SavethetreesUnit4save:(1)v.拯救saveone’slife

savesb/sthfrom...eg.savethetrees/theEarth...

Thefirefightersavedaboyfromthefire.(2)v.節約;積攢savewater/energy/time/money...P43救某人的命將...從...中解救出來5pine:pinetrees松樹P43cn.松樹(1)discuss:eg.Todaywewilldiscusstheimportanceoftrees.discusssthwithsbeg.Youshoulddiscussyourfutureplan__________yourparents.=Youshould__________yourfutureplan_____yourparents.(2)discussion:haveadiscussion(withsbabout/on

sth)Heishavingadiscussion

_____hisclassmates_______airpollution.A.to;about

B.with;aboutC.about;with

D.to;inwithtalkwithabout

BP43=

talk

about...vt.討論和某人討論某事n.“討論”和某人討論某事7cn.“樹枝”cn.“根”fight:

fightwithsb

eg.Tomisfightingwithhisclassmateintheclassroom.

湯姆正在教室里和他的同學打架。fightforeg.You

shouldfightforyourdream.fightagainsteg.ThedoctorisfightingagainstCOVID-19(2)n.戰斗，打架eg.afightbetweentwodogsfighter:firefighter:P44過去式:(1)v.與...作斗爭fought“和某人打架”為...而戰對抗...；為反對...而戰n.戰士;斗士n.消防員against:prep.(1)“靠著”eg.Iagainstthewall.(X)(2)“反對”eg.Iagainstyourplan.(X)am/standam∨∨P44opp.forDr.Zhongisareal_________.Heisfighting________COVID-19______ourhealth.AndI

believewewillwinthis__________soon.fightforagainstfighterfighteragainstforfight提供給某人某物providesbwithsth=providesthforsboffersbsth=offersthtosbP4412behometo...inourdailylivesP44是...家園在我們日常生活中example:anexample/twoexamples

forexample:suchas=like:1.Alotofpeoplehereprefercoffeetotea,___________,Mr.Johncan’timagineadaywithoutcoffee.2.Chinahasmanybigcities__________BeijingandShanghai.ABA.forexampleB.suchasP44(1)n.例子一個例子/兩個例子可放舉手句中句尾,用逗號隔開;放句中;舉一例舉多例；后加doing(2)setanexampletosbeg.

Youshouldsetanexampletoyouryoungerbrothers.給某人樹立榜樣inmanywaysinawayonthewayinthewaybythewayalltheway在很多方面在某種程度上在路上擋路順便問一下自始至終,一路上那個箱子礙事，請把它挪走。Theboxis_______________.Pleasemoveitaway.在某種程度上，你是對的。Youareright_____________________.intheway

inaway17P45keep+adj.keepsb/sth+adj/adv

keep(on)doing...keepsb/sthdoing...keepsbfromdoing...keepadiarykeeppetskeepasecretP45保持...使…保持...一直做...讓某人/物一直做...阻止某人做...記日記養寵物保守秘密1Weshouldkeepourclassroom_________.(clean)

Sportskeephim____________.(health)Pleasekeep_________.We’llbeginourclass.(安靜）Shewastired,butshekept__________.(work)Don’tkeepthefire___________.(burn)Thepolicekeptthethief______runningaway.cleanhealthyquietworking

burningfrom

takein

散步拿走照顧小心，當心別緊張；放輕松參加起飛，脫衣服吃藥發生takeawalktakeawaytakecareoftakecaretakeiteasytakepartintakeofftakemedicinetakeplace20P45opp.release=letout吸收=absorb21(1)harmful:beharmfulto...

eg.Smokingisharmful___________ourhealth.=

Smokingisbad__________ourhealth.以-ful為后綴的形容詞cheerfulwonderfulsuccessfulhelpfulcareful...(2)harm:eg.Smokingharms

ourhealth.un.傷害；損害doharmto...

eg.Smokingdoesharm

to

ourhealth.toforP45adj.有害的

harmlessopp.無害的對...有害=bebadfor...vt.傷害對...有害gas:un.天然氣；煤氣eg.It’s

agas

withoutcolor,tasteorsmell.Allplantsandanimalsneeditinordertolive.P45cn.氣體

gasespl.produce:eg.

This

factory

produces

masks.product:eg.diaryproducts/farmproductsproduction:eg.Theweathermayaffecttheproductionofapples.P45v.“生產；制造”=makecn.產品un.產量;生產24produceproductionproduct選詞填空producedproductionproductsoxygen:

carbondioxide:eg.HumanbeingsneedoxygentobreatheonEarth.

25P45n.氧氣二氧化碳major:eg.themajorproblemn.專業eg.MymajorisEnglish.P45adj.“主要的”=bigandimportant

…treesalsomakeourlivesmoreconvenient.makesb+adj.eg:Thegoodnewsmademymumhappy.“使某人感到…convenient:opp.

不方便的eg.

Living

inthecityis_______________thanlivinginthecountryside.Itisconvenient(forsb)todosth（對某人來說）做某事很方便eg.It’sveryconvenientforustopaybywechat.convenience:moreconvenientP45adj.方便的

=easierinconvenientn.方便P45來自=befrom...infact細節）eg.It'srainingsohard.Infact,it'srainingcatsanddogs.30P45確切地說（補充=actually=asamatteroffactlookaroundeg.Don’tlookaroundwhenyouaretakinganexam.31P45環顧四周furniture:apieceoffurniturealotoffurniture()Thereisn’t__________intheroom.manyfurnituresB.manyfurnitureC.muchfurnitures

D.muchfurnitureDP45un.家具一件家具

兩件家具/twopiecesoffurniture很多家具(1)bemadeof+原材料：(2)bemadefrom+原材料：(3)bemadein+地點：

eg.Thepipesshouldbemadeofplastic.這些管子應該是用塑料制作的。Papercanbemadefromgrass.紙可以用草來制造。ThistrainismadeinZhuzhou.這列火車是在株洲生產的。bemadeinto

bemadeby

bemadeupof

P45

“由……制成”（能看出原材料）“由……制成”（看不出原材料）“某物生產于某地”被制成……被某人制造由……組成34P45v.想象

=haveapictureinone’smind想象做某事想象...n.想象力adj.富有想象力的without(doing)sth/sb

eg.Wecan'tlivewithoutwater.35P45“沒有(做)...”cutdowneg.Don’tcutdownthetreethatgivesyoushade.P45砍倒P45num.“百萬”表示不具體的數目時用stopdoingsthstoptodosth

eg.Thestudentsstopped________(talk)whentheteachercamein.Thegirlstopped________(talk)whenshemetheroldfriendintheparktalkingtotalkP45停止做某事（當前這件事）停下來去做另一件事39disease:P48cn.疾病=illness40begoodfor

P52對...有好處=beusefulfor41TreePlantingDay植樹節42dig:dug-dug-digginghole:digahole/holeseg.Heis______holestoplanttrees.My

dog

______

aholeclosetothepinetreeandputaboneinit.diggingdugP53v.挖cn.洞挖洞43carry:carried-carried-carryingeg.Heiscarryingapieceofwood.Theboxistooheavytocarry.container:P53vt.搬；扛；背n.容器livingthingsloseone’shomebecauseof...asaresultthenumberof...eg.Thenumberofkindsofanimals,birds,insectsandtreesintheworldisdecreasing.try/doone’sbesttodosthbeindanger生物失去家園因為...(后加名詞代詞動名詞)結果“...的數量”，做主語謂語動詞用單數盡某人最大努力做某事處在危險中P54Ioftenhelpmymotherdothehousework.

Ioftenhelpmymother______thehousework.Help_____________tosomefood,kids.(you)Alicewantstotellajoke,butshecan’thelp_______.(laugh)_____thehelpoftheguidedog,Johnissafe.

_____theguidedog’shelp,Johnissafe.Isolvedtheproblemwithoutanyhelp.

Isolvedtheproblem_________________.BecauseRebeccawantstoknowmoreabouttreesandhowtheyhelpus.helphelpsb.dosth./helpsb.withsth.幫助某人做某事helponeselftosth.請自便

can’thelpdoing情不自禁withthehelpofsb/withone’shelp在某人的幫助之下withoutanyhelp在沒有任何幫助之下withyourselveslaughingWithWithbymyself/alone451.Harmfulgasesare____people’shealth.a.goodforb.badfor2.Treesproduceoxygen.They___oxygen.a.takeb.make3.Airpollutionisamajorprobleminthecity.Thisproblemis____.a.bigandimportantb.notveryimportantbbaabC2Completetheposterbelowwiththewordsfromthebox.

AllabouttreesDidyouknowtrees(1)____________oxygen?Didyouknowtreeshelpusfight(2)_________pollution?Didyouknowthe(3)__________inourclassroomismadeofwood?produceagainstfurnitureagainst