七年級(jí)上—上海教育出版社—英語(yǔ)—第三單元

TheEarthUnit3WritingProtecttheEarthTheEarthisabeautifulplace.Thereareforestsandrivers,mountainsandfields.Someplacesareveryhot,andsomeareverycold.Therearemanydifferentplants.Somearelarge.Somearesmall.Allplantsneedlightandwater.TherearedifferentanimalsonEarth

too.Someliveontheland.Someflyinthesky.Someliveunderthewater.TherearealsomanypeoplelikeyouandmeonEarth.TheEarthprovidesuswithair,waterandfood.Itisourhome.Today,thereisalotofpollution.Weburnthingstomakeenergy.Thispollutestheair.Weputourrubbishintotheseaandundertheground.ThispollutestheEarthandkillsanimalsandplants.Wemuststopdoingthesethings.ItisimportantforustoprotecttheEarthforourfuture.

Reading:AposterPicturesLogicalparagraphsClearwordsResourcesPollutionSuggestions

writing:

Areport

Watchavideo,catchsomeusefulwordsaboutpollutionfromit,andwritethemdownonthehandout.Pollution:pollutewaste/rubbishair/water/soilpollutiondirty“Weshouldstopcatchingfish.”P(pán)roblem1Whatdopeopledo?(catchalotoffisheveryday)What'stheresult?(fewerandfewerfishintheseaeachyear)Whatcanwedo?(suggestion)Peoplecatchalotoffisheveryday.Therearefewerandfewerfishintheseaeachyear.“Weshouldstopcatchingtoomanyfish.”Tip1:可使用should/must/can（stopdoing）提建議。Tip2:提出科學(xué)、合理的建議。people/burnthingstomakeenergy/pollutetheairProblem2Whatdopeopledo?Whatistheresult?Whatcanwedo?

Peopleburnthingstomakeenergy.Thispollutestheair.Tip3:使用this指代前文提及過(guò)的事情，能使寫(xiě)作語(yǔ)言更簡(jiǎn)潔，并且增強(qiáng)了兩個(gè)句子之間的連貫性。Weshouldstopburningthingstomakeengergy.reducepeople/throwawayalotofrubbisheveryday/pollutethelandPeoplethrowawayalotofrubbisheveryday.Thispollutestheland.Wemuststopthrowingawayalotofrubbisheveryday.Problem3Wheredotheplasticgotointheend?overfishingairpollutionlandpollution

Whatcanwedotosolve(解決)theseproblems?CanyouthinkofmorewaystohelptheEarth?Lookfortipsfromthefollowingpictures.WecanhelptheEarthintheseways:

Weshouldeatlessseafood.Weshouldnotcatchsmallfish.Somefactoriesmakealotofpollution.Weshouldclosethem.Wemustmakeenergyinagreenway.Weshoulduselessplasticbags.Wecanrecycleasmuchaswecan.WecanhelptheEarthintheseways:

Weshouldeatlessseafood.Weshouldnotcatchsmallfish.Somefactoriesmakealotofpollution.Weshouldclosethem.Wemustmakeenergyinagreenway.Weshouldusefewerplasticbags.Wecanrecycleasmuchaswecan.

PROTECTTHEEARTHWhatproblemsdowehave?Peopleburnthingstomakeenergy.Thispollutestheair.Peoplethrowawayalotofrubbish.Thispollutestheland.People_______________________.This_________________________.People_______________________.This_________________________.WhatcanwedotoprotecttheEarth?Wemuststop___________________.______________________________.people/putwasteintoriversandseas/pollutethewaterpeople/cutdownalotoftrees/destroy(破壞)theforestsfacts

suggestions

titlesubtitlesubtitleLiHua’shandout√√SSthrowing1.Didyouwritecompletesentencesaboutthetopic?2.Didyougivereasonablesuggestions?3.Didyouusethecorrectverbforms?(Thispollutes.../...stopdoing...)SummaryWegettoknowsomewordsandphrasesaboutpollution.Welearntowritecompletesentencesonthetopic.Wecangivereasonablesuggestionswith“Weshould/must/canstopdoing...”or“Weshould/must/cando...”.Welearntouse“this”tomaketwosentencescohesive(連貫的).Self-assessmentHowwelldoyouknowaboutthislesson?Tick

theboxes.Ilearnwordsaboutpollution.

口

口

口Icanwritecompletesentencesaboutpollution.

口

口

口Icanthinkofsomewaystostoppollution. 口

口

口Icanuse“this”tomakesentencescohesive.

口

口

口

Thankyou!七年級(jí)上—上海教育出版社—英語(yǔ)—第三單元

TheEarthunit3Writing（答疑）1.除了課文中提及的幾種環(huán)境問(wèn)題，我們的地球還面臨著其

它什么環(huán)境問(wèn)題呢？

waterpollution水污染animals/plantsextinction動(dòng)物/植物滅絕greenhouseeffect溫室效應(yīng)forestfire森林火災(zāi)2.在寫(xiě)作中，我們?nèi)绾魏侠硎褂谩皃ollute”以及“pollution”？

“Pollute”詞性為動(dòng)詞。它用于主語(yǔ)之后，充當(dāng)謂語(yǔ)。

eg.Smokefromcarspollutestheair.PeoplepollutetheEarthalot.“Pollution”詞性為名詞。它常常被用作主語(yǔ)或賓語(yǔ)。

eg.Weneedlaws(法律)tostoppollution.Pollutioncanharmsealife.3.在以下例子中，我們使用了this實(shí)現(xiàn)了句子間的銜接。

除了“this”外，我們還可以使用其它銜接方式嗎？eg.Wegotoschooltogethereveryday.Thismakesusgoodfriends.Hedoesalotofsports.Thisbringshimgoodhealth.Whataboutjoiningtheactivity“Earthhour”?Thiswillhelppeopleundersandtheimportanceofsavingenergy.ItItIt4.除了“Wemust/should/can...”之外，我們還可以使用

其它什么句型提建議？