Unit7SectionA(2a2e)课件-人教版级下册

Unit7ADaytoRememberSectionA(2a~2e)学习目标12能掌握并正确运用本课时词汇：trip,plant,into,remove，piece,waste，machine，germ，step,realize,inside,process，theatre,factory,usedto,goonatrip,...能够准确听辨描述细节的形容词，并在此基础上理解污水处理的流程。3能够运用所学的语言表达，结合实际谈论一次特别的研学经历。WarmupLet’swatchavideo!Didyougoonaschooltrip?Wheredidyougo?sciencemuseumItisinteresting/boring/justso-so(一般)...zoofarmHowwasyourtrip?FreetalkDoyouknowwhatthewastewaterplantis?Lastweek,FuXing’sclasswentonaschooltriptoawastewaterplant...Awastewaterplantislikeabigcleaningfactory(大型清洁工厂)for

dirtywater.新课讲授2aListentotheconversationandfillintheblankswithcorrectadjectives.Helen:Hi,FuXing.Howwasyourschooltriptothewastewaterplant?Wasitboring?FuXing:No,itwasn’tatall.Itwasreallyinteresting!Helen:Wow!Whatdidyousee?FuXing:Wesawtheplantmakedirtywater_______again.Helen:Really?How?FuXing:Well,first,_____waterfromourhomesgoesintotheplant.Then,specialscreensremovelargepiecesofwastefromthewater.Helen:Whathappensnext?FuXing:Well,_____machinesremovegermsandotherthingsfromthewater.Thesethingsareusually

too______tosee.Ittakesafewmorestepsafterthatbeforethewaterbecomescleanagain.Helen:Wow!Iusedtothinkitwas______togetcleanwater.FuXing:Metoo!Ididn’trealizeitwasso______.cleandirtylargesmalleasyhardHelen:

Hi,FuXing.Howwasyourschooltriptothewastewaterplant?

Wasitboring?FuXing:No,itwasn'tatall.Itwasreallyinteresting!Helen:Wow!Whatdidyousee?FuXing:Wesawtheplantmakedirtywatercleanagain.Helen:

Really?How?FuXing:Well,first,dirtywaterfromourhomesgoesintotheplant.

Then,specialscreensremovelargepiecesofwastefromthe

water.Helen:

Whathappensnext?FuXing:

Well,largemachinesremovegermsandotherthingsfromthe

water.Thesethings

areusuallytoosmalltosee.Ittakesafew

morestepsafterthatbeforethewater

becomescleanagain.Helen:

Wow!Iusedtothinkitwaseasytogetcleanwater.FuXing:Metoo!Ididn'trealizeitwassohard.Listenagainandcircletheopposite(相反的)meaningofthewordsinred.boring-interestingdirty-cleanlarge-smalleasy-hardHowwasFuXing’sschooltriptothewastewaterplant?2.Whatdidspecialscreensdotothewater?3.DidFuXingchangehisideaaboutgettingcleanwaterafterthetrip?Itwasreallyinteresting.Theyremovedlargepiecesofwastefromthewater.Yes,hedid.Listenagainandanswerquestions.2bReadtheconversationandmatchthesentenceparts.1.Theplantmakes 2.Dirtywatergoes 3.Machinesinside

theplant 4.Screensinsidetheplant 5.Helenusedtothink removesmallthingsfromthewater.B.itwaseasytogetcleanwater. C.dirtywatercleanagain.D.removelargepiecesofwastefromthewater.

E.intotheplant.2cCompletethesummaryoftheconversationin2a.First,dirtywatergoesfrompeople’s_______totheplant.Thentheplantusesscreenstoremovelargepiecesof_______fromthedirtywater.Next,large________cleanthewater.Theyremove_______andothersmallthings.Ittakesafewmore_______beforethewaterbecomescleanagain.Lastweek,FuXing’sclasswentonaschooltriptoa____________plant.Theplantturneddirtywaterintocleanwater.FuXinglearntaboutthecleaningprocess:wastewaterhomeswastemachinesgermssteps2dListentotheconversationagainandpayattentiontothepronunciationofwas,wasn’t,did,anddidn’t.Helen:Hi,FuXing.Howwas

yourschooltriptothewastewaterplant?Wasitboring?FuXing:

No,itwasn’tatall.Itwasreallyinteresting!Helen:Wow!Whatdid

yousee?FuXing:Wesawtheplantmakedirtywatercleanagain.Helen:

Really?How?FuXing:Well,first,dirtywaterfromourhomesgoesintotheplant.Then,specialscreensremovelargepiecesofwastefromthewater.Helen:Hi,FuXing.Howwas

yourschooltriptothewastewaterplant?Wasitboring?FuXing:

No,itwasn’tatall.Itwasreallyinteresting!Helen:Wow!Whatdid

yousee?FuXing:Wesawtheplantmakedirtywatercleanagain.Helen:

Really?How?FuXing:Well,first,dirtywaterfromourhomesgoesintotheplant.Then,specialscreensremovelargepiecesofwastefromthewater.Nowrole-playtheconversation.2eTalkaboutaschooltripyoutooktoaspecialplace.theatrefactoryzoomuseumfarmforestmarketparkPairworkItwasgreat.Howwasyourschooltrip?Wheredidyougo?Wewenttothetheatretowatchashow.Languagepoints1.Wesawtheplantmakedirtywatercleanagain.

我们看到工厂使得脏水又变干净了。

seesbdosth

看见某人做某事

强调看到了动作的全过程或动作经常发生。

e.g.IoftenseeTomplayfootballinthepark.

我经常看见汤姆在公园里踢足球。

【拓展】seesbdoingsth看见某人正在做某事

e.g.Isawhimplayingbasketballontheplayground.

我看见他正在操场上打篮球。2.Thesethingsareusuallytoosmalltosee.这些东西太小以至于不能看见。

too...to...太……而不能……

该结构表示否定含义。其中too为副词，其后跟形容词或副词原级；to为不定式符号，后接动词原形。e.g.Thissoupistoosaltytoeat.这汤太咸了，不能喝。

【特别提醒】too...to...结构中，当too前有否定词(如never)时，表达肯定意义。e.g.It’snevertoolatetolearn.活到老，学到老。

3.Iusedtothinkitwaseasytogetcleanwater.我过去常常认为得到干净的水很容易。

usedto过去常常(做)

表示过去存在或经常发生，但现在已经不存在的动作或状态，后接动词原形，不与确定的过去时间状语连用。

否定形式是didn’tuseto或usednotto(usedn’tto)。e.g.Weusedtotalkabouteverything.我们曾经无话不谈。e.g.Hedidn’tusetowearglasses.=Heusedn’ttowearglasses.他过去不戴眼镜。

【拓展】beusedtodosth.表示“被用来做某事”,相当于beusedfordoingsth.。be/getusedtodoingsth.表示“习惯于做某事”。e.g.Theknifeisusedtocutfruit.=Theknifeisusedforcuttingfruit.这把刀是用来切水果的。e.g.Peopleshouldgetusedtotravellingbypublictransportation.人们应该习惯于乘坐公共交通工具出行。

Keywordstrip,wastewater,p