高一英语7单元知识点归纳

高一英语7单元知识点归纳

1.Vocabulary-词汇

-Globalwarming:TheincreaseintheaveragetemperatureoftheEarth'satmosphereandoceansduetogreenhousegasemissions,primarilycarbondioxidefromburningfossilfuelsordeforestation.

-Greenhouseeffect:TheprocessbywhichcertaingasesintheEarth'satmospheretrapheat,causingtheplanettowarmup.

-Carbonfootprint:Thetotalamountofgreenhousegasesproduceddirectlyandindirectlybyanindividual,organization,event,orproduct.

-Deforestation:Thepermanentremovalofforeststomakewayforotherlanduses,suchasagricultureorurbanization.

-Renewableenergy:Energythatisgeneratedfromsourcesthatarenaturallyreplenished,likesunlight,wind,orwater.

-Fossilfuels:Fuelsderivedfromancientorganicmaterials,suchascoal,oil,andnaturalgas.

-Meltingglaciers:Theprocessinwhichglaciersandicecapslosemass,mainlythroughmelting.

2.Grammar-语法

-Passivevoice:Inpassivevoicesentences,thesubjectreceivestheactionoftheverbratherthanperformingtheactionitself.Itisoftenusedwhenthefocusisonwhatisbeingdoneratherthanwhoisdoingit.Forexample:"Therainforestisbeingdestroyedbyloggingcompanies."

-Reportedspeech:Whenwereportwhatsomeoneelsesaid,weoftenneedtochangetheverbtensesandpronounstoreflectthatitisreportedspeechandnotdirectspeech.Forexample:"Shesaidshewasgoingtorecyclemore."

3.Readingcomprehension-阅读理解

-Understandingmainideas:Beingabletoidentifythemainideaofapassageorarticleiscrucialforunderstandingtheoverallmessage.Lookforkeywordsorphrasesthatsummarizethemainpoint.

-Inference:Makinginferencesinvolvesusingcluesfromthetexttodrawconclusionsormakeeducatedguessesaboutthingsthatarenotdirectlystated.Thisrequiresreadingbetweenthelinesandusingbackgroundknowledge.

-Contextclues:Whenencounteringunfamiliarwordsorphrases,contextcluescanhelpdeterminethemeaning.Lookforsurroundingwordsorphrasesthatprovidehintsabouttheword'smeaning.

4.Speakingandwriting-口语和写作

-Expressingopinions:Whendiscussingglobalwarming,itisimportanttobeabletoexpressyourownopinionsandsupportthemwithevidenceorreasons.Forexample:"Ibelievethatglobalwarmingisprimarilycausedbyhumanactivitiesbecauseofthesignificantincreaseingreenhousegasemissionsoverthepastcentury."

-Presentingarguments:Whenwritingessaysorgivingpresentationsonglobalwarming,itisimportanttopresentclearandlogicalarguments.Eachargumentshouldbesupportedwithrelevantevidenceorexamples.

-Usingcohesivedevices:Cohesivedevicesarewordsorphrasesthathelplinkideaswithinasentenceorparagraph,makingthetextflowsmoothly.Examplesinclude:"additionally,""however,""therefore,""inconclusion,"etc.

5.Listeningandnote-taking-听力和记笔记

-Listeningforspecificinformation:Inlisteningtasks,payattentiontospecificdetailsorfactsthatarebeingmentioned.Forexample,listenfornumbers,names,ordates.

-Note-taking:Takingeffectivenoteswhilelisteningisessentialtorememberandunderstandtheinformation.Useabbreviations,symbols,andheadingstoorganizeyournotesandmakethemeasiertoreviewlater.

6.Examinationskills-考试技巧

-Skimmingandscanning:Skimminginvolvesquicklylookingoveratexttogetageneralsenseofthecontent.Scanninginvolvessearchingforspecificinformationorkeywordsinatext.

-Timemanagement:Allocateyourtimewiselyduringexamstoensurethatyouhaveenoughtimetoanswerallthequestions.Takenoteofthenumberofpointsassignedtoeachquestionandplanyourtimeaccordingly.

-Understandinginstructions:Carefullyreadandunderstandtheinstructionsforeachquestiontoensurethatyouareansweringcorrectly.Payattentiontoanyspecificrequirementsorlimitations.

Inconclusion,Unit7focusesonenvironmentalissues,specificallyglobalwarming.Itcoversvocabularyrelatedtoclimatechange,grammarconcepts