高中Unit 4 Natural disasters备课课件ppt

这是一份高中Unit 4 Natural disasters备课课件ppt，共36页。PPT课件主要包含了Ⅰ知识体系图解 ，重点词汇 ，重点短语，重点句式，into ，out　，up　，Ⅲ选词填空 ，crashed　 ，waved　等内容，欢迎下载使用。
1.　　　　　 vt.& vi.碰撞;撞击　n.撞车;碰撞 2.　　　　　 vt.& vi.打扫;清扫 3.　　　　　 n.海浪;波浪　vi.& vt.挥手;招手 4.　　　　　 vi.& vt.侵袭;突击;击打　n.罢工;罢课;袭击 5.　　　　　 vt.& vi.递送;传达　vt.发表 6.　　　　　 n.总结;概括;概要 7.　　　　　 n.长;长度 
crash　sweep　wave　strikedeliver　summary　length
1.sweep away 　　　　　　　　　　 2.refer t 　　　　　　　　 3.relate t 　　　　　　　　 4.have truble with 　　　　　　　　 5.ut f gratitude 　　　　　　　　 6.becme a symbl f 　　　　　　　　 7.live a new life 　　　　　　　　  ruins 　　　　　　　　 
9.run t safety 　　　　　　　　　　 10.carry ut 　　　　　　　　 
消灭;彻底消除　谈到;指的是　与……有关　 在……方面有困难　 出于感激　 成为……的象征　 过着新生活　 把……变成废墟　 跑到安全的地方　 执行;贯彻
1.I was having breakfast with my three children when water started filling my ,dangerus cnditins and damaged rads will make it difficult t deliver fd and supplies.
Ⅱ.用适当的介副词填空1.The terrible earthquake turned the whle city 　　　　　ruins. 2.Tw weeks later,surgens carried 　　　　　the peratin n his leg. 3.Out 　　　　　gratitude,he invited me t dinner that evening. 4.She gladly gave 　　　　　her part-time jb t devte herself entirely t the art. 5.Frm then n,the Suth has becme the symbl 　　　　　Chinese petic culture. 
strike,deliver,crash,wave,effect
1.The driver lst cntrl f the car by accident and 　　　　　　int a tree. 2.The father 　　　　　　gdbye t his sn until the train was ut f sight. 3.The wrkers there went n a　　　　　　 fr better pay three weeks ag. 4.Peple bught s many items n Nvember 11th that it tk a lng time t 　　　　　　　them. 5.Favrable plicies are in 　　　　　t encurage emplyees’ prfessinal develpment.(2019·江苏卷) 
重点词汇1Fishermen,turists,htels,hmes,and cars were swept away by huge waves caused by the strng earthquake that reached a magnitude f 9.0.渔民、游客、旅馆、房屋和汽车被震级达到9.0的强烈地震所引起的巨浪冲走了。【词汇精讲】句中的sweep away意为“消灭;彻底清除”,句中使用的是被动语态。He helplessly watched the wave sweep his cap away.他眼巴巴地看着帽子被海浪卷走了。
【词汇拓展】sweep ff 　　　扫去;吹掉sweep up清扫把……扫入……Let’s sweep up the dust frm the bkshelves.我们把书架上的灰尘扫掉。
【迁移应用】单句语法填空(1)Peple visit their ancestrs’ graves t sweep 　　　　　the dirt. (2)She swept the pile f papers and bks 　　　　 her bag. 
2The undersea quake struck arund 7:00 a.m.,Sunday ff the west cast f Indnesia’s Sumatra Island. 印尼苏门答腊岛西海岸周日上午7点左右发生了海底地震。【词汇精讲】strike vt. & vi.(struck,struck/stricken) 侵袭;突击;击打;突然想到　n.罢工;罢课;袭击句中的strike意为“侵袭;突击”,是及物动词。A huge frest fire brke ut after the lightning struck.闪电过后,突然发生了一场森林大火。The clck was striking ten as we went int the supermarket.当我们进入超市时,十点的钟声正好敲响了。It is hard t say hw lng the strike will last.很难说罢工还要持续多久。A gd idea struck me while I was walking alng the river.我在河边散步时突然有了一个好主意。
【词汇拓展】be struck by 　　　　　　　被……打动/迷住了It strikes/hits/ccurs t sb that...某人突然想起…… ne’s heart使……刻骨铭心g n strike举行罢工be n strike在罢工We are n strike.我们正进行罢工。We were all struck by his speech the ther day.我们都被他那天的演讲打动了。
g n strike意为“举行罢工”,表示动作,是非延续性动词短语,不能和表示一段时间的状语连用。
【迁移应用】完成句子(1)为了争取更多的工资,工人们决定罢工。The wrkers decided t 　　　　　　　　　　　fr better pay. (2)那天老师说的话让我刻骨铭心。What the teacher said the ther day was 　　　　　　　　　　　　　　　　　　　　frever. (3)工人们罢工多久了?Hw lng have the wrkers 　　　　　　　　　? 
g n strike　
struck int my heart
been n strike
3Hwever,dangerus cnditins and damaged rads will make it difficult t deliver fd and supplies. 然而,危险的条件和损坏的道路将使运送食物和补给品变得困难。【词汇精讲】deliver vi.& vt.递送;传达　vt.发表句中的deliver意为“递送”,是及物动词。The newspaper has just been delivered.报纸刚刚送达。Our teacher delivered a speech at the meeting yesterday.我们的老师在昨天的会上发表了讲话。
【词汇拓展】deliver sth t sb 　　　　给某人送某物deliver a speech/lecture演讲/讲课delivery n.投递deliverer n.递送人Did yu deliver my message t my father?你把我的信息传给我父亲了吗?He will deliver a speech in the lecture hall tmrrw.他明天将在演讲厅发表演讲。
【迁移应用】单句语法填空(1)D yu knw the by 　　　　　　　(deliver) the newspapers every day? (2)I am glad t have been invited t yur schl 　　　　　　　(deliver) a lecture. 
delivering　
4effect影响【词汇精讲】effect为名词,意为“影响;结果;效果”。Rainfrests have a great effect n the wrld envirnment.雨林对世界环境有很大影响。
【词汇拓展】cme int/take effect　 　生效;见效have an effect n/upn对……产生影响 effect实施;使……生效/起作用be f n effect是无效果的The radiatin leak has had a disastrus effect n/upn the envirnment.辐射泄漏对环境造成了灾难性的影响。
【迁移应用】完成句子(1)这些措施正在起效。These measures are just beginning t 　　　　　　　　　　　　 . (2)结果是这个计划没用。It turns ut that the plan is f 　　　　　　　　　　. (3)幽默能提高你的精力,这会影响你在学校、工作或个人生活中所做的一切。Humr raises yur energy,and that 　　　 　 　　　　  everything yu d at schl,at wrk,r in yur persnal life.(2020·江苏卷) 
cme int effect/take effect
can have an effect n/upn
重点句式1I was having breakfast with my three children when water started filling my hme. 我正和三个孩子吃早饭,这时水灌进了我家里。【句式剖析】be 意为“正在做……这时(突然)……”,when 为并列连词,表示“这时;突然”,相当于and at this/that time。Jhn was studying in his rm when he heard a scream.约翰正在房间里学习,突然听到了一声尖叫。I was making a phne call when the dr was blwn pen.我正在打电话,突然门被风吹开了。
【句式拓展】was abut t d sth/was ding sth/was ging t d sth/was n the pint f ding sth/had just dne sth+ was abut t g hme when the teacher came.他正要回家,这时老师来了。I had just finished my exam paper when the bell rang.我刚做完试卷,下课铃就响了。
【迁移应用】翻译句子(1)我刚到火车站,火车就开走了。(2)我正要出门,一位不速之客来访了。
答案:I had just gt t the railway statin when the train left.
答案:I was abut t g ut when an unexpected visitr came.
2Hwever,dangerus cnditins and damaged rads will make it difficult t deliver fd and supplies. 然而,危险的条件和损坏的道路将使运送食物和补给品变得困难。【句式剖析】本句是“主语+make+it+adj.(+fr...)+t d...”句式。其中it是形式宾语,真正的宾语是后面的动词不定式短语。This prduced a chain reactin,which made it pssible fr life t develp.这就产生了一系列的反应,使得生命有了发展的可能。In the last decades,advances in space technlgy have made it pssible fr peple t grw vegetables in space.在过去的几十年间,太空技术的进步已经使得人们在太空种植蔬菜成为可能。
【句式拓展】用it作形式宾语的句子主语+find/cnsider/think/believe/suppse/feel/make+it+形容词/名词+that从句I think it imprtant that we shuld learn English well.我认为我们学好英语很重要。
【迁移应用】单句语法填空(1)The tw businessmen are s alike that strangers find 　　 difficult t tell ne frm the ther. (2)We all think 　　　　　imprtant t learn a freign language. (3)They make it pssible fr dctrs 　　　　　(d) cmplicated peratins t save lives. 
文化意识Nature-based slutins t disastersClimate change is increasing the frequency,intensity and magnitude f disasters,leading t a higher number f deaths,injuries and increased ecnmic lsses.Nature-based slutins,such as cnserving frests,wetlands and cral reefs,can help cmmunities prepare fr,cpe with,and recver frm disasters,including slw-nset events such as drught.
Nature can be a cst-effective and n-regret slutin t reducing risks frm disasters,cmplementing cnventinal engineering measures such as sea walls and strm channels.Hwever,investment in“natural infrastructure” is underexplred in plicies aimed at reducing risk.There is an urgent need t invest in nature-based slutins t disaster risk reductin in rder t minimise ur vulnerability t future events.
高分写作概要写作:记叙文阅读课本P54短文,根据其内容写一篇60词左右的内容概要。【题型介绍】概要写作要求学生找关键词和主题句,归纳段落大意;对文章的要点信息进行概括;再对原文中的单词、词组和句子进行合理转换;并有效使用语句间的连接成分,组成一篇连贯通畅的文章。该题型旨在考查学生对整个主题的纲领部分的把握能力。
【要点提示】概要写作对学生的写作能力要求较高,不仅要求学生要先读懂短文内容,把握篇章结构,提炼要点,而且还要求学生完全用自己的语言表达,同时词数还要控制在60词左右,想获得高分确实不易。主要注意点有:1.概括要点要全且准确;2.要点转述表达要到位;3.罗列要点需要润色。
【写作指导】1.根据文章体裁,迅速确定要点记叙文“要素串联法”:记叙文主要是记叙所发生的事情和经历。记叙文通常要交代清楚六要素的内容,即when,where,wh,what,hw,why,给读者一个内容完整、细节清晰的故事。事情的叙述通常按时间的顺序叙述,让读者易于把握所叙述内容之间的内在关联。我们必须抓住记叙文的写作特点或思路,从而更好地理解文章主题,概括出比较中肯的大意,用最简练的语言来说明故事讲述了什么。
2.快速总结各段主旨
3.提炼要点,改写句子要点1:A tsunami caused by the mst pwerful earthquake in the past 40 years struck castlines acrss Asia n Mnday,28 December 2004.It affected at least eight cuntries.要点2:Many peple were killed and a lt mre were affected.要点3:A lt mre peple are still missing.It’s hard fr supplies and rescue wrkers t get there because f dangerus cnditins and damaged rads.4.根据以上所提炼的要点,使用适当的连词,连句成篇
参考范文A tsunami caused by the mst pwerful earthquake in the past 40 years struck castlines acrss Asia n Mnday,28 December 2004,which affected at least eight cuntries.(要点1)Unfrtunately,many peple were killed and a lt mre were affected.(要点2) A lt mre peple are still missing.Hwever it’s hard fr supplies and rescue wrkers t get there because f dangerus cnditins and damaged rads.(要点3)
Ⅰ.单词拼写1.He was drunk when he c　　　　 the car. 答案:crashed2.The wner f the stre was s　　　　 the flr when I walked in. 答案:sweeping3.N rubbish has been cllected since the dustmen went n s　　　　 three weeks ag. 答案:strike4.The English teacher asked the students t give a s　　　　 f the text. 答案:summary5.Training fr a marathn requires careful preparatin and steady,gradual increases in the l　　　　 f the runs. 答案:length