【課件】Unit7+SectionA+2a-2e+課件人教版（2024）英語七年級下冊+

ADaytoRememberSectionA2a-2dUnit7Revisionplaycookvisittalktrymeetdoam/islosegivegotakelearnplayedcookedvisitedtalkedtriedmetdidwaslostgavewenttooklearnt/learnedWritedownthewordsinthepasttense.Didyougoonaschooltrip?Wheredidyougo?sciencemuseumHowwasyourtrip?Itisgreat/boring/justso-so(一般)...amusementparkfarmFreeTalkAwastewaterplantLastweek,FuXing’sclasswentonaschooltrip.Wheredidtheygo?Awastewaterplantislikeabigcleaningfactory(大型清潔工廠)for

dirtywater.Inourdailylives,wemakealotofwastewater.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.Thesethingsareusuallytoo_______tosee.Ittakesafewmorestepsafterthatbeforethewaterbecomescleanagain.Helen:Wow!Iusedtothinkitwas_______togetcleanwater.FuXing:Metoo!Ididn’trealizeitwasso_______.hardcleandirtylargesmalleasyListenandfillintheblankswithadjectives.Adjectives！Howwasherschooltrip?Readandanswerthequestions.Itwas___________________.reallyinteresting2.WhatdidFuXingsee?Shesaw___________________________________.theplantmake

dirtywater

clean

againHowdoestheplantmakedirtywatercleanagain?screen:①隔板；②屏幕remove...from..從..中去除/移開..germ:細菌machine:機器1.TheplantmakesA.removesmallthingsfromthewater.2.DirtywatergoesB.itwaseasytogetcleanwater.3.MachinesinsidetheplantC.dirtywatercleanagain.4.ScreensinsidetheplantD.removelargepiecesofwastefromthewater.5.HelenusedtothinkE.intotheplant.2bReadtheconversationandmatchthesentenceparts.Lastweek,FuXing'sclasswentonaschooltriptoa_________plant.Theplantturneddirtywaterintocleanwater.FuXinglearntabout

thecleaningprocess:First,dirtywatergoesfrompeople's_________totheplant.Thentheplantusesscreenstoremovelargepiecesof_________fromthedirtywater.Next,large_________cleanthewater.Theyremove_________andothersmallthings.Ittakesafewmore_________beforethewaterbecomescleanagain.2cCompletethesummaryoftheconversationin2a.wastewaterhomeswastemachinesgermsstepsturnAintoB把A變成B了解凈化過程變干凈todo表目的from....to...從...到...Helen:

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.2bFindoutthewordsinthepasttenseHelen:

Hi,FuXing.Howwasyourschooltriptothewastewaterplant?

Wasitboring?FuXing:

No,itwasn’tatall.Itwasreallyinteresting!Helen:

Wow!Whatdidyousee?FuXing:

We

sawtheplantmakedirtywatercleanagain.Helen:

Really?How?seesbdosth看見某人做某事（全過程/經(jīng)常）makesb./sth.adj.讓....怎么樣atripto+地點

去哪里的旅行一點也不FuXing:Well,first,dirtywaterfromourhomesgoesintotheplant.Then,specialscreensremove

largepiecesofwaste

fromthewater.Helen:Whathappensnext?FuXing:Well,largemachinesremovegermsandotherthingsfromthewater.Thesethingsareusuallytoosmalltosee.Ittakes

afewmore

stepsafterthatbeforethewaterbecomescleanagain.Helen:Wow!Iusedtothink

itwaseasytogetcleanwater.FuXing:Metoo!Ididn’trealizeitwassohard.大塊廢棄物太小了看不見這需要幾個步驟usedtodo過去常常....之后進入removeAfromB從B處移走Atakestepstodosth采取措施做某事First,wastewatergoesthroughlargescreens.Thescreenstopsbigpiecesofwaste.Thefinescreencatchestinybitsoftrash.Then,thewatergoesintoasedimentationtank.Here,tinysandparticlessettledownandareremoved.Next,thewastewatermovestoanaerobic,anoxic,andaerobictanks.Microorganismsinthesetanksbreakdownimpuritiesinthewater.Finally,thetreatedwatergoestoanultravioletdisinfectiontank.Afterdisinfection,thewaterbecomesmuchcleanerandcanbereused.首先，污水要通過粗格柵和細格柵。粗格柵就像一位“大垃圾捕手”，攔住大塊垃圾；細柵欄像一位明察秋毫的“小衛(wèi)士”，將污水里的細碎雜物精準攔截。接著，污水會進入沉淀池，將細小的沙子沉淀排出。隨后，污水流入?yún)捬醭?、缺氧池和好氧池。它們可是為微生物提供了舒適的“家”,微生物在這樣的環(huán)境里分解污水里的雜質(zhì)。最后，處理后的水會來到紫外線消毒池，經(jīng)過消毒變得更加清澈，最終成為可以再次利用的水。

PostreadingPostreading1.processn.過程learning/cleaningprocess

學(xué)習(xí)/清潔過程theprocessof...的過程e.g.Lehningtalkedabouttheprocessofmakingthesong.萊寧講述了這首歌的制作過程。v.加工e.g.Thefr