人教版八年级英语上册Unit-2-Section-B教材精讲

主讲人：王玲玲（Nancy）2000年开始从事中小学英语同步辅导、少儿英语培训和成人英语口语辅导，一直致力于探索如何提升学员的英语学习兴趣及英语学习成绩，帮助学员塑造自信心、提高英语语音语调和英语口语交流能力。课堂流程：本课程每个单元分两个课时讲解。侧重单词发音及美式发音技巧指导，对重点单词和重点词组进行细致讲解和补充、对文章中的难句进行句型分析并对难点及要点详细讲解、对语法进行解读同时对核心考点进行练习巩固，同时第二课时涉及主题作文写作指导和拓展阅读。SectionB一、名词类单词1.junkfood垃圾食品，不可数名词2.coffee咖啡，不可数名词acupofcoffee3.health健康、人的身体healthy形容词“健康的”unhealthy不健康的keep/stayhealthy=keepingoodhealth保持健康beingood/poorhealth身体好/不好It’simportanttokeephealthy.Myfatherisingoodhealth.4.result结果、后果What’stheresultof…?…的结果5.percent百分之…20%--twentypercentTenpercentofthemilkgoesbad.TenpercentofthestudentslikesingingEnglishsongs.一、名词类单词6.television电视节目、电视机TVsetWhat’syourfavoriteTVprogram?7.mind头脑、心智8.body身体—bodies（复）9.writer作家、作者write+-r---writer10.dentist牙科医生scientist科学家11.magazine杂志、期刊newspapersandmagazines12.point得分、点5.1–fivepointone二、动词类单词1.die消失、死亡、灭亡–dead形容词“死的”，death名词“死亡”Hediedtwoweeksago.Hehasbeendeadfortwoweeks.I’mafraidofhisdeath.三、其它类单词1.online形容词、副词“在线（的）、联网（的）”It’sanonlineshop./IteachEnglishonline.2.although连词“虽然、尽管、即使”，引导让步状语从句。although引导的从句不能与but、however连用,但可与yet、still连用Althoughmanystudentsliketowatchsports,gameshowsarethemostpopular.Hestillcametoworkalthoughhehadahighfever,3.through介词“以、凭借、穿过”Walkthroughthejungle./Swimacrosstheriver/JumpoverthewallHegotthejobthroughhisuncle.（通过手段、媒介）by通过工具/-ing形式It’sgoodtorelaxbyusingtheInternetorwatchinggameshow,butwethinkthebestwaytorelaxisthroughexercise.Hemademooncakesbyhand.Hepassesthetextbyworkinghard.4.such形容词、代词“这样的，那样的、类似的”suchas例如，像…一样sucha/an+形容词+可数名词单数=so+形容词+a/an+可数名词单数Englishissuchaninterestinglanguage.Englishissointerestingalanguage.such+adj.+n.somany/few/much/little+n.Theyaresuchcleverboys.Ihavesomanybooks.so+adj/adv.+that从句/such+n.+that从句结果状语从句It’ssodifficultthatIneedyourhelp.HeissuchaninterestingmanthatIcanneverforgethim.5.together副词“在一起，共同”Wecanworktogether.6.however副词“然而，不过”however可以位于句首、句中和句末；位于句首时,要用逗号与句子其它部分隔开；位于句中时,其前后都要用逗号；位于句末时其前用逗号分开。but所表示的是非常明显的对比,转折的意味较however要强.从语序上看,but总是位于所引出的分句之首Shefeltill.Shewenttowork,however,andtriedtoconcentrate.However,shehassomebadhabits,too.Heistiredandhungrybuthegoesonwithhiswork.7.than介词、连词“比”Hestudiesharderthanmybrother.morethanA.“Morethan＋名词”表示“多于……”、“非但……尤其是”如：Jasonismorethanalecturer;heisawriter,too.B.“Morethan＋数词”含“以上”或“不止”之意，如：IhaveknownDavidformorethan20yearsC.“Morethan＋形容词”等于“很”或“非常”的意思，如：Iammorethangladtohelpyou.8.lessthan后面接形容词、副词时，意为不；很少；不到，具有否定意思Wewerebusyandlessthandelightedtohavecompanythatday。Isleeplessthansixhoursatnight.lessthan意为不像；不是Josephislesshonestthanhisbrother.9.almost副词“几乎、差不多”可用来修饰动词、形容词、副词、名词等：IalmostdroppedtheplateAlmostalltheguestsarehere.Dinnerisalmostready.9.none代词“没有一个、毫无none可指人也可指物，作主语时，和of连用时指不可数名词时，谓语动词要用单数形式；指可数名词时，谓语动词用单、复数均可Noneofthemhas/haveseenmebefore.Noneofthismoneybelongstome.none可用来回答Howmany/much…？的特殊疑问句；而noone/nobody及nothing则分别用来回答Who…？和What…？的特殊疑问句。如：—Howmanybirdsarethereinthetree？None.—Whatisinthebox？—Nothing.—Whoisintheclassroom？—Noone/Nobody.1.wantsbtodosth想要某人做某事wantsbnottodosth想要某人不做某事wanttodosth想做某事Mymotherwantsmetodrinkit.2.begoodfor对…有好处/bebadfor…对…有害begoodatsth/doingsth擅长….begoodwith…与…相处的好begoodto…对…友好Shesaysit’sgoodformyhealth.WatchingtoomuchTVisbadforyoureyes.He’sgoodatplayingchess.Areyougoodwithchildren?Canyoubegoodtotheold?3.freetimeactivities课余活动Lastmonthweaskedourstudentsabouttheirfreetimeactivities.（asksbaboutsth询问某人关于某事）4.fourtosixtimes四到六次threeorfourtimes三四次Forty-fivepercentexercisefourtosixtimesaweek.Theothertenpercentuseitatleastthreeorfourtimesaweek.5.not…atall一点儿也不Twentypercentdonotexerciseatall.Ican’tusetheInternetatall.6.goonline上网Weallknowthatmanystudentsoftengoonline.7.theanswerto……的答案Theanswerstoourquestionaboutwatchingtelevisionwerealsointeresting.thewayto…去..的路，thekeyto……的钥匙8.suchas例如，像…这样Exercisesuchasplayingsportsisfun.9.oldhabitsdiehard旧习难改10.gotothedentist去看牙医11.teethcleaning洗牙Shenevergoestothedentistforteethcleaning.12.fastfood快餐Howoftendoyoueatfastfood?1.Howmanyhoursdoyousleepeverynight?Howmany+可数名词复数…?Howmuch+不可数名词…?Howmuch….?问价格Howmuchmilkdoyouneed?2.Herearetheresults.以下是结果theresult(s)of….here,there位于句首时，主语是名词倒装，主语时代词不倒装Hereitis./Herecomesthebus.3.Wefoundthatonlyfifteenpercentofourstudentsexerciseeveryday.主句Wefound+that宾语从句（主从复合句）find+宾语+宾补（名词/形容词/介词短语/doing）Ifoundagirlcryinginacorner.Ifindthiscityverycleanandbeautiful.Ifoundthatthegirlstolemybag.‘数词+percentof+名词’作主语时，谓语动词的数要与of后面的名词的数保持一致。Thirtypercentofthefoodiswasted.4.WeweresurprisedthatninetypercentofthemusetheInterneteveryday.besurprisedthat…对…感到惊讶I’msurprisedthatheevenliedtome.besurprisedatsth对某事感到吃惊besurprisedtodosth做某事感到吃惊Areyousurprisedathisdeath?I’msurprisedtoknowthathediedinacaraccident.surprise名词“惊讶、惊奇”insurprise吃惊地，toone’ssurprise令某人吃惊的是动词“使…感到惊讶”surprised修饰人，surprising修饰物Itsurprisedmethat/Tomysurprise,hewasn’tsurprisedatthesurprisingnewsatall.5.It’sgoodtorelaxbyusingtheInternet.Itis+adj.+(forsb)+todosth.（形容词描述事物的特征、性质）Itis+adj.+(ofsb)+todosth.（形容词描述人的性格、品质）it为形式主语，后面的动词不定式子在句中作真正的主语It’sniceofyoutohelptheoldman.It’sdifficultformetolearnEnglishwell.6.Youcanspendtimewithyourfriendandfamilyasyouplaytoge