2023学年完整公开课版七年级下册Module Man's best friendsUnit Sa

Unit4

复习GettingreadyInthisunit,youwilllearnabouttreesandtheirimportanceinourlives.

Reading

ListeningReadaninterviewabouttrees.Listentoaradioprogrammeaboutpinetrees.GrammarSpeakingWritingLearnhowtousethepresentcontinuoustense.(现在进行时)Learnhowtosaythe/sk/,/sp/,/st/,/sl/,/sm/,/pl/,/kw/and/tw/sounds.Discusstheimportanceoftrees.Describesomepictures.ReadingInthisunit,wearegoingtotalkaboutanotherofman’sbestfriendsonEarth,trees.Whatcanwegetfromtrees?Use:pencil,chopsticks,tables,chairs,paper,etc.Eat:fruit,nuts(坚果)Wear:flower,shoes(rubber)橡胶Drink:tea(leaves),coffee(beans)WarmingupFillinthechart:produceoxygenforustobreathetakeinharmfulgasesfromtheairBrainstormingWhatdotreesdoforus?Treesaremajor

fightersagainstairpollution.Treestakein

harmful

gasesfromtheairandproduce

oxygenforustobreathe.3BeforeyoureadLookatthetitleoftheinterviewonpage45.Thenanswerthequestionbelow.Manyofthethingsinourdailylivescomefromtrees.Forexample,paperpencils,andchairs.4ReadingTreesinourdailylivesRebeccawantstoknowmoreabouttreesandhowtheyhelpus.SheisinterviewingDrJonesabouttrees.Dictationsave pine discussbranch root fight against example 拯救松树讨论树枝根与……作斗争反对例子harmful gas produceoxygenmajor convenient furniture imagine 有害的气体产生；生产氧气主要的方便的家具相像；设想takein comefrom forexample infact lookaround (be)madeof millionsof 吸收来自例如(补充细节)确切地说环顾四周由……制成大量的；数以百万计的根据句意及所给单词的首字母写出所缺单词，注意其形式。1.Youareagreatdoctor.Thankyoufors______mylife.2.Canyoui______aworldwithoutair?3.Don’tgointotheroom.Thereisbadg______init.4.Eatingtoomuchsweetsish______toourteeth.5.Iwilld______theproblemwithyouthisafternoon.6.Ifyoudon’tunderstand,I’llgiveyouanothere______.avingmagineasarmfuliscussxample6ReviewthetextRepeatthetextafterthetape.produce

againstfurnitureconvenientmajorImagineifwedon’tprotectthetrees,

Whatwillhappen?

Ifwedon’tsavethetrees:

Ourenvironmentwillbecomebadsuchasairpollution.Leadtodisastersuchassandstormandtyphoon.Peoplewillgetthedisease.

Inaword,donotsavethetreesispollutingtheearthandourhome.

Ifwelovetrees,protectenvironment.Ourenvironmentwillbecomebetterandbetter.Treesaregoodforourhealth.Plantmoretreesandcutlesstrees.(多植树,少砍树)Topromotetheprotectionoftreesapproach.(向身边的人宣传保护树的方法)Whatshouldwedotosavethetrees?Whenyouwritecanusebothsidesofpaper.(当你写的时候可以用纸的两面)Nottousedisposablewoodenproducts(不用一次性的木制品)Don’tstripthebarkandnotscribblecarvingonthetrees.(不剥树皮,不能在树上乱涂乱刻)Trytofindoutsomecollocationsfromthearticleasmanyasyoucan.1.knowabout2.inmanyways3.takein4.inourdailylives5.comefrom6.forexample7.infact=asthematteroffact8.lookaround9.bemadeof10.cutdown11.millionsof12.stopdoingsth.1.了解2.在很多方面3.吸收4.在我们的日常生活中5.来自6.例如7.事实上8.环顾9.由……制成10.砍伐11.大量的；数以百万计的12.停止做某事短语收藏夹lookaround

环顾四周inone’sdailylifeinmanywayscutdownfightagainst在日常生活中在许多方面砍；砍下与……作斗争；反对Languagepoints:1.Theytakein

harmfulgasesfromtheairandproduceoxygenforustobreathe.

takein意为“吸收”树能够吸收二氧化碳。

Treescantakeincarbondioxide.LanguagePointsTheykeeptheaircoolandclean.它们（树木）保持空气凉爽和清洁。keep是动词，意为“保持；继续”。常用句型有：keepsb/sth+adj.意为“使某人/某物保持某种状态”。如 别伤心了。 Don’tkeepyourselfsad.(2)keepdoing...意为“继续做……”。如： 机器一直运转。

Themachinekeptworking.(3)keepsb/sthdoing...意为“让某人/某物一直/继续做……”。如： 别让火一直烧着。

Don’tkeepthefireburning.根据中文意思完成句子。1.我们应该每天都保持教室清洁。

Weshould____________________everyday.2.他们在雨中继续踢足球。

They__________footballintherain.3.她昨天让我等了她半个小时。

She_______________forherforhalfanhouryesterday.keeptheclassroomcleankeep/keptplayingkeptmewaiting

harmful是个派生词，即词根加后辍（suffix）

e.g.use+ful=usefulbeharmfultosth.对……有害从工厂里排出的废水对我们的健康有害。

Wastewaterfromfactoriesisharmfultoourhealth.tobreathe是个动词不定式，作目的状语。3.They’remajorfighteragainst

airpollution.

fightagainst与……作斗争在我们城市我们必须要与空气污染作斗争。

Wemustfightagainstairpollutioninourcity.

mainadj.主要的

在大城市，空气污染是一个主要问题。Airpollutionisamainprobleminbigcities.4.Treesalsomakeourlivesmoreconvenient.

树也让我们的生活更方便。

makesb.+adj.意思是“使某人感到……”这个好消息使妈妈感到很开心。

Thegoodnewsmademymumhappy.5.Infact,wegetalotmorefromtrees.

infact(补充细节)确切地说

我曾经在你家乡工作过，确切地说，在你爸爸公司附近。

Ionceworkedinyourhometown,infact,nearyourfather’scompany.6.Lookaroundthisroom.Alotofthefurniture

ismadeofwood.

环顾这个房间。很多家具由木头制成。

lookaround意为“环顾”

bemadeof意为“由……制成”

（看得出原材料）

bemadefrom表示“用……制作”

（看不出原材料）Thedeskismade____wood.Paperismade_____wood.offrom3.bemadeof、bemadefrom、bemadeupofbemadein,,bemadeinto区别bemadeof指“看得出原料的”；bemadefrom指“看不出原料的”；bemadeupof由...组成bemadein在...制造bemadeinto被制成...4.她靠不住,比如说,昨天她就来迟了。

Youcan'tdependonher,________,shearrivedlateyesterday.5.这座桥是由石头造成的。Thebridge____________stones.6.纸是用树木制成的。

Paper____________wood.7.我们班是由50名学生组成的。

Ourclass____________50students.forexampleismadeof

ismadefrom

ismadeupofLanguagepoints1.stoptodo与stopdoingsth区别

stoptodo指“停下来去做另一件事”,stopdoing指“停止正在做的事”，2.forexample与suchas的区别forexample“例如”+句子、段落,可位于句首、句中或句末。suchas“例如”+单词、词组或动词ing，插在被列举的事物与前面的名词之间,as后面不可有逗号。选择最佳答案填空。()1.Whenthechildsawhisparents,hestopped____andrantothem. A.cry B.tocry C.crying D.tocrying()2.HewatchedTVforanhour.At9p.m.,hestopped____hishomework. A.do B.doing C.todo D.todoingCC根据中文意思用合适的短语填空1.那两个女孩一见到我就停止了讲话。

Thetwogirls__________whentheysawme.

2.这两个女孩一看到我就停下来和我讲话。

Thetwogirls____________tomewhentheysawme.3.许多国家都讲英语,例如澳大利亚和加拿大。

Englishisspokeninmanycountries,________AustraliaandCanada.

stoppedtalkingstoppedtotalksuchas

选择最佳答案填空。()1.Youareexcellent____manyways. A.on B.at C.in D.for()2.IwaswatchingTVatthattime.Whenmymothercameintotheroom,Istopped____mybook. A.reading B.readC.toreadD.toreading()3.Istoodupto____whenagentlehandtouchedmyshoulder. A.lookup B.lookaround C.lookafter D.lookfor()4.Ifyouwantto____,youhadbettertakeexerciseeveryday. A.keephealth B.keephealthily C.keepinghealth D.keephealthyDCCBButwecutdownmillionsoftreeseveryyear.但是，我们每年都砍掉大量的树木。million意为“百万”，*表示具体的数目时用单数形式（eg.fivemillion）；*表示不具体的数目时用复数形式，且与of连用，构成短语millionsof，意为“大量的；数以百万计的”。如：这栋房子价值两百万元。

Thehousecoststwomillionyuan.每年，数以百万计的游客来游览北京。

Everyyear,millionsoftouristscometovisitBeijing.类似million用法的数词还有：hundred和thousand。选用million或millionsof填空。1.Thereare________booksinthelibrary.2.Thereareoversix________peopleinthiscity.millionmillionsofUsingsuffixestoguessmeaningsLookatthesetwosentences.Doyouknowthemeaningsofusefulandharmful?Treesgiveusalotofusefulthings.(树带给我们许多有用的东西)Treestakeinharmfulgasesfromtheair.(树木吸收空气中的有害气体)Usefulandharmfulbothendin-ful.Itisasuffixmeaning‘fullof’.(有益的和有害的都以ful结束,这是一个后缀的意义“全”)Canyouguessthemeaningsofthefollowingwords?hopefulhelpfulCanyougivesomemoreexamples?Completethesentenceswiththecorrectwords:Therescueteamcamequicklyands_____theoldwoman’slife.You