Unit5RevealingnatureUsingLanguage課件高中英語選擇性

Unit5Revealingnature

Usinglanguage1.declaredeclare...(tobe...) declarewaron... declarethat... declaresth.illegal declareindependencefromdeclareoneselftobe... Itisdeclaredthat... 練習(xí)：Theworkersdeclared_______theofferofincreasedpayandholidays.Vocabulary

for宣布/宣稱……(為……)向……宣戰(zhàn)宣布/宣稱……宣布……非法宣布擺脫……獨(dú)立宣稱自己……據(jù)宣布……2.blameblamesb./sth.forsth. Blamesb.for(doing)sth. take/accepttheblame(forsth.)put/lay/placetheblameonsb. theblamelieswithsb.

練習(xí)：Mariestillblamesherself_______Patrick'sdeath.Vocabulary

for把某事歸咎于某人/某物因(做)某事而責(zé)備某人承擔(dān)(某事的)責(zé)任把責(zé)任歸于某人責(zé)任在于某人3.declinedeclineby... declineto... declinein... declinetodosth.

練習(xí)：Carsaleshavedeclined_________aquarter.Vocabulary

by減少了……減少到……在……方面降低拒絕做某事4.beharmfultodoharmtosb./sth.=dosb./sth.harmcausesb./sth.harm sufferharm domoreharmthangood thereisnoharmindoingsth. meannoharm/notmeananyharm

練習(xí)：Trytoreducetheuseofchemicalsthatare_________(harm)totheenvironment.Vocabulary

harmful對(duì)某人/某物有害對(duì)某人/某物造成傷害受到損害弊大于利不妨做某事，做某事沒有壞處無意傷害沒有惡意5.behometomakesb.feelathome befeelathome makeyourselfathome findahomeforsth. hit/strikehome (both)athomeandabroadmakeoneshome 練習(xí)：Warwickishome_________some550internationalstudents.Vocabulary

使某人感到賓至如歸舒適自在，不拘束別拘束找地方安置某物(言語等)正中要害；使人接受(或認(rèn)清)現(xiàn)實(shí)在國內(nèi)外定居，居住to1PARTONELeading-inDoActivity1onPage70.Lookatthesentencesfromthereadingpassageandanswerthequestions.Insentence(a),whichactionhappenedfirst,"suspected"or"evolvedfromacommonancestor"Insentence(b),whichactionhappenedfirst,"refusedtobelieve"or"evolvedfromlowerformsoflife"?Whatdoesthestructurehaddoneindicate?Suggestedanswers:Insentence(a),"evolvedfromacommonancestor"happenedfirst.Insentence(b),"evolvedfromlowerformsoflife"happenedfirst.Itindicatestheactionhappenedbeforeacertainpastaction.2PARTtwoPresentationShehadworkedfortwelvehoursby8:00p.m.ShehadlearnedEnglishbeforeshecametoBritain.Bytheendoflastmonth,wehadfinishedhalfoftheproject.Lookatthefollowingsentences.Whatcanyoufind?構(gòu)成：had+過去分詞標(biāo)志性時(shí)間狀語Pastperfect——過去完成時(shí)構(gòu)成：過去完成時(shí)由“助動(dòng)詞had(通用于各種人稱和數(shù))+過去分詞”構(gòu)成。用法：①表示在過去某一時(shí)間或某一動(dòng)作之前已經(jīng)完成的動(dòng)作或存在的狀態(tài)②過去某一時(shí)刻之前發(fā)生的動(dòng)作或狀態(tài)持續(xù)到過去某個(gè)時(shí)間或還要持續(xù)下去③與過去事實(shí)相反的虛擬條件從句④固定句型⑤未曾實(shí)現(xiàn)的希望、打算、意圖、諾言、想法等區(qū)分：①與現(xiàn)在完成時(shí)的區(qū)別②與一般過去時(shí)的區(qū)別過去完成時(shí)表示在過去某一時(shí)間或某一動(dòng)作之前已經(jīng)完成的動(dòng)作或存在的狀態(tài)。Ihadfinishedmyhomeworkbeforesupper.我在晚飯前就把作業(yè)做完了。還可表示過去某一時(shí)刻之前發(fā)生的動(dòng)作或狀態(tài)持續(xù)到過去某個(gè)時(shí)間或還要持續(xù)下去，常用的時(shí)間狀語有bythen，bytheendof等。Bytheendoflastweek,shehadlearned10Englishsongs到上周為止，她已經(jīng)學(xué)習(xí)了10首英文歌曲。用法用于表示與過去事實(shí)相反的虛擬條件從句中。Ifhehadseenyouyesterday,hewouldhaveaskedyouaboutit.假如他昨天看到你，他就會(huì)問你這件事了。過去完成時(shí)也用于hardly...when...，nosooner…than...，Itwasthefirsttime+that(從)等一些固定句型中。Hehadnosoonerlefttheroomthantheybegantotalkabouthim.他剛離開房間，他們就議論起他來。用法表示未曾實(shí)現(xiàn)的希望、打算、意圖、諾言、想法等，常用過去完成時(shí)。Ihadhopedtoseeheragain.我本希望再見她一面。(沒能如愿)用法過去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別現(xiàn)在完成時(shí)表示的動(dòng)作發(fā)生在過去，以現(xiàn)在的時(shí)間為基點(diǎn)，但側(cè)重對(duì)現(xiàn)在產(chǎn)生的結(jié)果或造成的影響，與現(xiàn)在有關(guān)，其結(jié)構(gòu)為“助動(dòng)詞have(has)+過去分詞”；過去完成時(shí)則是一個(gè)相對(duì)的時(shí)態(tài)，以過去時(shí)間為基點(diǎn)，它所表示的動(dòng)作不僅發(fā)生在過去，更強(qiáng)調(diào)“過去的過去”，只有和過去某時(shí)或某動(dòng)作相比較時(shí)，才用到它。Ihavelearned1,000Englishwordssofar.到目前為止我已經(jīng)學(xué)會(huì)了1000個(gè)英語單詞。Ihadlearned1,000Englishwordstillthen.到那時(shí)為止我已經(jīng)學(xué)會(huì)了1000個(gè)英語單詞。區(qū)分過去完成時(shí)與一般過去時(shí)的區(qū)別(1) 時(shí)間狀語不同:過去完成時(shí)在時(shí)間上強(qiáng)調(diào)“過去的過去”，而一般過去時(shí)只強(qiáng)調(diào)過去某一特定的時(shí)間。比較：Theyhadarrivedatthestationbytenyesterday.他們昨天十點(diǎn)之前就已經(jīng)到達(dá)車站了。Theyarrivedatthestationattenyesterday.他們昨天十點(diǎn)到達(dá)車站。區(qū)分過去完成時(shí)與一般過去時(shí)的區(qū)別(2) 在沒有明確的過去時(shí)間狀語作標(biāo)志時(shí)，謂語動(dòng)詞動(dòng)作發(fā)生的時(shí)間先后須依據(jù)上下文來判斷：先發(fā)生的用過去完成時(shí)，后發(fā)生的則用一般過去時(shí)。Shehadjustwonthefirstprizeinthecompositioncompetition.Shewasveryhappy.Herwholefamilywerepleasedwithher,too.她剛剛在作文競賽中獲得了一等獎(jiǎng)。她很高興，她的所有家人也對(duì)她感到滿意。區(qū)分3PARTthreePractice完成練習(xí)，及時(shí)鞏固Exercise:We____________(paint)thehousebeforewe_______(move)in.Paul_______(go)outwithJaneafterhe__________(make)aphonecall.3)Tom_______(say)he__________(read)thebooktwice.hadpaintedmovedwenthadmadesaidhadreadExercise:4)他說自從1989年以來他就在那家工廠工作。Hesaid____________________________since1989.5)我認(rèn)為我一星期前就把信寄出去了。Ithought_____________________aweekbefore昨晚九點(diǎn)之前我已看完這本小說了。______________________________bynineo'clocklastnight.hehadworkedinthatfactoryIhadsenttheletterIhadfinishedreadingthenovelDoActivity2onPage70.Completetheparagraphswiththeinformationfromthegivensentences.Thesentencesareintheorderinwhichtheyhappened.Theycanhelpyoutodecidetheuseoftenses.beganhadledto

developedchosetohad

madeDoActivity3&4onPage71.①Completetheonlineencyclopaediaentrywiththecorrectformofthewordsinthebox.arrivedhadlivedeatenhadintroducedcompeteddeclinedDoActivity3&4onPage71.②WorkinpairsActoutarole-playusingtheinformationinActivity3.OneofyouwilllaythekeeperofLonesomeGeorge,andtheotherwillplaythereporteraskingaboutGeorge.Usethepastperfecttensewhereappropriate.4PARTfourProduction完成練習(xí)DoActivity5onPage71.Listentothepodcastandchoosethestatementsthataremade.①Biodiversityisimportant.②Bacteriaarealwaysharmfultohumans.③Somespeciesofbacteriaareusedinfoodproduction.④Manyspeciesofbacteriarecycledeadorganicmatter.⑤Ourimmunesystemsareabletofightoffallgerms.Suggestedanswers:③④DoActivity6onPage71.Listenagainandcompletethefactsheet.Suggestedanswers:madeupofcells Bricksthatareusedtobuildhousesthirtytrillion Thirty-ninetrillionhelpwithdigestion BreakdownDoActivity7onPage72.Completetheboxeswiththeexpressionsfromthepodcast.Doyouknowabout…?Haveyouheardof…?Bytheway,…Actually,…Infact,…Speakingofwhich,…DoActivity8onPage72.Readthepassageandanswerthequestions.①Whatspeciesarementionedandwhatisspecialaboutthem?②Whatotherunusuallifeformsdoyouknowof?Suggestedanswers:①Twospeciesarementioned:thebluewhaleandthewaterbear.ThebluewhaleisthelargestanimalspeciesonEarth，whichcangrowuptoalmost30metresinlengthandweighover130,000kilos.Thewaterbearisprobablythetoughestspecies，whichcansurvivetemperaturesfrom150Ctoabelowfreezing-272℃.DoActivities9&10onPage73.①Completetheparagraphswiththecorrectformofthewordsandexpressionsinthebox.Suggestedanswers:1.ishometo2.Arenativeto3.scientific4.Habitats5.Ecosystem6.Appearance7.primitive8.AncestorDoActivities