EarthandBeyondUnit6GrammarinUse英語仁愛科普版八年級上冊Learningobjectives通過本課時(shí)的學(xué)習(xí)，學(xué)生能夠：1.理解并掌握含有后綴-ness的名詞的形式和意義；2.理解并掌握形容詞比較級和最高級的用法以及核心變化規(guī)則；3.在真實(shí)的語境中準(zhǔn)確應(yīng)用含有后綴-ness的名詞以及形容詞的比較級

和最高級形式；4.激發(fā)對宇宙探索和科學(xué)知識的興趣，感受英語與學(xué)科知識的關(guān)聯(lián)。

重點(diǎn)

重點(diǎn)Lookatthepicturesandanswersomequestions.LookandanswerWhatqualitiesdoyouthinkscientistsshouldhave?Whatconditionsshouldscientistsmeetiftheywanttoliveandworkinspace?Whatadjectiveswouldyouusetodescribethesestars?Theyshouldbecareful

andresponsible.Theyshouldhaveafitbodyandmind.Theyarebrightandbeautiful.Readthesentencesandpayattentiontothewordsinbold.Then,answerthequestion.ReadandanswerCarefulnessandresponsiblityplayanimportantroleinscientificexploration.Fitnessofthebodyandmindisofkeyimportanceforscientiststoloveandworkinspace.Thebrightnessofastarisrelatedtoitssize.Thelarger,thebrighter.Whatdothewordsinboldhaveincommon?Theyallendwiththesuffix-ness.careful+2.____

carefulness1.______fitness3.______brightnesskind4.________happy5.________nessfitbrightkindnessNounAdjectiveness(Suffix)WorkouttherulesReadthewordsandfillinthechart.Thesuffix-nessisaddedtoadjectivestotransformthemintonouns,indicatingqualityorstate.Foradjectivesendingin“aconsonant+y”,wechangeyto___first,thenadd-nesstoformanoun.ihappinessSometimesweneedtochangetheendingoftheadjectivewhenweaddthesuffix.Couldyouthinkofmorenounswith“-ness”?ReadandfillThe_____________(great)oftheuniversemakesusrealizehowsmallourplanetEarthis.The_____________(endless)oftheuniverseraisesmanyquestionsaboutitsoriginandfuture.Scientistsoftentalkaboutthe_____________(calm)oftheuniversebeyondoursolarsystem.The_____________(empty)ofspacebetweengalaxiescanmaketheuniversefeellonely.The_____________(cold)ofspacemakesitdifficultforhumanstosurvivewithoutprotection.Readthesentencesandfillintheblankswiththecorrectformofthegivenwords.greatnessendlessnesscalmnessemptinesscoldness1.Thehighcostisabig__________inspaceexploration.2.Thedevelopmentofthespaceindustrywillbringmore__________andcreatemorejobsindifferentareas.3.Somanystarsshineinthe__________.Whatabeautifulnight!4.Naturecanfillourliveswithrealjoy,peaceand

__________.Readthesentencesandfillintheblankswiththewordsinthebox.businessweaknesshappinessdarknessReadandfillbusinessweaknesshappinessdarknessReadandcompleteReadthetextandcompleteitwiththewordsinthebox.VenusandMercuryaretwooftheclosestplanetstotheSun.Becauseofits____________totheSunandits____________insize,MercuryisdifficultforustoseeonEarth.Venus,ontheotherhand,isknownforits____________andit’sbeautiful.PeoplecanseeitatnightonEarth.VenusisthehottestplanetwhilethesurfacetemperatureonMercurycandropdownto-173℃atnight.Its____________isduetoitsthinair.coldnessclosenessbrightnesssmallnesscoldness

smallnessbrightnessclosenessReadandanswerReadtheconversationandpayattentiontothewordsinbold.Thenanswerthequestion.WhatarethedifferencesbetweenMercuryandEarth?MercuryissmallerthanEarthanditisclosertotheSunthanEarth.Yes,Iknowthat!ItistheclosestplanettotheSun.Yes,soit’salsomuchhotterthanEarth.Howcanwecomparedifferentitems?Usingcomparative(比較級的)andsuperlative(最高級的)adjectives.comparativeadjectivessuperlativeadjectiveReadthesentencesandworkouttherules.Tick(√)theone(s)youagreewithandfillintheblankswiththerightinformation.Read,tickandfill1.MercuryissmallerthanEarthanditisclosertotheSunthanEarth.2.Yes,soit’salsomuchhotterthanEarth.3.Jupiterismoremassivethananyoftheothersevenplanetsbecauseofitshugesize.Whenwecompare

twopeopleorthings

morethantwopeopleorthings,weusecomparativeadjectiveslikesmaller,closer,

and

.Weoftenuse_______aftercomparativeadjectivestointroducetheobjectofcomparison.hottermoremassivethanReadthesentencesandworkouttherules.Fillintheblankswiththerightinformation.Readandfill1.MercuryandVenusaremuchhotterthanEarth,whileJupiter,UranusandNeptunearemuchcolder.2.Thelarger,thebrighter.Whenwewanttoemphasizethedegreeofthecomparison,weoftenusealittle,alotor_______beforethecomparativeadjective.“The+comparative...,___________________”isusedtoshowthatonechangecausesanotherchange.Itoftensuggestsoneincreasecausesanotherincrease,oronedecreasecausesanotherdecrease.muchthe+comparative...Readthesentencesandworkouttherules.Tick(√)theone(s)youagreewithandfillintheblankswiththerightinformation.Read,tickandfill1.ItistheclosestplanettotheSun.2.Saturnisthemostbeautifulplanetinmanypeople’eyes,thankstoitscolorfulrings. 3.Earthisthebestplanetforlifebecauseithaswater,air,andasuitabletemperature.Whenwecompare

twopeopleorthings

morethantwopeopleorthings,weusesuperlativeadjectivesliketheclosest,

and

.Weoftenuse_______beforesuperlatives.themostbeautifulthebesttheReadthesentencesagainandcirclethewordsorphrasesthatcandeterminethesuperlativeadjectives.Readandcircle1.Inthesolarsystem,Jupiteristhelargestplanet,withadiameterofabout140,000kilometers2.AsforEarth,itisthethirdclosest,closerthanMarsbutfartherawaythanVenusandMercury.3.VenusandMercuryaretwooftheclosestplanetstotheSun.in+范圍場所/群體the+序數(shù)詞+形容詞最高級Doyouknowsomeotherexpressionsthatcanhelpdeterminethesuperlativeadjectives?of+同類人/物的復(fù)數(shù)；byfar(……得多；明顯地)...one/two/...of+the+形容詞最高級+復(fù)數(shù)名詞ThinkandwriteThinkandwritedownthebaseformsofthecomparativeandsuperlativeadjectives.BaseformComparativeSuperlative________smartersmartest________nicernicest________prettierprettiest________biggerbiggest________morepleasantmostpleasant________betterbestsmartniceprettybigpleasantgood/wellReadandcompleteWorkouttherulesforformingregularformsofcomparativeandsuperlativeadjectivesandcompletethechart.RulesBaseformsComparativeandsuperlativeformsone-syllablewordsoldwords

endingwithavowel+a

consonantfatwords

endingwithewidewords

endingwithaconsonant

+yhappytwo-syllable

(orlonger)wordsinteresting+er;+estolder;oldestdoubletheconsonant+er;+estfatter;fattest+r;+stwider;widestchangeytoi+er;+esthappier;happiestaddmoreorthemostinfrontofthewordsmoreinteresting;mostinterestingReadandcompleteSomecomparativeandsuperlativeadjectiveshaveirregularforms.Readthefollowingchartandcompleteit.Commonirregularformsofcomparativeandsuperlativeadjectivescomparativeformsuperlativeformsgood/wellbad/illfarlittlemany/muchbetterbestworseworstfarther/furtherfarthest/furthestlessleastmoremostThinkandwriteWritedownthecomparativeandsuperlativeformsofthefollowingadjectives.sad_________________hot_________________late_________________dry_________________far_________________6.easy_________________

7.soft_________________

8.bright_________________9.large_________________10.wonderful

______________

______________sadderhottestmorewonderfullargestlargerbrightestbrightersoftestsoftereasiesteasiermostwonderfullaterdriestdrierfarthest/furthestfarther/furtherlatesthottersaddestReadandfillReadthetextandfillintheblankswiththecorrectformofthegivenwords.TheDeathValleyisknownasthe________(hot)placeontheearthandthe________(dry)placeinNorthAmerica.In1913,the________(high)airtemperatureof134℉(56.7℃)reachedarecordhere.Insummer,theaveragerainfallintheDeathValleyis________(little)than5cm.Butwinterandspringare________(wet)andtheweatherismorecomfortable.Higherplacesare___