Unit2SectionB(2a~4c)课件-英语人教版八年级下册

第5课时（2a~4c）Unit2StayHealthySectionBHowshouldwestaysafe?单词：pill、painful、lie、harmful、hit、shock、bleed、check、tight、nervously、allergic短语：liedown、fromnowon、avoiddoing、atonce句型：①Ifyou...,youmight...

②I’mallergicto...

③Itwasadayhewouldneverforget.能够了解英语中的构词法，将单词进行变形。能够根据材料做笔记。LearningGoals12Whatdoeseachsuffixintheboxmean?Completethetablewiththecorrectsuffixes.2a________（without）________（pain）__________（apersonorthingontheirown）colour____care____harm____pain____back____head____stomach____tooth____my____our____your____your____it____them____him____her____-self/-selves-less-achelessache-self/-selveslesslesslesslessacheacheacheacheselfselfselfselfselfselvesselvesselves构词法派生法：所谓派生，即在原词上加前缀或后缀构成另一个与原来词义略有不同或截然相反的词。后缀（1）构成名词的后缀，常用的有-er、-or、-ist、-ness、-ment、

-tion、-ess、-ing、-ache等。illness疾病government政府hostess女主人

headache头疼（2）构成形容词的后缀，常用的有­ful、­less、­able、­ous、­y等。helpful有用的cloudy多云的enjoyable令人愉快的dangerous危险的careless粗心的（3）构成副词的后缀，常用的有­ly。slow—slowly缓慢地easy—easily容易地Completethesentenceswiththecorrectwordsinbrackets.1.Thelittleboyfelloffhischairandcriedoutin______.（pain/ache）2.Ifyoudon’twearamask,youmight______theflu.（have/catch）3.Becarefulwhenyoudosport.Ifyougeta（n）_______,you’llhavetorestforsometime.（injury/pain）4.Tom’sear______,sothedoctorgavehimsomepillsforit.（painful/hurt）5.Don’tliedownfortoolongasitcouldmakeyourbackfeel______.（harmful/sore）2bCompletethepassagewiththecorrectformsofthewordsinthebox.

injurysufferX-rayavoidaidthrowcolour

Kellylookedatherphone.Shewaslate,andherexamwasstartingin10minutes!Suddenly,somethinghitherhardand_______hertotheground.“Areyouallright?”thedrivercriedout.Hisfacewas_______withfear.ButKellydidn’tsayanything.Shewas_______fromshockandherarmwasbleeding.“Don’tworry.Iknowfirst____!I’llcallforhelptoo!”thedriversaid.Atthehospital,thedoctorcheckedKelly’sarmcarefully.An______showedthatherrightarmwasbroken.“You’reluckythatyour_____wasn’tworse,”saidthedoctor.“You’reright,”Kellysaid.“I’ll_____lookingatmyphonewhilecrossingtheroadnexttime.”2cthrewcolourlesssufferingaidX-rayinjuryavoid

OneSaturday,JulieinvitedMarkandLucytoherhouseforlunch.Herparentsweren’thome,sotheyhaditalltothemselves.Theyorderedpizza,salad,andjuice.Butinthemiddleofthemeal,Markstartedtofeelstrange.Hisfacefeltwarm,andhisthroatfelttight.“Werethereanypeanutsinourfood?”heaskednervously.“IthinkItastedpeanutsinthesalad,”saidJulie.“What'sthematter?”Readtheshortstory.Retellwhathappenedtoapartner.3a“Ohno,I’mallergictopeanuts!”Markcried.Hisfriendsjumpedintoactionandtookhimtothehospitalatonce.Atthehospital,Mark’sfriendstoldDrCooperwhathappened,andshegaveMarksomemedicinerightaway.WhenMarkfeltbetter,thedoctoraskedhimsomequestionsandgavehimsomeadvice.“I’lltakebettercareofmyselffromnowon,”Markpromised.Itwasadayhewouldneverforget.Thinkaboutthisquestion:Howtowriteastoryaboutanaccident？

WHENWHEREWHATHOWWHOReadDrCooper’squestionsandadviceforMark.ImaginehowMarkresponded.Makenotes.3bDrCooperMarkWhathappenedjustnow?atesomethingatmyfriend’splace;feltstrangeDoyouknowwhatyouareallergicto?Whendidyoustarttofeelsick?Howmuchsaladdidyoueat?Whathappenedafteryouatethesalad?Youshouldchecktheingredientsof

anythingyoueatordrink.peanutsinthemiddleofthemealasmallbowlofsaladfacefeltwarmandthroatfelttightchecktheingredientsfromnowonUseyournotesin3btowriteaconversationbetweenDrCooperandMark.Mark:Thankyou,DrCooper.Ifeelmuchbetternow.DrCooper:That’sgood.Whathappenedjustnow?Mark:Well,Iatesomethingatmyfriend’splace,andthenIstartedtofeelstrange.DrCooper:Doyouknowwhatyouwereallergicto?Mark:Yes,I...3cImagineyourschoolisholdingahealthawarenessevent.Workinagroupandchooseahealthproblemtofocuson.

foodallergy

toothache

headache

backache

eyestrain

cut

burn_______4aDosomeresearchonthehealthproblemyourgroupchose.Usethequestionstohelpyou.4b•Whatcausesthishealthproblem?•Howmightyoufeelwhenyouhaveit?•Whyisitimportanttodealwithit?•Whatshouldwedototreatitandavoidit?•Whatotherfactsdoyouknowaboutit?Createahealthbrochureasagroup.Thenpresentittotheclass.4cHOWyoumaygetit:•UsingaphoneorcomputerforalongtimeWHATproblemsyoumayhave:•Tiredeyes•Dryeyes•Headache•DoublevisionWHYitisimportanttoactnow:•Eyestraincancauseourvisionto

getworseovertime.WHATyoucando:•Reducescreentime.•Lookawayfromdevicesfrequently.•Visitaneyedoctorifyouoftensuffer

fromeyestrain.1.Canyouidentifydifferenthealthproblems?2.Canyoudescribehowyoufeelwhenyouaresick?3.Whatadvicecanyougiveforthehealthproblemscoveredinthisunit?4.Howdoyouthinkwecanstayhealthyandkeepourselvessafe?Healthisnoteverything,butyouhavenothingwithoutit.1.Don’tliedownfortoolongasitcouldmakeyourbackfeelsore.别躺太久，不然你可能会觉得腰酸背痛。liedown是短语动词，意为“躺下”，此时lie意为“躺；平躺”。lie作动词时，还可意为“撒谎”；作名词，意为“谎言”，短语telllies/tellalie意为“说谎”。Justliedownonthebed.

你就躺在床上吧。LanguagepointsForafew

minuteshejustlaythere.

有几分钟时间他只是躺在那里。Icouldtellfrom

herfacethatshelied.

我能从她脸上看出她说谎了。Helaidhishandonmyshoulder.

他把手放在我的肩上。

hit在本句中意为“碰撞”，用作及物动词，其过去式及过去分词均为hit。hit作动词，还可意为“击；打”，指用手或器具击打。拓展

在英语中，常用“hitsbon/inthe+身体部位”表示“打了某人……部位”。当打到坚硬或突出的身体部位时介词用on，当打到柔软或平坦的部位时用介词in。Theballhithimonthehead.

这个球打中了他的头。2.

Suddenly,somethinghitherhardandthrewhertotheground.突然，有东西猛地撞上她，把她摔倒在地。

shock在本句中意为“震惊”，是不可数名词，意为“令人震惊的事”时，是可数名词。常见搭配：toone’s

shock

令某人震惊的是……

in

shock

处于震惊状态

Igotaterribleshocktheotherday.

前两天，可把我吓坏了。拓展

shock还可作动词，意为“使震惊；使惊愕”。Itshocksyouwhensomethinglikethathappens.发生这样的事情，使人觉得难以置信。3.

Shewassufferingfromshockandherarmwas

bleeding.

她正受到惊吓，胳膊也在流血。avoid为及物动词，意为“避免；回避”，其后可接名词、代词或动词-ing形式作宾语，但不可接动词不定式。Weshouldavoidfightingwithothers.

我们应该避免与他人吵架。拓展

后接动词-ing形式的动词：喜欢（enjoy）按照建议（suggest）一直（keep）练习（practice），直到完成（finish），避免（avoid）错过（miss）任何内容引起老师介意（mind）。4.

I'llavoidlookingatmyphonewhile

crossingtheroadnexttime.下次过马路时，我会注意不看手机。（1）fromnowon意为“从此刻开始，在将来”，强调一个从现在开始并持续到未来的新习惯、新决定、新状态或新规则，在句中作时间状语，通常与一般将来时或一般现在时连用。Ipromisetolistentoyoufromnowon.

我保证今后都听你的话。（2）promise作动词，意为“承诺；答应”。promise（not）todosth意为“保证（不）做某事；答应（不）做某事”。Ipromisenottotellanyone.

我保证不告诉任何人。5.

“I’lltakebettercareofmyselffromnowon,”Mark

promised.“从今往后，我会更好地照顾自己，”马克保证道。一、用所给词的适当形式填空Practice1.Onesunnyafternoon,ayoungdeerandanolddeerwere______（lie）underatreeintheforest.2.Foreignerscanhardlyeveravoid_______（buy）Chineseproducts.3.Youpromised_______（take）ourboytoDisneylandlastyear.Don’tlethimdownagain.4.Jack_______（hit）thebaseballoutofthegardenyesterday.5.It’s_______（harm）toyourearstolisteningtomusicforalongtime.lyingbuyingtotakehitharmful二、书面表达

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