【教学课件】Unit 2 Section B 参考课件（八上）

Unit2SectionB

Howcanwebecomegoodlearners?Lead-inHowtokeephealthy?

ahealthydiet

exercise

sleepwell...Doyouhaveahealthydiet?Doyouofteneatjunkfood?PresentationHealthyfoodIsthefoodinthefollowingpictureshealthyorunhealthy?JunkfoodPresentationjunkfoodjunkfood“垃圾食品”，指那些仅仅提供热量，别无其他营养素的食物；或指提供超过人体需求，变成多余成分的食品。如：西式快餐中的汉堡、薯条、炸鸡，中式小吃中的油炸饼、方便面、早餐常吃的油条、烧饼等。Whatfoodanddrinkareunhealthy?PresentationWhatdoyoueateveryday?PresentationmilkMostpeopledrinkmilkeveryday.Howoftendopeopleeat/drinkit?Presentationjunk

foodSomepeoplenevereatjunkfood.PresentationvegetablesMostpeopleofteneatvegetables.

PresentationfruitMostpeopleeatfruitsevery

day.PresentationcoffeeSomepeopledrinkcoffeeevery

day.PresentationIsleepeighthourseverynight.Howmanyhoursdoyousleepeverynight?Presentation1.____junkfood3.____fruit5.____sleep2.____milk4.____vegetables6.____coffeeMatchthewordswiththepictures.1aabcdefabecfdPresentationAskandanswerAskandanswerquestions.Usethewordsfrom1a.

A:Howoftendoyoudrinkmilk,LiuFang?

B:Idrinkmilkeveryday.

A:Doyoulikeit?

B:No.Butmymotherwantsmetodrinkit.Shesaysit’sgoodformyhealth.PAIRWORK1b

junkfoodonceamonthA:Howoftendoyoueatjunkfood?B:Onceamonth.A:Doyoulikeit?B:Yes.Butmymomsaysit’snotgoodformyhealth.AskandanswerfruiteverydayA:Howoftendoyoueatfruit?B:Ieatfruiteveryday.A:Doyoulikeit?B:Yes.Ilikeitverymuch.Andit’s

goodformyhealth.AskandanswerListening

DoesTinahavegoodhabits?Yes.No.Idon’tknow.DoesBillhavegoodhabits?Yes.No.Idon’tknow.Listentoaninterviewabouttwopeople’sdailyhabits.Circleyouranswertoeachquestion.1cQuestions：1.Howoftendoyouexercise?2.Howoftendoyoueatfruit?3.Howmanyhoursdoyousleepeverynight?4.Howoftendoyoudrinkmilk?5.Howoftendoyoueatjunkfood?6.Howoftendoyoudrinkcoffee?Listenagain.Fillintheblanksinthesurvey.1dListening

TinaBill____________________________________________________________________________________________________________________________________________________________everydayeverydayhardly

evernineevery

daytwoorthreetimesaweeknevernevernineneverthreeorfourtimesaweekfourtimesadayListening

PairworkHowoftendoyou…?Howoftendoyou…?PairworkDiscussWhatdoyoudoinyourfreetime?Doexercise,useoftheInternetorwatchingTV?Whatactivitiesdoyouthinkishealthyforthemindandthebody?Let’sdoasurvey2aRanktheseactivitiesaccordingtohowoftenyouthinkyourclassmatesdothem(1=mostoften,6=leastoften).

watchTVgotothemoviesplaycomputergamesexerciseorplaysportsusetheInternetgocampinginthecountryDiscussReading3462bReadthearticleandcompletethepiechartsonthenextpage.15204520901085132ReadthearticleandmarkTrue(T)orFalse(F).1.Wefoundthattwentypercentofourstudentsexerciseeveryday.2.NinetypercentofthestudentsusetheInterneteveryday.3.MoststudentsusetheInternetforhomework.4.OnlytwentypercentofthestudentswatchTVtwoorthreetimesaweek.5.Doingexerciseishealthyforthemindandthebody.FTFFTReading2cReadthearticleagainandanswerthequestions.1.Howmanypercentofthestudentsdonotexerciseatall?2.HowmanypercentofthestudentsusetheInterneteveryday?Twentypercentofthestudentsdonotexerciseatall.NinetypercentofthestudentsusetheInterneteveryday.Reading3.HowoftendomoststudentswatchTV?Whatdotheyusuallywatch?4.Whatdoesthewriterthinkisthebestwaytorelax?Why?MoststudentswatchTVeveryday.Theyusuallywatchgameshows.Thewriterthinksexerciseisthebestwaytorelaxbecauseit’shealthyforthemindandthebody,andyoucanspendtimewithyourfriendsandfamilyasyouplaytogether.ReadingLanguagepoints1.not…atall意为“根本不、一点也不”，用于否定句。如：Itwasn’tdifficultatall.这一点也不难。Therewasnothingtoeatatall.根本没什么可吃的。Totryandfailisbetterthannottotryatall.尝试而失败比一点不尝试好。Languagepoints注：在否定句中，atall可位于句末，也可跟在否定词后。如：Heisn’ttiredatall./He’snotatalltired.他一点也不累。Languagepoints另外，在口语中单独说notatall,可用来回

答感谢或道歉。如：A：Thankyouverymuch.多谢你了。B：Notatall.不客气。A：I’msorrytokeepyouwaiting.对不起，让你久等了。B：Oh,notatall.噢，没关系。Languagepoints2.atleast至少例如：Weshouldbrushourteethatleasttwicea

day.我们每天应该至少刷两次牙。Shemustbe

at

least

thirty-fiveyearsold.

她至少有三十五岁了。

反义短语：atmost至多，不超过Itwilltaketwohours

atmost

togetthere.

最多两小时便可到达那里。Languagepoints3.although虽然；尽管例如：Althoughmyuncleisold,helooksverystrongandhealthy.我的叔叔虽然老了，但他看上去还是很健壮。

注意：although引导的从句不能与but,however连用，但可与yet,still连用。Languagepoints4.Itis+adj.todosth.干某事是……Itisinterestingtoplaycomputergames.玩电脑很有趣。Itisveryimportant_____makeaplanbeforeanewterm.Yes.Youmusttrytomakeitcarefully.A.ofB.forC.toCLanguagepoints辨析take,spend,pay例如：

Itusuallytakesmehalfanhourtodomyhomework.

做作业通常花费我半小时的时间。Studentsoftenspendoneandahalfhours(in)doinghomework.

学生们经常花一个半小时的时间做作业。

Ipaid10yuanforthisbook.

我买这本书付了十元钱。Languagepoints5.spendv.

花费；消耗例如：Howdidyouspendyoursummervacation?你是如何度过暑假的？Ispent5yuanonthisbook.这本书花了我五十元。Languagepoints根据以上例句可知：Ittakessb.sometimetodosth.意为“花费某人……时间来做某事”。spend的主语必须是人，而spend…onsth.意为“买某物花了……钱”。spend+时间+(in)doing意为“花费多少时间来做某事”。可以与ittakessb.sometimetodosth.来进行句型转换。

pay

的主语必须是人，而“花钱买某物”为pay…for。Languagepoints

百分数“用基数+percent”表示：

50％fiftypercent百分之五十

3％threepercent百分之三

0.12％zeropointonetwopercent

百分之零点一二

这里的percent前半部per表示“每一”，cent这一后半部分表示“百”，所以百分之几中percent不用复数形式。百分比英语表示法LanguagepointsPracticeDoyouthinkthestudentsatNo.5arehealthy?Whyorwhynot?FREETALK2dAccordingtothearticleandthepiecharts,writesentenceswiththepercentagesusingalways,usuallyorsometimes.1.90%:__________________________________2.85%:__________________________________3.45%:__________________________________4.10%:__________________________________5.13%:__________________________________6.2%:___________________________________NinetypercentofthestudentsalwaysusetheInternet.Eighty-fivepercentofthestudentsalwayswatchTV.Forty-fivepercentofthestudentsusuallyexercise.TenpercentofthestudentsoftenusetheInternet.ThirteenpercentofthestudentsusuallywatchTV.TwopercentofthestudentssometimeswatchTV.PracticeGroupwork2eChooseoneofthesefreetimeactivitiesorthinkofyourown.Thenaskyourclassmateshowoftentheydothisactivityandmakeapiechart.Showthepiecharttoyourclass.playcomputergamesreadbooksgoshoppingdrawpicturesplaysportsHowoftendoyou…?Namesofclassmates1-3timesaweek4-6timesaweekeverydayplaytennisgoshoppingwatchTVusetheInternetexercisedohouseworkgotothemoviesplaythepianoHowoftendoyou…?readGroupworkplaybasketballplayfootballlistentomusicflykitesreadbooksHowoftendoyou…?GroupworkLet’slookatJane’slifestyle.Practice3aLookattheinformationinthechartandcompletethereport.Janeisa16-year-oldhighschoolstudentintheUnitedStates.AmericanTeenagermagazineaskedheraboutherhabits.Janehasalotofgoodhabits.She______exercisesandshereadsbooks_________.Also,she______drinksjuiceandshe_________staysuplate.However,shehassomebadhabits,too.alwayseverydayoftenhardly

everPracticeShe_________watchesTVformorethantwohoursaday,andshe___________eatshamburgers.Herparentsarenotveryhappybecauseshe__________helpswithhouseworkandshe______goestothedentistforteethcleaning.Shesayssheisafraid!usuallyhardly

eversometimesneverPracticeHowoftendoesshereadbooks?Howoftendoesshegotothedentist?Shereadsbookseveryday.Shenevergoestothedentist.Readagainandanswerquestions.PracticeWhyareherparentsnotveryhappy?BecauseJanehardlyeverhelpswithhousework.SheusuallywatchesTVformorethantwohoursaday.HowmanyhoursdoesshewatchTVaday?PracticeHowdoyouthinkofJane’slifestyle?PracticeFreeTalkDoyouthinkyouhaveahealthylifestyle?PracticeMakeasurveyDoyouhavehealthyhabits?sleephoursatnight8-97-8>9or<7do

exerciseeverydayoftensometimeseatfruitandvegetableseverydayoftensometimesHowmanyflowersdoyouget?Themore,thebetter.Practice3bCompletethechartwithyourowninformation.Inthelastcolumn,useex