七年級上—上海教育出版社—英語—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.”Problem1Whatdopeopledo?(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、合理的建議。people/burnthingstomakeenergy/pollutetheairProblem2Whatdopeopledo?Whatistheresult?Whatcanwedo?

Peopleburnthingstomakeenergy.Thispollutestheair.Tip3:使用this指代前文提及過的事情，能使寫作語言更簡潔，并且增強了兩個句子之間的連貫性。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!七年級上—上海教育出版社—英語—第三單元

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

它什么環境問題呢？

waterpollution水污染animals/plantsextinction動物/植物滅絕greenhouseeffect溫室效應forestfire森林火災2.在寫作中，我們如何合理使用“pollute”以及“pollution”？

“Pollute”詞性為動詞。它用于主語之后，充當謂語。

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

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

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？