Unit2Topic2Imustaskhimtogiveupsmoking.SectionA熬夜： 對……不好： 在床上看書對你的眼睛不好。 inbed youreyes.吃太多糖果對你的牙齒不好。 candy___ yourteeth.飯前洗手對咱們的健康有利處。 （） isbadforyourhealth.Youshouldhaveenoughsleep.A.HurryingupB.GrowingupC.StayingupD.Goingtobed健康（名詞）： （形容詞）： Ithinkwalkingaftersupperisgoodforour .Youmustlookafteryourselfandkeep .must"必需”是情態(tài)動詞+動詞原形||否定： "不允許，禁止”孩子們不得在街上踢足球。Children inthestreet.--Isitgoodorbadforourhealth?選擇疑問句，不能用Yes/No回答-It'sgood.--Doyouwantcoffeeortea?-- .A.Yes,coffee.B.No,Idon't. C.Coffee,please.D.Sorry,Iwanttea.沒有水誰也活不了。Nothingcouldlive .他一句話也沒說就出去了。He aword.棕色頭發(fā)的那個女孩是Maria. SectionB在陽光下看書： 引發(fā)癌癥：

由how+形容詞/副詞組成的感嘆句，如： 請求某人做某事： sb. sth.請求某物： sth.giveup+n./v.ing(代詞it,them應(yīng)放在中間)去年他沒有放棄那份工作。He thejoblastyear.亂扔垃圾： 對……來講是必需的： enough+n.名詞：足夠的食物： 足夠的時間： adj.形容詞/adv.副詞+enough:足夠強壯： There | _There | _allthe (1).我有足夠的錢為媽媽買禮物。Thereis_|for|me冋buyagiftfor|mymother.(2).對于所有學(xué)生來講，有足夠的椅子。(3).Tom夠入學(xué)的年齡。TOC\o"1-5"\h\zTomis to .(4).Johnpassedthetestofthehighjump,becausehecouldjump keep+sb./sth.+adj.形容詞使咱們的街道維持干凈。 our .你應(yīng)該使指甲維持干凈。You your .duringtheday=inthedaytime在白天SectionC是may的過去式，比may的可能性小，語氣更委婉、更有禮貌。今天他可能不來了。(語氣不肯定)He come(動詞原形)today.

比較：maynot可能不cannot不可能你或許不對。You beright.你不可能對。You beright. 需要做某事： SectionD1.眾所周知： 眾所周知，抽煙有害健康。 It'sadj.形容詞+（forsb.）+todosth.（對某人來講）做某事 或許有必要買個新的了。Itmaybe anewone.對于咱們來講，學(xué)好英語很重要。It's 對我來講，按時完成這項工作很難。__ forme thework區(qū)別于：It'sadj.形容詞+ofsb.+todosth.某人能做某事真是太你能幫咱們的忙真是太好了。It'Sverynice youtohelpus.更多水果： 更少肉： 小結(jié)情態(tài)動詞：（P121）綜合練習(xí)一：( )1.Youclassroomissodirty.Everyoneshouldkeepit .A.dryB.openC.cleanD.quiet( )2.一Mayweplayfootballinthestreet?---No,you .It'sdangerous.A.canB.mustn'tC.mayD.maynotA.canB.mustn'tC.mayD.maynot()3.Read thesunisn'tgood you.A.under,forB.in,forC.in,toD.under,at( )4.Hisfathergaveupsmokinglastyear..A.stoppedtosmoke B.stoppedsmokingC.begantosmoke D.catchupwithit( )5.Eatingbreakfastcan usactiveinthemorning.A.getB.showC.keepD.let( )6.Don'tworry.We'vegot forallofyou.A.bigenougharoom B.enoughbigaroomC.abigenoughroom D.aroomenoughbig綜合練習(xí)二：( )1.It bemyring.Mineisonmyfinger.Look!A.mustn'tB.maynotC.can'tD.maybe( )2.Asktheoldwoman,she knowsomethingaboutit.A.canB.mayC.maybeD.maybe( )3.Wemustkeepourselves sothatwecanenjoyabetterlife.A.enoughhealthB.healthyenoughC.healthenoughD.enoughhealthy( )4.Washyourfeet yougotobed.A.if B.whenC.before D.after( )5.Youmaygetanillnesswhenyouexercise an stomach.A.in,fullB.on,emptyC.with,emptyD.by,full( )6.一IfeelIhavenoenergytostudy.--You tohavehealthyfoodandhaveenoughsleep.

A.haveB.needC.getD.mustA.haveB.needC.getD.must綜合練習(xí)三：()1.It'sagoodhabit breakfasteveryday.A.hadB.haveC.hasD.tohave()2.Thisbook Tom's,becausehisnameisonit.A.maybeB.mustbeC.canbeD.mustnotbe()3.Youmustnotread thesun..A.underB.inC.at D.on()4.It'sverynice picturesforme.A.ofyoutodrawB.foryoutodrawC.foryoudrawingD.ofyoudrawing()5.Itisimportant us somegoodbooks.A.for,readB.to,toreadC.to,readingD.for,toread()6.Taking exerciseandeating foodcanmakeyoukeepthin.A.more,lessB.more,moreC.less,moreD.less,less()