Unit4SectionB(2a-2d)课件人教版八年级英语上册

SectionB(2a-2d)NewwordsInthislesson,youwill:Overallgraspthesemanticcharacteristics,part-of-speechattributes,andwordformationrulesofthetargetvocabulary;Beabletousethevocabularylearnedinastandardizedandflexiblemanner;Integratethevocabularylearnedintoreal-lifescenariosandpersonalizedexpressions;VocabularyinUse2a1.habitheightsizeweight2.joyhappinessfunenjoy3.angrydisappointedsmartsad4.appearlookseemwatch5.honeymilkjuicebreadCircletheoddones.Thengiveyourreasons.其他均为液体词性不同，其他均为名词其他均为情绪类形容词其他均为描述物体外在属性的名词其他均为系动词2bAddtheendings-ance,-(t)ion,-ness,and-itytoformnouns.Useyourdictionary.1.act_____________3.kind_____________5.real_____________7.connect_____________9.communicate____________2.good_____________4.appear_____________6.imagine_____________8.popular_____________10.important_____________actiongoodnesskindnessappearancerealityimaginationconnectionpopularitycommunicationimportance2cCompletethesentenceswiththecorrectformsofthewordsinthebox.appeardisappointimaginestoreweigh1.Ifelt____________whenmyfavouriteflowersdied.2.Aftertherain,somemushrooms__________inthegarden.3.Inmyhometown,peopleoftenusebamboobasketsto____________food.4.Whatdidyouputinyourluggage?It__________aton.5.Ican't__________mylifewithoutmypets.Theymeanalottome.disappointedappearedstoreweighsimagine2dCompletethepassagewiththecorrectformsofthewordsinthebox.howeverimportantlandplanetprotectYoumaynotrealizeit,butfrogsplayanimportantroleinour___________ecosystem.Thesmallestfrogsareaboutthesizeofapea,whilelargeronescangrowasbigasahumanhand.Manypeopleknowthatfrogshelpto__________farmsbyeatinginsects.__________,noteveryoneunderstandstheir__________innature.Frogscanliveon__________andinwater.Becauseofthis,theyarepopularsubjectsinstudiesonclimatechangeandtheecosystem.planet’sprotectHoweverimportancelandHundredsofyearsago,nodandelions(蒲公英)grewinNorthAmerica.ThenpeoplecamefromEurope.Theyhaddandelionseedsontheirclothes.Theseedsfellfromtheirclothesontotheground.1____.Mostpeoplebelievethatdandelionsareweeds.Theydonotwantthemintheirgardens.2____.3____.Ifthewinterisnotverycold,theirleavesmaystaygreen.

4____.Eachnighttheirbrightyellowflowerscloseup.Whenthesunshinesthenextday,theyopenupagain.Afterseveraldays,theyellowflowerturnswhiteandsoft.Atinybrownseedformsatthebottomofeachwhitepetal(花瓣).Whenthewindblows,thepetalsfloataway.Eachwhitepetalcarriesaseedaway.Thisletsthedandelionsspreadtheirseedsallover.5____A．Butsomepeoplethinkthatdandelionflowersarepretty.B．Newdandelionsgrowwheretheseedsland.C．Whenthespringarri