany,3,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
12、课。,4,run out 用完，耗尽 E.g. He has run out of food, so his children are hungry.,当堂训练：,1.Id like to buy a book on computer_ (技术). 2.Edison isnt from _（德国 ） , he is an American. 3.The maglev train has no _（轮子）. 4.Teenagers need their parents to _（引导） them. 5.In many countries , there are _（电动的）cars. 6.Be
13、careful ! There is a _（深的） hole at the front . 7.Are there any _（德国人） in your language training school?,We 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. We can: Talk about the advantages and disadvantages of some kinds of energy.,Summary,知识小结：,
