【课件】Unit7+SectionA+2a-2e课件+人教版（2024）七年级英语下册

ADaytoRememberSectionA2a-2dUnit7Revisionplaycookvisittalktrymeetdoam/islosegivegotakelearnplayedcookedvisitedtalkedtriedmetdidwaslostgavewenttooklearnt/learnedWritedownthewordsinthepasttense.Didyougoonaschooltrip?Wheredidyougo?sciencemuseumHowwasyourtrip?Itwasgreat/boring/justso-so(一般)...amusementpark游乐园farmFreeTalkAwastewaterplant废水处理厂Lastweek,FuXing’sclasswentonaschooltrip.Wheredidtheygo?Awastewaterplantislikeabigcleaningfactory(大型清洁工厂)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！2dHowwasherschooltrip?Readandanswerthequestions.Itwas___________________.reallyinteresting2.WhatdidFuXingsee?Shesaw___________________________________.theplantmake

dirtywater

clean

againscreen:①隔板；②屏幕remove...from...从..中去除/移开..Helen:Hi,FuXing.Howwasyourschooltriptothewastewaterplant?Wasitboring?FuXing:No,itwasn’tatall.Itwasreallyinteresting!Helen:Wow!Whatdidyousee?FuXing:Wesawtheplantmakedirtywaterclean

again.Helen:Really?How?FuXing:Well,first,

dirty

waterfromourhomesgoesintotheplant.Then,specialscreensremove

largepiecesofwaste

fromthewater.Helen:Whathappensnext?课文讲解一点儿也不使...干净再次，又次seesbdosth看见某人做某事大块废弃物课文讲解FuXing:Well,largemachinesremove

germsandotherthingsfromthewater.Thesethingsareusuallytoo

small

tosee.Ittakesafewmorestepsafterthatbeforethewaterbecomescleanagain.Helen:Wow!Iusedtothink

itwaseasy

togetcleanwater.FuXing:Metoo!Ididn’trealizeitwassohard.machine:机器germ:细菌remove...from...从..中去除/移开..太...以至于不能afew+可数alittle+不可数

一些过去常常认为这需要几个步骤1.TheplantmakesA.removesmallthingsfromthewater.2.DirtywatergoesB.itwaseasytogetcleanwater.3.MachinesinsidetheplantC.dirtywatercleanagain.4.ScreensinsidetheplantD.removelargepiecesofwastefromthewater.5.HelenusedtothinkE.intotheplant.Readtheconversationandmatchthesentenceparts.2dLastweek,FuXing'sclasswentonaschooltriptoa_________plant.Theplantturneddirtywaterintocleanwater.FuXinglearntabout

thecleaningprocess:First,dirtywatergoesfrompeople's______totheplant.Thentheplantusesscreenstoremove

largepiecesof______fromthedirtywater.Next,large_________cleanthewater.Theyremove______andothersmallthings.Ittakesafewmore______beforethewaterbecomescleanagain.Completethesummaryoftheconversationin2a.wastewaterhomeswastemachinesgermsstepsturnAintoB把A变成B了解净化过程变干净from....to...从...到...2cHelen:

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.Findoutthewordsinthepasttense2d1.processn.过程learning/cleaningprocess

学习/清洁过程theprocessof...的过程e.g.Lehningtalkedabouttheprocessofmakingthesong.莱宁讲述了这首歌的制作过程。v.加工e.g.Thefruitisprocessedintojuice.水果被加工成果汁。2.learn/knowaboutsth了解learntodosth学习做某事Notes3.seesbdosth看见某人做某事（全过程/经常）seesbdoingsth

看见某人正在...(watch/hear/find)e.g.Ioftenseemybrotherplaybasketballinthepark.我经常看到我的弟弟在公园里打篮球。e.g.Justnow,Isawacatclimbingthetree.刚才，我看到一只猫正在爬树。Notes4.usedtodo过去经常的动作或状态，但现在不是。如：Heusedtosmoke.他过去经常吸烟。（现在不吸了）Sheusedtobesoshyandquiet.她过去害羞、安静。1.否定形式：主语＋didn’t＋useto＋动词原形.Youdidn’tusetolikepopsongs.你过去常常不喜欢流行歌曲。2.一般疑问句形式：Did＋主语＋useto＋动词原形＋其他？Didyoursisterusetobequiet?你的妹妹以前常常是很安静的吗？Notes2e1.

I________(have)anexcitingpartylastweekend.2.Theyall________(go)tothemountainsyesterdaymorning.3.Mymother_________(notdo)houseworkyesterday.4.There_________(be)

atelephonecallforyoujustnow.刚才5.There_________

(