Unit+2+Topic+2+Section+D 仁爱版八年级英语上册

Unit2KeepingHealthyTopic2SectionD学习导航重点研讨课堂小结当堂检测学习目标新知学习新课导入新知学习重点研讨课堂小结当堂检测学习目标

LanguageGoal能用英语描述健康与不健康的习惯能熟练使用情态动词的肯定或否定形式向别人提出建议或劝诫新知学习重点研讨课堂小结当堂检测学习目标Weshoulddomorningexercises.Weshouldwashourhandsbeforemeals.healthylivinghabits

新知学习重点研讨课堂小结当堂检测学习目标Weshouldn'tspiteverywhere.Wemustn'tthrowlitterabout.badlivinghabits

新知学习重点研讨课堂小结当堂检测学习目标ModalVerbs(Ⅱ):must/mustn’t;may;canYou_________throwlitteraround.Hethinkssmoking______helphimrelax.It_____evencausecancer.I_____askhimtogiveupsmoking._______Iborrowyournewspaperandshowittomyfather?canMaymustn’tmustcanGrammar新知学习重点研讨课堂小结当堂检测学习目标_______uplateisbadforyourhealth.Howterrible!It’s______foryourhealth.Don’tread____thesun.Itwillkeepyou______duringtheday.

inStayinggoodFunctionsactive新知学习重点研讨课堂小结当堂检测学习目标1Listenandnumberthefollowingpictures.Thenmakesentenceswiththestructuresinthebox.

should/shouldn’t…Wemust/mustn’t…新知学习重点研讨课堂小结当堂检测学习目标123456新知学习重点研讨课堂小结当堂检测学习目标Weshouldtakeshowersoften.Weshouldwashthehandsbeforemeals.Weshouldoftenopenthewindowtokeeptheairfresh.Wemustn’tdrinksourmilk.新知学习重点研讨课堂小结当堂检测学习目标新知学习重点研讨课堂小结当堂检测学习目标Weshouldtidyourroomsandoftensweepthefloor.Wemustn’tspitinpublic.新知学习重点研讨课堂小结当堂检测学习目标2Completethepassagewiththecorrectwords.

Somepeoplethinkthatsmoking________(must/can)helphimrelax.Infact,smokingisreally__________(healthy/unhealthy).Doyouknowthatthere______(is/are)over4000chemicalsincigarettes?Thesechemicalsare_______(good/bad)forourbodies.They_____(must/can)causecancerandotherdiseases.

canunhealthyarebadcan

Thesmokefromcigarettesharms____________(only/notonly)smokersbutalsootherpeople.It’scalled“second-handsmoke”andit______(can/can’t)bemoredangerousandhashigherrisks.Smokersshouldn’tusesmokingtohelpthemrelax.They______(must/mustn’t)giveupsmokingassoonaspossible.notonlycanmust新知学习重点研讨课堂小结当堂检测学习目标Workingroups,writedownthegoodhabitsandbadhabitsaroundyou.GoodhabitBadhabit

Drinkaglassofmilkeveryday.Spiteverywhere.……GroupWork新知学习重点研讨课堂小结当堂检测学习目标4.Washinghandsbeforemeals.1.Takingawalkaftermeals.2.Goingtobedearlyandgettingupearly.3.Drinkingenoughwatereveryday.新知学习重点研讨课堂小结当堂检测学习目标Goodhabits4.Goingtoschoolwithoutbreakfast.1.Eatingtoomuchmeat.2.Goingtobedlateandgettinguplate.3.Throwinglitteraround.新知学习重点研讨课堂小结当堂检测学习目标BadhabitsCanyougivemoresuggestionsonkeepinghealthy?1.Wemusthaveenoughfoodtokeephealthy.2.Wemusthavetherightkindsoffood.3.Weshouldhavedifferentfood.4.Weshouldn’teattoolittleortoomuch.新知学习重点研讨课堂小结当堂检测学习目标Project1.Choosetheanswertoeachquestionaccordingtoyourlifestyle.()1.Howoftendoyouwalktoschool?A.Never.B.Sometimes.C.Always.()2.Howoftendoyoueatcandy?A.Often.B.Seldom.C.Never.()3.Howlongdoyouusuallysleepatnight?A.Lessthan7hours.B.Morethan10hours.C.7-10hours.TestingHowHealthyYouAre新知学习重点研讨课堂小结当堂检测学习目标()4.Howoftendoyouexercise?A.Lessthanthreetimesaweek.B.Threetosixtimesaweek.C.Everyday.()5.Howoftendoyoueatfruitandvegetables?A.Never.B.Seldom.C.Often.()6.HowlongdoyouwatchTVeveryday?A.Morethan4hours.B.2-4hours.C.Lessthan2hours.新知学习重点研讨课堂小结当堂检测学习目标Scores:A=1pointB=2pointsC=3pointsTotalscore:_________ConclusionWhatyoushoulddotokeephealthy.(6-9)Unhealthy(10-13)Justso-so(14-18)Healthy新知学习重点研讨课堂小结当堂检测学习目标新知学习重点研讨课堂小结当堂检测学习目标2.Writeapassageabouthowtokeephealthy.Youmayusethequestionsaboveasaguide.Languagepoints新知学习重点研讨课堂小结当堂检测学习目标1.Weshouldoftenopenthewindowtokeeptheairfresh.我们应该经常开窗保持空气清新。keep后接形容词。意为“保持（某种状态）”，keep作系动词，也可以用be替换。如：keepquite!=bequite!请保持安静！【扩展】keepsb./sth.+形容词/动名词表示“让某人/某物处于某种状态”。如：Keepthewindowsopen,please.请把窗户打开。Don’tkeephimwaiting.不要让他一直等着。新知学习重点研讨课堂小结当堂检测学习目标2.Smokersshouldn’tusesmokingtohelpthemrelax.吸烟者不应该用吸烟来放松自己。usesthtodosth.意为“用....去做....”如：Weoftenusethedictionarytolookupthenewwords.我们经常使用词典去查阅新单词。新知学习重点研讨课堂小结当堂检测学习目标3.Infact,smokingisreallyunhealthy事实上，抽烟真的是不健康的。Infact

事实上eg.Infact,Ilikeplayingcomputergames.事实上，我喜欢玩电脑游戏。Infact,Iwanttoeatanicecream.事实上，我想吃一个冰激凌。新知学习重点研讨课堂小结当堂检测学习目标4.Theymustgiveupsmokingassoonaspossible.

他们必须尽可能快的戒烟。giveupsth/doingsth

放弃做某事assoonaspossible尽可能快的asmuchaspossible尽可能多的assmallaspossible尽可能小的As+形容词+aspossible可以与as...asonecan互换使用。新知学习重点研讨课堂小结当堂检测学习目标如：Pleasewritedownyouranswerasfastaspossible.=Pleasewritedownyouranswerasfastasyoucan.请尽可能快的写下你的答案。后也可以放中间，但代词只能放中间，如：throwitaround)litter作动词，意思与throwabout相当。eg．Don'tlitterthegroundwithpaper．litter作不可数名词时，指“垃圾，废物”。eg．Youmustn'tthrowaboutlitter．新知学习重点研讨课堂小结当堂检测学习目标5.Thesmokefromcigarettesharmsnotonlysmokersbutalsootherpeople.来自香烟的烟雾不仅伤害吸烟者，而且对其他人也有危害。Notonly…butalso…不仅…而且…用于连接两个并列成分。新知学习重点研讨课堂小结当堂检测学习目标1.can的用法:(1)表示能力时一般译为“能、会”，即有种能力，尤其是生来具备的能力，此时

may和must均不可代替它。

如：Shecanswimfast,butIcan’t.她能游得很快，但我不能。Icanseewithmyeyes.我用眼睛看。(2)

表示许可，常在口语中。如：Youcanusemydictionary.你可以用我的字典。(3)表示推测，意为“可能”，常用于否定句和疑问句中，此时can’t译为“不可能”。

如：Canthenewsbetrue?这个消息会是真的吗？2.could的用法：(1)can的过去式，意为“能、会”，表示过去的能力。

如：Hecouldwritepoemswhenhewas10.

他十岁时就会写诗。(2)could在疑问句中，表示委婉的语气，此时could没有过去式的意思。

如:---CouldIuseyourpen?我能用一下你的钢笔吗?---Yes,youcan.可以。（注意回答）新知学习重点研讨课堂小结当堂检测学习目标3.may的用法：(1)表示请求、许可，比can正式。

如：MayIborrowyourbike?

我可以借你的自行车吗？Youmaygohomenow.

现在你可以回家了。(2)表示推测，谈论可能性，意为“可能，或许”，一般用于肯定句中。如：Itmayraintomorrow.明天可能会下雨。Shemaybeathome.她可能在家呢.新知学习重点研讨课堂小结当堂检测学习目标4.must的用法：(1)must表示主观看法，意为“必须、一定”。

如：YoumuststayhereuntilIcomeback.

在我回来之前你必须待在这儿。MustIhandinmyhomeworkrightnow?

我必须现在交作业吗？(2)其否定形式mustn’t表示“一定不要”“千万别”“禁止，不许”。如：Youmustn’tplaywithfire.

你不许玩火。Youmustn’tbelate.

你一定不要迟到。新知学习重点研讨课堂小结当堂检测学习目标(3)对must引导的疑问句，肯定回答为must，否定回答为needn’t或don’thaveto.

如：---MustIfinishmyhomeworknow?

我现在必须完成作业吗？

---No,youneedn’t.不，你不必。(4)must表示有把握的推测，用于肯定句。

如:Thelightison,sohemustbeathomenow.

灯亮着，他现在肯定在家。新知学习重点研讨课堂小结当堂检测学习目标新知学习重点研讨课堂小结当堂检测学习目标重点单词和短语:shower,fact,unhealthy,chemical,cigarette,body,disease,smoker,harm,second-hand,risk,possible,as...aspossible吸烟的危害：1.Thesechemicalsarebadforourbodies.Theycancause_______andotherdiseases.2.Thesmokefromcigarettesharmsnotonlysmokersbutotherpeople.It’scalled“____________”andcanbemoredangerousandhashigherrisks.1.向别人建议最好做某事：___________+动词原形+...。2.建议别人最好不做某事:______________+动词原形+...You’dbetterYou’dbetternotcancersecond-smokeUnit2Topic2SectionD新知学习重点研讨课堂小结当堂检测学习目标一、

从方框中选词或词组并用其适当的形式填空body,disease,infact,assoonaspossible,risk1.Heis