四川省广安市岳池县第一中学高中英语《Module 4 Sandstorms in Asia 第5课时》学案 外研版必修3.doc

Period 5: Cultural Corner学习目标：1.深入理解Cultural Corner，掌握文中基础知识，提升读、说语言运用能力。2.自主学习，合作探究；掌握泛读、速读和略读的阅读方法。3.了解沙尘暴对环境的影响，唤起人们加强环保意识。重点：找出Cultural Corner中的重难点句子。难点：动词不定式的用法以及if possible 引导状语从句。预习案使用说明&学法指导1.在预习Cultural Corner时，要把课文通读两遍，先（第一轮）通读教材，完成表层理解题，（第二轮）再勾画出文中的疑难点。2.完成时间20分钟。课前预习课前记忆：特殊定语从句句型我们大家都知道中国在世界上人口最多。As is known to us all，China has the largest population in the world.China has the largest population in the world，which/as is known to us all.It is known to us all that China has the largest population in the world.What is known to us all is that China has the largest population in the world. Part Two 重点句型与长难句探究学习建议 通过分析关键词和句子成分来理解长难句。【教材原句】The garbage is then taken away and, if possible，recycled.(P39)然后垃圾被带走，如果可能的话会进行回收利用。【句法分析】(1)if possible是if it is possible的省略形式。当if，when, while，until，unless，once，whether等引导的状语从句的主语与主句的主语相同，并且从句中含有系动词be的某种形式时，或从句的主语是it且含有be动词时，从句中的主语及部分谓语(be动词)可省略。(2)if引导省略的情况有下列几种：if any如果有的话if necessary如果需要的话if so如果是这样的话来源:Z+xx+k.Comif ever如果曾经有的话if not 如果不这样的话小贴士状从省略巧妙记，从主it亦可以。省略条件看仔细，从谓必有be形式。主从同享一主语，省略从主还有be。从主：从句主语从谓：从句谓语。Unless necessary，youd better not refer to the dictionary.你最好别查字典，除非有必要。I want to avoid the rush hour traffic if possible.如果可能的话，我想避开交通高峰期。I think theres a train at midday.If not youll have to wait till 1230.我想正午会有一班火车。要是没有，你只好等到12点半了。Brian rarely, if ever，gets to bed before 3 am.布赖恩难得在凌晨3点钟以前上床睡觉。I dont suppose there will be more than a dozen left，if any.我认为即使还有的话也不会超过十二个。Part Three 课后学习指导牢记本节Cultural Corner中的基础知识、日常用语及其例句，并完成下列练习。1.我们相当担心父亲的健康。（翻译） _ 2.在我看来，这一想法十分荒唐。（翻译）6 _ _3他在大学专修数学。（翻译） _ 课后学习指导1. We are rather concerned about fathers health.2. As far as Im concerned, the whole idea is crazy.3. He majors in maths in college.课后练习1Today we have chat rooms，text messaging，emailing.but we seem _ the art of communicating face­to­face.AlosingBto be losingCto be lostDhaving lost2Much remains _ with this matter.Youd better wait with patience.AdoingBto do Cto be done Dbeing done 3He looked quite _ at the sight of the result.Asatisfied Bsatisfying Csatisfactory Dbeing satisfied4Listen！It appears _ outside.Ato have rainedBto be rainingCrainingDto rain5It is _ for us to fish by the river at sunset in summer.Ato relaxBrelaxingCrelaxedDbeing relaxed微写作写作素材1现在越来越多的人抱怨大气污染。2保护环境已成为社会的一个主要关注点。3污染对环保来说是一个巨大的挑战。提示黑体部分用本单元词汇表达。连句成篇(将以上句子连成一篇50词左右的英语短文) _