2019-2020学年高中英语 Unit 2 Healthy eating Section B Learning about Language课件 新人教版必修3

unit2healthyeating sectionblearningaboutlanguage 核心词汇词汇一consult 1 v 咨询 请教 商量 商议 2 vt 查阅 查询 教材原句however asshewassoafraidofbeinglaughedatbyherfriends shedidnotconsultadoctor 然而 因为她是如此害怕受到朋友们的嘲笑 所以她没有去咨询医生 要点必记consultsb aboutsth 就某事向某人咨询consultwithsb 与某人商议consultadictionary查词典consultthetimetable查时间表 学法点拨如果请教 咨询的对象比较权威 一般用consult vt 而如果和地位平等的对象一起商量 则多用consultwith 题组练 领悟方法 归纳拓展 查词典 的表达还有 refertoadictionary lookup inthedictionary单句写作 1 2015 天津卷 ifyouhaveanydoubtsaboutyourhealth you dbetter 咨询你的医生 atonce 2 whynot 与 商议 frankaboutthismatter yousee twoheadsarebetterthanone 单句语法填空 3 词汇复现 youcanconsultthetouristguidethecustomsofthiscountry consultyourdoctor consultwith about 单元语法情态动词 要点一oughtto oughtnotto 1 oughtto意为 应当 应该 跟should用法基本相同 没有人称 数和时态的变化 2 oughtto的否定式是oughtnotto或oughtn tto 疑问式是把ought放在主语前 3 oughttohavedone过去本该做某事 而没有做 oughtnottohavedone过去本不该做某事 却做了 词语辨析oughtto与should 一般说来 两者可换用 只是oughtto的语气略强 oughtto多表示由于法令 行为准则 道德责任等客观情况而 应该 做某事 should含有个人意见 强调主观看法 翻译下列句子并指出oughtto的用法 1 weoughttoprotectanimals 2 tryphoningthatcustomer heoughttobehomebynow 3 yououghttobalancecareerandfamily 单句写作 4 词汇复现 you 不应该捉弄 thedisabled 5 词汇复现 我该动身 tomorrow yes yououghtto 6 词汇复现 themoneytogiveanaward 本该足够了 7 you 本不该告诉 herthenews 1 我们应该保护动物 责任或义务 oughtnottoplaytrickson oughtitosetoff oughttohavebeenenough oughtnottohavetold 2 给那位顾客打个电话试试 他现在应该到家了 推测 3 你应该平衡好事业与家庭之间的关系 建议或劝告 要点二haveto don thaveto mustn t 1 havetohaveto强调客观需要 意为 必须 不得不 它可以用于不同的时态 其疑问句式和否定句式由助动词do does did构成 2 don thaveto和mustn thaveto的否定式don thaveto表示没有义务或没有必要做某事 意为 不必 相当于needn t 可回答以must开头的疑问句 而must的否定式mustn t表示 禁止 不准 选词填空 haveto don thaveto mustn t 1 词汇复现 ifyouearnmorethan 5 000 youwillpaytax 2 dowefinishittoday 3 词汇复现 youconsultthedictionary youcanguessthesewords meanings 4 词汇复现 carsparkinfrontoftheentrance andtheymustbeparkedattheparkinglot 车辆不准停在入口处前面 它们必须停在停车场 5 词汇复现 mustwedressuptogototheparty no you haveto haveto don thaveto mustn t don thaveto 要点三need needn t 1 need意为 需要 有必要 既可作情态动词 也可作实义动词 need作情态动词 1 没有人称和数的变化 2 后接动词原形 3 常用于否定句或疑问句 4 否定式为neednot needn tneed作实义动词 1 有人称和数的变化 2 后接名词 代词 动名词 带to的不定式 3 用于陈述句 否定句或疑问句均可 4 否定式和疑问式要借助助动词do does did 学法点拨need作实义动词时常用于下列句式 sb need s todosth 某人需要做某事 主语与do为主动关系 sth need s doing tobedone某事 某物需要被 主语与do为被动关系 2 needn thavedone表示 本没有必要做某事 却做了 误区警示 1 用作情态动词的need常用于疑问句或否定句 对于以need开头的疑问句的否定回答可用needn t 但是肯定回答不能用need 而用must 2 以must开头的一般疑问句 肯定回答用must 否定回答用needn t或don thaveto 单句写作 1 ilovetheweekend becausei 不必早起 onsaturdaysandsundays 2 词汇复现 我需要召集 thechildrentogetheratonce 3 你需要 anyhelp 4 词汇复现 we 不必打扮 thepartyhasbeencalledoff 单句语法填空 5 词汇复现 thegreenbeansneed harvest needn tgetupearly needigather doyouneed don tneedtodressup harvesting tobeharvested 6 mybikeneeds mend 7 you water theflowers foritisgoingtorain 句型转换 8 needigatherinformationabouttheplan 作出肯定回答 作出否定回答 9 mustiaskforherpermission 作出肯定回答 作出否定回答 mending tobemended needn thavewatered yes youmust no youneedn t yes youmust no youneedn t don thaveto 基础知识自测 用适当的情态动词填空1 2019 天津卷 theprofessorwarnedthestudentsthatonnoaccounttheyusemobilephonesinhisclass 2 ihaveawordwithyou itwon ttakelong 3 althoughyoufindbargainsinlondon it snotgenerallyacheapplacetoshop 4 itwassadtomethatthey sopoorthemselves bringmefood 5 lifeisunpredictable eventhepoorestbecometherichest 6 istillremembermyhappychildhoodwhenmymothertakemetodisneylandatweekends 7 i veorderedsomepizza soweworryaboutcookingwhenwegethometired 综合练 提升能力 should can can should may might would needn t 8 hesleep althoughhetriedto whenhegotonsuchahuntforanideauntilhehadcaughtit 9 wheniwasachild iwatchtvwheneveriwantedto 10 harryisfeelinguncomfortable hehavedrunktoomuchatthepartylastnight 11 thechildrenhavelostinthewoods otherwisetheywouldhavebeenatthelakesidecampasscheduled 12 2019 江苏卷 noonebemoregenerous hehasaheartofgold 13 2014 江苏卷 byknowingpreciselywhatyouarereceivingandwhatyouaremissingouton yououghtbeabletomakebetter informed morereasonabledecisions 14 thedooropen nomatterhowhardshepushed 15 sincenobodygavehimanyhelp hehavedonetheresearchonhisown couldn t could must can could to wouldn t must must 学科素养提升 语篇填空a主题 人与自然 环境保护 体裁 说明文话题 根据膳食调整种植结构 2018 全国 卷 dietshavechangedinchina andsotoohasitstopcrop since2011 thecountry1 grow morecornthanrice cornproductionhasjumpednearly125percentover2past25years whilericehasincreasedonly7percent atasteformeatis3 actual behindthechange animportantpartofitscornisusedtofeedchickens pigs andcattle anotherreasonforcorn srise thegovernmentencouragesfarmerstogrowcorninsteadofrice4 improve waterquality hasgrown the actually toimprove cornuseslesswater5riceandcreateslessfertilizer 化肥 runoff thisswitchhasdecreased6 pollute inthecountry smajorlakesandreservoirsandmadedrinkingwatersaferforpeople accordingtotheworldbank chinaaccountsforabout30percentoftotal7 globe fertilizerconsumption thechineseministryofagriculturefindsthatbetween2005 whenthegovernment8 start asoil testingprogram9givesspecificfertilizerrecommendationstofarmers and2011 fertilizerusedroppedby7 7milliontons thatpreventedtheemission 排放 of51 8milliontonsofcarbondioxide china sapproachtoprotectingitsenvironmentwhile10 feed itscitizens offersusefullessonsforagricultureandfoodpolicymakersworldwide saysthebank sjuergenvoegele than pollution global started that which feeding b主题 人与自我 生活 体裁 说明文话题 健康dietandthewayoflifeareoftenaproblemforteenagers however ifyoueattherightfoodandexercise1 regular youcanfeelbetter lookbetterandhavemoreenergy sohealthyeatingalong2regularexerciseisproperlytheonlywaytobecomefit asateenager itisimportanttogiveyourbodytheenergy3needs forahealthydiet youshouldeatmostlyrice bread vegetablesandfruit youalsoneedtodrinkalotofwater sixtoeightglassesaday 4 drink enoughwaterwillimproveyoursk