Unit1詞匯課件牛津上海版八年級(jí)英語下冊(cè)

8BU1TreesHavefun！ALet’sbegin!Words1.average(adj.)平均的；普通的詞組1：onaverage平均；通常e.g.4,000peopleayeardieofthisdiseaseonaverage.詞組2：below/aboveaverage平均以下/上anaveragestudent一名普通學(xué)生averageheight平均身高beofaverageheight中等身高:【拓展】average(n.)平均數(shù)Words2.fighter(n.)[c]斗士；戰(zhàn)士e.g.Thepolicefinallyarrestedthosefighters.【拓展】(1)fight(n.)[c]打架，戰(zhàn)斗e.g.Thetwoboyshadafight.a/thefightagainststh.e.g.Wearebeginningtobreakthroughinthefightagainstcancer.(2)fight(v.)(fought/f?:t/;fought)打仗；打架；爭(zhēng)論fightsb./sth.與...作斗爭(zhēng)fightwithsb.和某人打架fightforsth.為...而斗爭(zhēng)e.g.Theheroesallfoughtforfreedom.Words3.fact(n.)事實(shí)[c]；現(xiàn)實(shí)[u]；實(shí)際[u]e.g.ItisafactthatmyEnglishspeakingskillsaregettingbetter.e.g.Wehavetofacethefactthattheearthispolluted.詞組：infact事實(shí)是；事實(shí)上e.g.Shedoesn'tlikehimmuch-infact,Ithinkshehateshim!=asamatteroffact【近義】truth(n.)事實(shí)【反義】fiction(n.)虛構(gòu)的事【拓展】factor(n.)因素；要素factual(adj.)事實(shí)的：factualinformation事實(shí)信息Words4.interest(n.)興趣(v.)使...感興趣interested(adj.)感興趣的-interesting(adj.)有趣的詞組1：beinterestedinsth./doingsth.=showinterestinsth./doingsth.=bekeenonsth./doingsth.=befondofsth./doingsth.詞組2：keepsb.interestedinsth./doingsth.使某人對(duì)...感興趣詞組3：placesofinterest名勝古跡=touristattractionsWords5.suppose(v.)think(sth.tobetrue)認(rèn)為；推想；假設(shè)e.g.Isupposeyou’reright.e.g.Scientistssupposedthattheearthwillrunoutofitsresourceinthe20years.詞組：besupposedtodosth.=shoulddosth.【注意】suppose（that），表示猜測(cè)、認(rèn)為，若主句是否定形式，用法同guess/think/believe，且主語為第一人稱，應(yīng)將否定前移到主句；中文翻譯相反；反義疑問句反在從句。e.g.Idon’tsupposehisanswerisright.我認(rèn)為他的答案是不正確的。Idon’tsupposehisanswerisright,isit?Words6.breathe(v.)/bri?e/takeinorletoutairthroughyournoseandmouth呼吸e.g.Theairwassocoldthatwecouldhardlybreathe．詞組：breathein吸入（氣體）=takeinbreatheout呼出（氣體）e.g.Humanstakeinoxygenandbreatheoutcarbondioxide．【拓展】breath/breθ/(n.)呼吸takeadeepbreath深呼吸=breathedeeplybeoutofbreath上氣不接下氣；喘不過氣來holdone’sbreath屏住某人的呼吸1.Mostpeopledon’trealizethattheyare________pollutedair.3.Hisillnessistheresultof_____inharmfulgasesovermanyyears.4.Treesproduceenoughoxygenforusto______(breath).5.Itcanhelpyoucalmdownto______deeply.(breath)Exercise(breath)1.Mostpeopledon’trealizethattheyare________pollutedair.2.Hisillnessistheresultof_____inharmfulgasesovermanyyears.3.Treesproduceenoughoxygenforusto______.4.Itcanhelpyoucalmdownto______deeply.breathebreathbreathingbreatheWords7.pure(adj.)純的，純粹的；純凈的e.g.Weneedpurewater.e.g.Thewaterinmountainriversisusuallypure.流經(jīng)山間的河水通常是純凈的。e.g.ShespeakspureFrench.她講一口純正的法語?！就卣埂縫urity(n.)純潔purely(adv.)=only/completely僅僅；完全e.g.Isawtheletterpurelybychance.purify(v.)凈化e.g.purifywaterWords9.release(v.)釋放；放出（氣體）；宣泄（情感）=letout=setfree=giveoffe.g.releasetheprisoners釋放囚犯詞組：releaseinto釋放到...中e.g.releaseoxygenintotheair【拓展】release(n.)釋放；解脫e.g.Sheexpectsanearlyreleasefromprison.她希望早一點(diǎn)兒出獄。=Sheexpectstobereleasedearlyfromprison.8.gas(n.)氣體[c/u]；煤氣[u]；汽油[u]e.g.severaldifferentkindsofgase.g.greenhousegas溫室氣體Words10.produce(v.)①生產(chǎn)=make/grow；②使...產(chǎn)生，導(dǎo)致=bringaboute.g.IhopeourcompanywillproducesomethinglikeHuaweiP50inthenearestfuture.e.g.Themedicineproducesafeelingofsleepiness.【拓展】product(n.)產(chǎn)品；產(chǎn)物e.g.dairy/meatproductsproduction(n.)生產(chǎn)；產(chǎn)量e.g.Thefactoryproducesmanyniceproductseveryyear.Theproductionisrisingsharply.producer(n.)生產(chǎn)商；制片人e.g.FrenchwineproducerWords11.living(adj.)活著的（作定語，放在名詞前）(n.)[u]生活方式wayofliving【拓展】alive(adj.)活著的（做表語，放在名詞后或動(dòng)詞后）：keep/stayalivelive(adj.)直播的：aliveskatingrace(v.)生存，生活：liveabusylifelively(adj.)活潑的：alivelyclassroom/picture12.scientist(n.)科學(xué)家【拓展】science(n.)科學(xué)：sciencebookscientific(adj.)科學(xué)的scientificstudy/research科學(xué)研究Words13.natural(adj.)/?n?t?r?l/自然的；自然界的naturaldisaster/resources自然災(zāi)害/資源e.g.Itisnaturalforacattocatchmice.貓捉老鼠是本能?！就卣埂縩ature(n.)/?ne?t??(r)/自然，自然界；天性lawsofnature自然規(guī)律e.g.Weneedtobeclosertothenature.e.g.Sheisverysensitivebynature.她生性很敏感。naturally(adv.)順理成章地，自然地；天然地；天生地e.g.Sheisnaturallyverysensitive.Words14.warn(v.)warnsb.(not)todosth.warnsb.of/aboutsth.警告某人某事【拓展】warning(n.)warningofsth./doingsth.15.protect…bydoingsth.通過…保護(hù)...e.g.Theoldmanprotectthewildanimalsbydrivingawaythehunters.

protectsb./sth.fromsth./doingsth....保護(hù)…遠(yuǎn)離stop/keep/prevent…fromsth./doingsth.阻止...遠(yuǎn)離save…from…從…中拯救...Words16.chemical(n.)[c]化學(xué)藥劑；農(nóng)藥produceachemical產(chǎn)生一種化學(xué)成分e.g.Chemicalscankilltheinsectsinthefields.【拓展】chemical(adj.)化學(xué)的：chemicalelements化學(xué)元素；chemicalreactions化學(xué)反應(yīng)chemistry(n.)化學(xué)：chemistryteacher/laboratory/experimentschemist(n.)化學(xué)家；藥劑師17.nasty(adj.)=unpleasant極差的；令人厭惡的nastier-nastiestanastyhabit/temper壞習(xí)慣/脾氣e.g.Somepeoplethinkdurianhasanastytaste.Words18.join(v.)connect連接joinAto/andB把A和B接起來join…together將…連在一起e.g.Thetreesnearbycanjointheirrootstogether.【區(qū)分】join=becomeamemberof…+organizationtakepartin+activity=joinin=participateinenterfor報(bào)名參加：enterforarace/anEnglishcompetition/anexaminationattend（需點(diǎn)名的）活動(dòng)：attendclass/ameeting/alecture/awedding...Words19.communicate(v.)①交流；communicatewithsb.與某人交流e.g.Westudentsshouldcommunicatewithourparents.②傳達(dá)（想法、感情）communicatesth.tosb.把...傳達(dá)給某人e.g.Hewaseagertocommunicatehisideastohisgroup.【拓展】communication(n.)[u]溝通；通訊communicationtechnology/system通訊技術(shù)/系統(tǒng)【區(qū)別】exchange&communicateexchangestudent/ideas/information/gifts交換生/交流想法/交換信息/交換禮物communicateinformation傳達(dá)消息Words20.burn(v.)-burnt-burnt/burned-burned燃燒；著火；使燒焦/燙傷e.g.Peopleusedtoburnanoillamptogetlight.詞組：burnupsth.燒毀burnoutsth./sb.燃盡；用盡beburntout被燃盡；消耗殆盡e.g.Thebuildingiscompletelyburntout.e.g.IwasburntoutafterIfinishedthework.【拓展】burnt/burned(adj.)燒焦的；燙傷的