人教版 (新课标)必修1&2Unit 4 Earthquakes教课ppt课件

这是一份人教版 (新课标)必修1&2Unit 4 Earthquakes教课ppt课件，共60页。PPT课件主要包含了一目了然等内容，欢迎下载使用。

the vibratin may be n greater than the vibratin caused by a passing truck.On average, a pwerful earthquake ccurs less than nce every tw years. At least 40 mderate earthquakes cause damage smewhere in the wrld each year. Abut 40,000 t 50,000 small earthquakes—large enugh t be felt but nt damaging—ccur annually.
Tasks：1．佳句仿写① tsunamis(海啸)． grup ____________.(被称作“甲壳虫”的乐队很受欢迎)② wn't have tea in the huse.____________.(我们将在花园里而不是在室内喝茶)。2．句子翻译(将黑体句子译成汉语)______________________________________________________
Perid 1　Warming Up，Pre­reading & Reading
8．________ adj.极度的9．________ vt.损害；伤害10．destry vt.________ ________ ________11．useless adj.________ ________ ________12．shck/ʃɒk/vt. & vi.________________n．________ ________ ________13．rescue n. & vt.________ ________14．trap/træp/vt.________n．________ ________15．electricity n.________ ________ ________16．disaster n.________ ________17．bury/'berI/vt.________ ________ ________
答案　1.earthquake　2.burst　3.millin　4.event　　7.suffering　8.extreme　9.injure　10.破坏；毁坏；消灭　11.无用的；无益的；无效的　12.(使)震惊；震动；休克；打击；震惊　13.援救；营救　14.使陷入困境；陷阱；困境　15.电；电流；电学　16.灾难；灾祸　17.埋葬；掩埋；隐藏
Ⅱ.短语天地1．____________立刻；马上2．____________仿佛；好像3．____________结束；终结4．in ruins____________5．dig ut____________6．a(great)number f____________答案　1.right away　2.as if　3.at an end　4.严重受损；破败不堪　5.掘出；发现　6.许多；大量的
Ⅳ.预读理解1．Fast Reading：Scan the text and chse the best answers accrding t the text.①The first sentence in Paragraph 1 implies that ________.A．the survivrs didn't think t much f itB．the survivrs were made t lse their senses by the sudden big earthquakeC．the survivrs didn't realize in such a brief instant that it was a terrible earthquakeD．the survivrs didn't think an earthquake culd bring such great damage
②Hw many signs are given that suggest an earthquake wuld happen in the first paragraph?A．Five B．Nine C．Twelve D．Seven③The 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
④The title “A night the earth didn't sleep” means ________.A．the earth was awake all night lngB．peple n the earth culdn't fall asleep that nightC．an earthquake happened that nightD．animals n the earth wuld nt sleep that night⑤What is the md f this passage?A．Sad B．SeriusC．Serius and sad D．Calm答案　①C　②B　③A　④C　⑤C
2．Careful Reading：Read the text carefully and try t master the structure f the text.
答案　①Strange things　②rse and fell　③a smelly gas　④nervus　⑤thught little f　⑥destryed　⑦shake　⑧end⑨felt　⑩crack　⑪in ruins　⑫died　⑬dig ut　⑭shelters　⑮destryed
【比较网站】　shake/tremble
【单项填空】Mr White, a new teacher, std in frnt f the students, his bdy ________with fear.A．trembling B．trembledC．was trembling D．was trembled解析　his bdy与tremble构成逻辑上的主谓关系，故用现在分词。答案　A
【完成句子】①________________ ________(暴风雨突然袭来)and we all gt wet.②He ________________ ________ ________(闯进房间)withut kncking at the dr.答案　①The strm burst　②burst int the rm
3．ruin(1)n.废墟；毁灭We saw the ruins f the church.我们看见了这座教堂的遗址。Drinking was his father's ruin and it will be the ruin f him t！喝酒毁了他父亲，也会毁了他！(2)vt.毁灭；使破产Heavy smking ruined his health.吸烟过度毁坏了他的健康。
【归纳拓展】be in ruins　　　　　　成为废墟cme int ruins 毁灭，成为废墟be the ruin f 成为……毁灭(堕落)的原因ruin neself 自取灭亡ruin ne's health/fame 毁坏某人的健康/名誉
【比较网站】　ruin/destry/damage
选词填空(ruin/destry/damage)①The buildings here were ________in the big earthquake.②He ________his prspects(前途)because f his carelessness.③Smking can severely ________yur health.答案　①destryed　②ruined　③damage
【单项填空】④That car accident_________all his life. After that he was limited t a wheelchair.A．damaged B．destryedC．harmed D．ruined解析　ruin ne's life毁掉某人的生活。答案　D
4．injure vt.损害，伤害Yu'll injure yur health by smking t much.吸烟太多将有害于你的健康。【归纳拓展】injury n．　　　　　　伤，伤口，伤害d an injury t sb 伤害某人injured adj. 受伤的；受委屈的the injured 伤员
【比较网站】　injure/wund/hurt/harm
用injure/wund/hurt/harm的适当形式填空①The sldier was ________in the arm in the war.②She was ________slightly in an accident during the wrk.③I was very much ________at his wrds.④This bright light will d great ________t yur eyes.答案　①wunded　②injured　③hurt　④harm
【归纳拓展】destructin n．　　　毁灭；破坏destructive adj. 破坏(性)的；毁灭(性)的
【单项填空】The fld ________all the bridges, s we had t get there nly by bat.A．destryed B．injured C．harmed D．hurt解析　考查同义词用法辨析。destry毁坏的程度严重，不能修复。结合句意A项最佳。答案　A
【归纳拓展】a shck t...　　　　　　使……吃惊shcked adj. 感到震惊的shcking adj. 令人震惊的be shcked t d sth 做某事很震惊be shcked at... 对……感到震惊点津：shcked adj.“感到震惊的”，表示人的心理状态和感受；shcking adj.“令人震惊的”，说明事物的性质、特征、特点等。
【比较网站】　shck/astnish/surprise
【单词填空】①The big Haiti Earthquake ________(使……震惊)the wrld.②His sudden death was a great ________(震惊)t his family.③He was very much ________(震惊的)at the news.答案　①shcked　②shck　③shcked
【单项填空】④The news is s________that everyne was very much ________at it.A．shcking; shckedB．shcked; shckingC．shcking; shckingD．shcked; shcked解析　句意：这个消息如此震惊，以至于每个人听到时都感到震惊。shcking修饰news，shcked修饰everyne。答案　A
【归纳拓展】g/cme t sb's rescue　　　进行援助/营救某人a rescue team 救援队a rescue missin 营救任务rescue sb frm... 从……中把某人救出来
【比较网站】　rescue/save
【完成句子】①他从大火中把那个女孩救了出来。He ________ the girl ________the big fire.②当我们处于困境的时候，他们来营救我们。They ________________ ________ ________when we were in danger.答案　①rescued；frm　②came t ur rescue
8．trap(1)vt.使陷入困境The plice trapped him int telling the truth.警察设圈套使他讲出实情。(2)n.陷阱，困境The farmer sets traps t catch the rats. 农民放置了许多捕鼠器捕捉老鼠。
【归纳拓展】trap sb int sth/ding sth　　　诱使某人(做)……be trapped in 困在……中；陷在……中set traps t d sth 设置陷阱做……
【完成句子】①有望这个抢劫者正好落入我们的圈套。Hpefully, the rbber will fall right int ur ________.②她被困于燃烧的房子中。She was ________in the burning huse.答案　①trap　②trapped
【单项填空】________ himself in the newspaper, he didn't ntice what was happening.A．Having buried B．BuryingC．Buried D．T be buried解析　bury neself in＝be buried in埋头于；专心于。此处为现在分词作状语。句意：他埋头于读报，没有注意到发生的事情。答案　B
1．right away 立刻，马上，毫不耽搁I tld him right away what I thught f him.我直截了当地告诉了他我对他的看法。【归纳拓展】right nw　　　　立即，马上right and left 到处；处处see sb right 确保或负责满足某人的一切要求put sb right 纠正某人的错误
【单项填空】On hearing the shuts f “help”， he rushed t the river ________.　A．right nw B．right ffC．right away D．All the abve解析　right nw, right ff和right away都有“立即，马上”的意思。答案　C
2．as if 仿佛；好像It lks as if a strm wuld cme sn.一场暴风雨似乎很快就要来了。【归纳拓展】as if的用法：(1)as if引导从句。①在lk, seem等系动词后引导表语从句。It seems as if ur team is ging t win.看来我们队好像要获胜了。
②引导方式状语从句。She lves the by as if she were his mther.她爱这个男孩，就好像她是他的母亲一样。(2)as if还可用于省略句中。如果as if引导的从句是“主语＋系动词＋其他”结构，可省略主语和系动词，这样as if后就只剩下名词、不定式、形容词(短语)、介词短语或分词等。
Tm raised his hand as if(he was ging)t say smething.汤姆举起手好像要说什么。She left the rm hurriedly as if(she was)very angry.她匆忙离开房间好像很生气。注意：as if从句的语气及时态。(1)as if从句用直陈语气的情况：当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。He talks as if he is drunk.从他谈话的样子来看他是醉了。
(2)as if从句用虚拟语气的情况：当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时。从句虚拟语气中动词时态的形式如下：①从句表示与现在事实相反，谓语动词用一般过去式。Yu lk as if yu didn't care.你看上去好像并不在乎。He talks as if he knew where she was.他说话的样子好像知道她在哪里似的。
②从句表示与过去事实相反，谓语动词用“had＋过去分词”。He talks abut Rme as if he had been there befre.他说起罗马来好像他以前去过那儿似的。③从句表示与将来事实相反，谓语动词用“wuld/culd/might＋动词原形”。He pens his muth as if he wuld say smething.他张开嘴好像要说什么。
【完成句子】①It seems ________________ ________ ________ ________(他好像在做梦)．②She treats him ________________ ________ ________ ________ ________(好像他是一个陌生人)．③He pened his muth ________________ ________ ________ ________(好像要说什么)．答案　①as if he were dreaming　②as if he were a stranger③as if t say smething
3．at an end结束，终结The war was at an end.战争结束了。He went n spending freely until his mney was at an end.他继续大把地花钱直到用完为止。【比较网站】　at an end/at the end the end/by the end t an end
选词填空(at an end/at the end f/by the end f/in the end)①Hw many English wrds had yu learned ________last term?②He became an utstanding dctr ________.③My uncle will fly t China ________this year.④My hliday is ________and I must g back t wrk sn.答案　①by the end f　②in the end　③at the end f　④at an end
4．a (great)number f 许多，大量的A great number f new factries have been set up in my hmetwn.我的家乡建立了许多新工厂。【比较网站】　a number f/the number f
【单项填空】The number f freign students attending Chinese universities ________rising steadily since 1997.A．is B．areC．has been D．have been解析　考查主谓一致。主语是the number，故谓语动词用单数，又因时间状语是since 1997，所以用完成时态。答案　C
5．dig ut(1)掘出The sldiers had t dig the dead ut f the ruins.士兵们不得不把死者从废墟里挖出来。(2)发现，找出He tried his best t dig ut the truth.他设法找出真相。
【归纳拓展】dig fr　　　寻找dig int 探究；探寻dig up (在播种或建筑等前)掘地；平整土地
填入恰当的介副词①Yu'll need t dig deep ________ the recrds t find the figures yu want.②They are digging ________the ftball field t make a new surface.③The miners are busy digging ________gld nw.答案　①int　②up　③fr
1．In the farmyard, the chickens and even the pigs were t nervus t eat.农家大院里的鸡，甚至猪都因过于惶恐而不想进食。太……而不能……，含有否定含义，相当于 t...。She is t shrt t reach the bk n the shelf.＝She is nt tall enugh t reach the bk n the shelf.她太矮了而不能够到架子上的书。
【归纳拓展】(1)当t后的形容词是表示心情或描述性的形容词，如happy, pleased, willing, thankful, delighted, anxius, eager, easy, kind, gd, interesting, pleasant等时，此结构没有否定意义，而表示肯定含义。t意为“十分，非常”，这时t前可以有副词far, much, nly或but修饰，但意义不变。I am t delighted t accept yur invitatin.我非常高兴地接受你的邀请。
(2)结构中的t前有否定词，如never时，此结构表示肯定含义。It is never t late t learn.活到老，学到老。(3)t＋adj.＋fr sb/sth t d sth表示“太……以至于某人/某物不能做某事”。The prblem is t difficult fr me t wrk ut.这个问题太难了，我解答不出来。(4)can never be t...无论……也不过分。Yu can never be t careful when crssing the street.你过马路时怎样小心也不为过。
【单项填空】Yu ________pay t much attentin t yur handwriting, as it is s imprtant.A．can't B．shuldn'tC．mustn't D．needn't解析　can'无论……也不过分。答案　A
2．Mice ran ut f the fields lking fr places t hide.老鼠从地里跑出来找地方躲。此句中的现在分词lking fr places t hide作伴随状语，修饰谓语ran ut f...。现在分词作状语还可以表示时间、原因、结果、条件、让步或方式等。Seeing thse pictures, she remembered her childhd.看到那些画，她想起了她的童年。Nt knwing his address, I can't send this bk t him.因为不知道他的地址，我不能把这本书寄给他。
【感悟高考】He had a wnderful childhd, ________with his mther t all crners f the wrld.(2010·安徽，30)A．travel B．t travel C．traveled D．traveling解析　考查非谓语动词。句意：他度过了一个美好的童年，和妈妈游遍了世界各地。现在分词在句中作伴随状语。答案　D
3．All hpe was nt lst.不是所有的希望都破灭了。此句为部分否定的表达。不定代词all与否定副词nt连用，表示部分否定。【归纳拓展】(1)除all之外，英语中的bth, each, every, everybdy, everything等具有总括意义的代词与否定词nt连用，构成部分否定，表示“不都，并非都”的意思。
(2)英语中的n, nne, never, nbdy, nthing, neither, n ne, nwhere, n mre, n lnger, n way, nt... either等表示否定意义的词(词组)与肯定式谓语一起使用构成全部否定。Nt everyne likes him.并不是每个人都喜欢他。All f us dn't have such experiences.并不是我们每个人都有这种经历。Either view is nt crrect.两种见解都不对。