高中Unit 4 Natural disasters课文课件ppt

这是一份高中Unit 4 Natural disasters课文课件ppt，共60页。PPT课件主要包含了课前自主预习，at　as　as　，too　，to　，as if　，were left　，who　，课内要点探究，重 点 单 词，health 　 等内容，欢迎下载使用。

Sectin Ⅰ　Listening and Speaking，Reading and Thinking
Ⅰ．重点单词1．____________n.灾难；灾害2．___________n.旱灾；久旱3．_________vi.& vt.(使)滑行；滑动4．_________n.洪水；大量　vi.淹没；大量涌入　vt.使灌满水；淹没 →___________adj.洪水泛滥的5．__________n.& vt.营救；救援6．__________vt.损害；破坏　n．损坏；损失7．___________vt.摧毁；毁灭
disaster　drught　slide　fld　flded　rescue　damage　destry　
8．_________n.死；死亡9．__________vt.影响；(疾病)侵袭；深深打动10．___________n.避难处；居所；庇护　vt.保护；掩藏　vi.躲避(风雨或危险)11．________n.& vt.破坏；毁坏12．___________n.百分之……　adj.& adv.每一百中 →______________n.百分率；百分比13．_________n.砖；砖块
death　affect　shelter　ruin　percent　percentage　brick　
14．_________n.金属 →_________n.模特；模范；榜样 →_________n.奖章；勋章；纪念章 →_________n.新闻媒体；传媒15．_________n.震惊；令人震惊的事；休克　vt.(使)震惊 →___________adj.感到震惊的 →____________adj.令人震惊的
metal　mdel　medal　media　shck　shcked　shcking　
16．_______________n.电；电能 →____________adj.电动的，用电的 →______________adj.与(用)电有关的；电气科学的 →______________adj.电子的17．________vt.使落入险境；使陷入圈套　n．险境；陷阱18．________vt.埋葬；安葬19．___________vi.& vt.呼吸 →__________n.呼吸；气息 →______________adj.气喘吁吁的；呼吸急促的 →________________adv.气喘吁吁地；上气不接下气地
electricity　electric　electrical　electrnic　trap　bury　breathe　breath　breathless　breathlessly　
20．__________n.努力；艰难的尝试；尽力 →______________adj.不需费力的21．__________n.智慧；才智 →________adj.有智慧的；英明的；明智的 →__________adv.明智地；精明地22．___________n.上下文；语境；背景23．__________vt.遭受；蒙受　vi.(因疾病、痛苦、悲伤等)受苦 →_____________n.疼痛；痛苦；苦难；折磨
effrt　effrtless　wisdm　wise　wisely　cntext　suffer　suffering　
Ⅱ．重点短语1．write ________写下；记下2．refer ______指的是；参考3．think _________考虑4．set ______搭起；建立5．______ least至少6．______ usual像往常一样7．______ if似乎；好像；仿佛
　dwn　　t　　abut　up　
8．cme t ______ end结束；终结9．______ ruins严重受损；破败不堪10．_______ number f ……的数目11．nthing _______除……以外什么也不；只有；只不过12．tens ______ thusands f数以万计的13．______ shck震惊；吃惊14．dig _______掘出；发现15．lk ______抬头看，查阅16．suffer ________...患……疾病；受……之苦
　　　an　in　the　　　　but　　　f　
in　　 ut　　　up　　　 frm　
Ⅲ．重点句型1．Chickens and even pigs were _______ nervus ______ eat，and dgs refused t g inside buildings.鸡甚至猪都紧张得不敢吃食，狗也拒绝进入建筑物中。2．It seemed ________ the wrld were _________________!世界末日似乎到了！
cming t an end　
3．Thusands f children ____________ withut parents.成千上万个孩子变成了孤儿。4．_______________ peple _______ were killed r badly injured in the quake was mre than 400,000.地震中死亡和重伤的人数超过40万。
The number f　
Ⅳ．课文预读Read the text (P50) and chse the best answers.1．All the fllwing unusual things happened befre the quake EXCEPT that _____.A．the water in the village wells rse and fellB．the chickens and even the pigs were t nervus t eatC．tens f thusands f cws wuld never give milk againD．fish jumped ut f the water
2．Befre the earthquake, peple were asleep as usual because _____.A．they didn’t ntice anything strange happeningB．they knew well abut earthquakesC．smething strange happened in many placesD．they didn’t realize the arrival f an earthquake
3．The secnd and third paragraphs are mainly abut _____.A．the great lss the earthquake brught t TangshanB．the number f peple wh were killed r injuredC．when and where an earthquake happenedD．the cause f the big earthquake in Tangshan
4．What des the sentence “Slwly, the city began t breathe again.” mean？______A．The city will nt die.It has hpe.And it can recver frm the pain.B．The army sent 150,000 sldiers t Tangshan t help peple.C．Hundreds f thusands f peple were helped.D．Mst f the 10,000 miners were rescued.5．What is the md (语气) f this passage？______A．Sad.　　　　　　　　　B．Serius.C．Serius and sad.D．Calm.
We had given up the hpe f rescue.我们那时已经放弃了营救的希望。We rescued him frm the enemy’s camp.我们把他从敌营中救了出来。
1．rescue n．& vt.营救；救援
rescue wrker救援人员cme/g t sb’s rescue前来/去营救(某人)从……营救……rescuer n．救助者
单句语法填空①She seemed t be waiting fr smene t cme ______ her rescue.②This by ______________(rescue) frm the running river.完成句子③The fireman ____________________ the burning huse.消防队员从失火的房子里救出一个婴儿。
was rescued　
rescued a baby frm　
The earthquake damaged several buildings.地震使一些建筑受到了破坏。Yu have damaged my bicycle.Yu wn’t have it again.你把我的自行车弄坏了。你别想再用了。Eating t much meat ne time will cause damage t yur stmach.一次吃太多肉会对你的胃造成损害。
2．damage vt.损害；破坏　n．损坏；损失
cause/d damage t＝damage(v.)伤害；损伤d＋n.＋t短语d harm t ＝ be harmful t＝be bad fr对……造成伤害/有害处d gd t sb.＝d sb.gd＝ be gd fr sb.对……有好处d wrng t冤屈，冤枉
单句语法填空①The heavy rain didn’t d much damage ______ the crps.②Her heart ______________(damage) as a result f the disease.完成句子③Fr them, dieting nt nly is useless but als might ______________ _______.对他们来说，节食不仅是无用的，而且可能会损害他们的健康。
was damaged　
damage their 　
A fire destryed the huse.一场火毁坏了那座房屋。The schl was cmpletely destryed by fire.学校被大火彻底烧毁了。All his hpes were destryed.他所有的希望都破灭了。
3．destry vt.摧毁；毁灭
destructin n. [U]破坏；毁坏destructive adj. 破坏性的；造成破坏的
用destry的适当形式填空①The strng earthquake left death and _______________ behind it.②The twn ________________ in the war, but the library remained.③It is the mst _______________ strm in 20 years.④With mre frests __________________，huge quantities f gd earth are being washed away each year.
destructin　
was destryed　
destructive　
being destryed　
He was much affected by the sad news.这个悲惨的消息使他非常难过。The advertising campaign didn’t have much effect n sales.这些广告攻势对销售额并没有起到多大作用。
4．affect vt.影响；(疾病)侵袭；使感染；深深打动；感动
be affected by...被……侵袭；被……感动effect n．影响have an effect /influence n...对……有影响in effect实际上take effect开始实行；开始生效bring/put sth.int effect使某物开始使用cme int effect (尤指法律/规章制度)开始实施
单句语法填空①One f her lungs ______________(affect) a little s that she has t rest.②I think the ____________(affect) patient needs t be islated(隔离)．写出黑体部分的含义③The audience was deeply affected by his selfless spirit.(　感动　)④Mre than seven millin peple have been affected by drught.( 影响 )⑤This disease affects millins in the wrld every year.( 侵袭；感染 )
is affected　
Many f the children in the shelter are rphans.收容所里有好多孩子是孤儿。Human beings need clthing, fd and shelter.人类有衣、食、住的需求。She was accused f sheltering a murderer.她因为庇护谋杀犯而被控告。
5．shelter n．避难处；居所；庇护　vt.保护；掩蔽　vi.躲避(风雨或危险)
give shelter t...给予……庇护的地方under the shelter f...在……的庇护下
单句语法填空①Thugh she was a cmmn persn, she ________________(shelter) by the USA．②The church gave shelter ______ peple n winter nights.
was sheltered　
The strm ruined the crps.暴风雨毁坏了庄稼。If yu g n like this, yu’ll ruin yurself.如果你继续这样下去，你会毁了你自己。
6．ruin n．& vt.破坏；毁坏
in ruins严重受损；破败不堪be reduced t ruins沦为废墟cme/fall int ruin严重受损；破败不堪；崩溃；垮掉bring sth.t ruin使……失败；使……毁坏ruin neself自取灭亡ruin ne’s health/fame毁坏某人的健康/名誉The city laid in ruins after the earthquake.地震之后，这座城市变成了一片废墟。
damage，destry，ruindamage，destry和ruin这三个单词均表示“破坏”“损坏”的意思，但各自的含义和用法不同。
单句语法填空①That mistake __________(ruin) his chance f getting the jb.②This cuntry was nce prud f its educatin system.Nw it seems t be ______ ruins.③The Nrmans built the castle which was reduced ______ ruins.选词填空(ruin/damage/destry)④The car was nly slightly ___________ in the accident.⑤They ttally __________ my life after that cnversatin.⑥Their huse was cmpletely _____________ in the hurricane.
He has never recvered frm the shck f his father’s death.他一直没有从他爸爸去世的打击中恢复过来。Yes, we are still in shck, but we came.是的，我们仍然感到震惊，但我们来了。I was shcked by the way he treated his wn mther.他对待自己母亲的方式令我震惊。We are very shcked t hear that the gds are damaged.得知货物损坏的消息，我们感到非常震惊。
7．shck n．震惊；令人震惊的事；休克　vt.(使)震惊
in shck震惊；吃惊a shck t sb.令某人震惊的事t ne’s shck令某人震惊的是shcked adj.感到震惊的be shcked at/by...对……感到震惊be shcked t d sth.震惊地做某事shcking adj.令人震惊的
单句语法填空①Lincln’s death was a piece f surprising news.The whle natin was ___________(shck) at the sad news.②Lgan’s death was pintless—that was part f the reasn we were ______ shck.③O.Henry’s shrt stries always gave the readers ____________(shck) endings.
一句多译听说他的病很严重，我吃了一惊。④It gave me quite __________ t be tld he was seriusly ill.⑤I ____________________ that he was seriusly ill.
was shcked t hear　
During the fire, he was trapped in the building.火灾发生时，他被困在大楼里。Sme peple like t trap ld peple int buying sme useless things.有些人喜欢诱骗老年人买些无用的东西。The plice set a trap t catch the thief.警察设下圈套来捉拿窃贼。The tw thieves fell int a trap at last.那两个窃贼最终落入了圈套。
8．trap vt.使落入险境；使陷入圈套　n．险境；陷阱
be trapped under/in...被困于……trap sb.int ding sth.诱骗某人干某事set a trap设置陷阱/布下圈套fall int a trap落入圈套
单句语法填空①They were trapped ______ the burning htel.②The fx and the dg bth fell int _____ trap set by the farmer.完成句子③She had _______________ him and he had walked straight int it.她给他设下圈套，他就径直钻了进去。④The yung man _______________________________ his pr quality milk.那个年轻人诱骗那位老太太买了他的劣质牛奶。
set a trap fr　
trapped the ld lady int buying　
Bury the ld wrld and build a new ne.埋葬旧世界，建设新世界。He buried his face in his hands.他双手掩面。His bdy was buried in snw, but his head was sticking ut.他的身体被埋在雪里，但是头伸在外面。Buried in his study, he didn’t knw that the thers had left.他埋头学习，不知道其他人已经离开了。
9．bury vt.埋葬；安葬；使沉浸；使专心
单句语法填空①His head was buried ______ the bk he was reading.一句多译他专心于学习，没有注意到我进来。②He ___________________ study and didn’t ntice me cme in.③He _______________ study and didn’t ntice me cme in.④____________ study, he didn’t ntice me cme in.
buried himself in　
was buried in　
The air was s cld that we culd hardly breathe.空气非常寒冷，我们难以呼吸。The dctr asked me t breathe in, then t breathe ut fully.医生让我先吸气，然后全部呼出。
10．breathe vi.& vt.呼吸
breathe (sth.) in吸气；吸入……breathe (sth.) ut呼气；呼出……breath n．呼吸hld ne’s breath屏住呼吸ut f breath气喘吁吁；上气不接下气take a breath歇口气，歇会儿透口气lse ne’s breath气喘吁吁；上气不接下气breathless adj.喘不过气来的；无风的
单句语法填空①After climbing that lng flight f stairs she was cmpletely ut ______ breath.②They hld _________(they) breath when they watched the match.完成句子③He ___________________，and then jumped int the pl.他深深吸了一口气，然后跳入池中。④They came ut f the tunnel and happily _______________________.他们走出地道，愉快地呼吸着新鲜空气。
tk a deep breath　
breathed the fresh air　
The lcal clubs are making an effrt t attract mre yung peple.地方俱乐部正在努力来吸引更多的年轻人。They spared n effrt t imprve peple’s life.他们不遗余力地改善人民的生活。She tk a deep breath and sat up slwly with great effrt.她深吸一口气，费力地慢慢坐起身来。
11．effrt n．努力；艰难的尝试；尽力
effrt表示一般性的努力(即表泛指意义)，通常是不可数名词。It’s a waste f time and effrt.这是在浪费时间和精力。若强调一次一次具体的努力，通常是可数名词，常与all, these等修饰语连用。All his effrts were f n avail.他的努力都没有用。
单句语法填空①The prisner made an effrt ____________(escape), but he culdn’t climb the prisn wall.②______ an effrt t hnr ur relatinship, I need t tell yu the truth.
句型转换③They are trying their best t prevent the river frm being plluted. →They are _____________________ t prevent the river frm being plluted. →They are ___________________ t prevent the river frm being plluted.
making every effrt　
sparing n effrt　
Many peple are still suffering frm starvatin.很多人仍然在忍受饥饿之苦。Japan is suffering anther disaster because f the nuclear leak.日本因核泄漏正遭受另一场灾难。
12．suffer vt.遭受；蒙受　vi.(因疾病、痛苦、悲伤等)受苦
suffer pain/defeat/hardship/damage遭受痛苦/失败/艰难/破坏suffer frm...受……折磨；患……病suffering n．痛苦；苦恼；让人痛苦的事sufferer n．患难者；患病者
suffer，suffer frm(1)suffer后常加的名词多指抽象的损害、痛苦等，如suffer pain/defeat/lsses/ the result/side effects“遭受痛苦/失败/损失/(承受)结果/副作用”。(2)suffer frm常加具体的不幸或痛苦的名词，表示遭受战争、自然灾害、疾病带来的痛苦。如suffer frm hunger/fld/fever/cld/disease“遭受饥饿/洪水/发烧/感冒/患病”。
He suffered many defeats befre success.成功前他失败了很多次。The child suffers frm measles.这个小孩得了麻疹。
单句语法填空①The ld man went thrugh a lt f ______________(suffer) in the ld days. What’s wrse, he suffered ________ heart attack when he was in his eighties.②A lt f mney has been cllected t help thse _____________(suffer) frm the flds.③Relief fd and clthing shuld be quickly sent t the _____________ (suffer) frm the great fire.
sufferings　
选词填空(suffer/suffer frm)④Unluckily, he ________________ a sudden heart failure and died.⑤Within a few days she became seriusly ill and ____________ great pain.
suffered frm　
They set up a special cmmittee t lk int the matter.他们设立了一个专门的委员会来调查此事。They decided t set up a new schl.他们决定建一所新学校。
1．set up设立；建立
set ff 出发；动身；开始set ut 出发；动身set abut (ding sth.) 开始(做某事)
单句语法填空①—Have great changes taken place in yur village?—Yes.A new schl was set ______ in the village last year.②We set abut ____________(paint) the whle huse but finished nly the frnt part that day.
The meeting has cme t an end.会议已经结束了。Their quarrel came t an end finally.他们的争吵终于结束了。
2．cme t an end结束；终止
cme t an end的主语是物，不用于被动语态。若表示“使……结束”，则用bring sth.t an end。He managed t bring the terrible situatin t an end.他设法结束了这种糟糕的局面。
be at an end结束at the end f...在……的尽头by the end f...到……末尾为止(常和完成时连用)reach the end f the line/rad穷途末路in the end最终；最后make ends meet使收支相抵；勉强维持生计
单句语法填空①Thankfully，I managed t get thrugh the game and the pain was wrth it in _______ end.②The summer vacatin came t ______ end at last.用end的相关短语填空③They dn’t realize their schl life will _______________.他们没有意识到他们的学校生活就要结束了。
cme t an end　
④I am ging t charge a new dress, and pay fr it ______________ the mnth.我要去买一件新衣服，并在月底付款。⑤They had achieved their plan ______________ last mnth.截止到上个月底，他们已经完成了计划。⑥He failed s many times that ____________ he gave up hpe.他失败的次数太多了，以至于他最终放弃了希望。
at the end f　
by the end f　
in the end　
Fr miles and miles I culd see nthing but a great fire and lts f smke.一连好几英里，除了大火和浓烟我什么也看不见。He did nthing but sleep all day lng.他什么也不干，成天睡觉。I can d nthing but bey it.我只能服从。
3．nthing but除……外什么也没有；只有；仅仅
anything but绝不；根本不I was anything but happy abut ging.我一点也不愿意出去。
单句语法填空Under the sil there is nthing _______ sand.
Tens f thusands f peple were watching the game in the stadium when it began t rain.数以万计的人正在体育馆看比赛，这时天突然下起雨来。
4．tens f thusands f数以万计的
thusand, hundred等前有具体数字时不用复数，后接名词时不用f；但如果是表示不确定的数目，即表示“概数”时，用复数形式，且后跟f。tw hundred students 两百名学生hundreds/thusands f...数以百计/千计的……
dzens f许多；大量scres f许多；大量hundreds f数以百计的thusands f数以千计的millins f数以百万计的hundreds and hundreds f成百上千的hundreds f thusands f成千上万的
单句语法填空Thusands ______ peple left the cuntryside t wrk in the city.
They dug ut an ld vase.他们挖出了一个旧花瓶。I tried t dig ut the truth.我设法探出真相。
5．dig ut掘出；发现
dig int 挖掘；深入钻研dig up 找出；查明
单句语法填空I must remember t dig _______ that bk fr yu.
(1)这是由并列连词and连接的两个简单句。(2)太……而不能The wires are t high fr children t reach.线太高，孩子们够不着。
1．Chickens and even pigs were t nervus t eat，and dgs refused t g inside buildings.鸡甚至猪都紧张得不敢吃食，狗也拒绝进入建筑物中。
He was t ill t travel.他病得太重了，不能远行。It’s t ht a day t wrk.天气太热了，无法工作。
句型在下列情况下表示肯定意义：(1)与某些表示心情的或描述性的形容词连用时，t相当于very，意为“非常”。此类形容词常见的有happy, glad, easy, ready, willing, nervus, gd, kind, surprised等。在该用法中，常在t前加上nly, but, all, simply或just，用来加强语气。Tm is (nly) t glad t help yu.汤姆非常乐意帮助你。They are (all) t willing t take the pinins f thers.他们都非常愿意接受别人的意见。
(2)t前有nt, never, can’t等否定词修饰时构成双重否定，表示肯定意义，意为“并非太……；不会太……；再……也不过分”。English is nt t difficult t learn.英语并不难学。It’s never t late t learn.活到老，学到老。Yu can’t be t careful t d yur hmewrk.你做作业越仔细越好。
单句语法填空①The prblem is t difficult fr the students __________ (wrk) ut.翻译句子②I am nly t willing t have smene t speak t.我能找到人聊聊天，______________。③I was t excited t fall asleep last night.我昨晚____________________。④I am never t busy t answer yur phne call!__________________________!
我不会忙得不接你的电话　
as if引导的从句在句中作表语，as if “仿佛；好像”。It seemed as if...意为“看起来好像……”。The child talked t us as if he were a grwn－up.那孩子跟我们谈起话来，像个大人似的。She left the rm hurriedly as if she was angry.她匆忙离开了房间，好像很生气的样子。 It lks as if it will rain befre lng.看起来一会儿就要下雨了。
2．It seemed as if the wrld were cming t an end!世界末日似乎到了！
as if＝as thugh仿佛；好像even if＝even thugh即使
若as if/as thugh引导的从句可能是真实的事情或情况时，用陈述语气；若与事实相反或不符，通常用虚拟语气。表示与现在事实相反，从句谓语动词用过去时，be动词用were；表示与过去事实相反时，从句谓语动词用过去完成时；表示与将来事实相反，谓语动词用wuld/culd/might＋动词原形。
(1)as if/as thugh 引导表语从句。The cluds are gathering.It lks as if it is ging t rain.乌云密布，天看起来像要下雨了。It lks as if the sky were falling dwn.天看起来好像要塌下来似的。
(2)as if/as thugh 引导方式状语从句。He talks as if he were the wner f the wrld.(与现在事实相反，be动词用were)他说起话来好像他主宰这个世界似的。He talks as if he had been t the mn.(与过去事实相反，从句谓语动词用过去完成时)他说起话来好像他去过月球似的。She talks and talks as if she wuld never stp.(与将来事实相反，从句谓语动词用wuld＋动词原形)她说呀说呀，好像永远也说不完。
(3)as if引导方式状语从句时可用省略形式，后面接名词、形容词、副词和介词短语，也可跟分词或不定式。He talks as if a philspher.他说起话来就好像是一个哲学家似的。The lady cried and laughed as if mad.这位女士哭了又笑，好像疯了。
Tm drpped his head and didn’t dare say a wrd, as if nt knwing the answer.汤姆低垂着头不敢说话，好像不知道答案。He talks as if drunk.从他谈话的样子来看，他像是醉了。Tm pened his muth as if t say smething.汤姆张开嘴好像要说什么。
单句语法填空①—What a nise! I can hardly stand it.—It sunds ______ if they are having a party next dr.②The man we fllwed suddenly stpped as if _________(see) whether he was ging in the right directin.
③She lks as if she ________(be) ten years yunger.④He talked abut Lndn as if he ___________(be) there.⑤He pened his muth as if he ____________(say) smething.完成句子⑥It seemed ______________ he had knwn the fact already.他好像早已知道事实了。
as if/thugh　
(1)Thusands f children were left withut parents.是．.. left thusands f children withut parents的被动形式。withut parents 是介词短语，在句中作主语补足语，表示主语的状态。(2)leave表示“使处于……状态”时，可构成“leave＋宾语＋宾补”结构，其中宾补可由名词、形容词、副词、过去分词、现在分词、介词(短语)等充当。
3．Thusands f children were left withut parents.成千上万个孩子变成了孤儿。
Yu shuldn’t have left all the windws pen when yu were sleeping.你睡觉时本不该开着所有的窗子的。(形容词作宾补)She ran away，leaving her byfriend in the rain alne.她跑开了，留她的男友一个人在雨中。(介词短语作宾补)It’s implite f yu t leave the guest standing utside fr half an hur.你让客人在外面站了半个小时真是不礼貌。(现在分词作宾补)The guests left mst f the dishes untuched，because they didn’t taste delicius.大部分菜客人们都没有动，因为它们不可口。(过去分词作宾补)
单句语法填空①We shuld nt leave the tap water ___________(run) r waste any meterials in the lab class.②I left the dr ____________(unlck) when I went ut.③Qi Baishi’s style f painting ften leaves the audience ____________ (guess) and makes them use their imaginatin.
④He didn’t feel excited at the news that ur team wn the game, leaving me ____________(cnfuse)．⑤Firefighters put ut the fire, which left the kitchen ___________ (damage) and the ven cmpletely _____________(destry)．
(1)这是一个主从复合句。句中wh were killed r badly injured in the quake是wh引导的定语从句，先行词是peple，wh是关系代词，代替先行词并在从句中作主语。
4．The number f peple wh were killed r badly injured in the quake was mre than 400,000.地震中死亡和受伤的人数超过40万。
(2)the number f意为“……的数目”，后接可数名词复数形式，作主语时，谓语动词用单数。Tday the number f peple learning English in China is increasing rapidly.目前在中国学习英语的人数正在迅速增加。
a number f等同于many，意为“许多的”，修饰可数名词复数形式，当其所修饰的名词作主语时，谓语动词用复数形式。Quite a number f yung peple believe that mney is a passprt t happiness.相当一部分年轻人认为金钱是获得幸福的通行证。
单句语法填空①A number f teachers _______(be) present tday；the number f them ______(be) 300.②A number f students ________(be) absent frm the meeting yesterday.