七年级上 英语 第三单元《The Earth Unit3 Writing》课件

七年级上—上海教育出版社—英语—第三单元

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）提建议。Tip2:提出科学、合理的建议。people/burnthingstomakeenergy/pollutetheairProblem2Whatdopeopledo?Whatistheresult?Whatcanwedo?

Peopleburnthingstomakeenergy.Thispollutestheair.Tip3:使用this指代前文提及过的事情，能使写作语言更简洁，并且增强了两个句子之间的连贯性。Weshouldstopburningthingstomakeengergy.reducepeople/throwawayalotofrubbisheveryday/pollutethelandPeoplethrowawayalotofrubbisheveryday.Thispollutestheland.Wemuststopthrowingawayalotofrubbisheveryday.Problem3Wheredotheplasticgotointheend?overfishingairpollutionlandpollution

Whatcanwedotosolve(解决)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(破坏)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(连贯的).Self-assessmentHowwelldoyouknowaboutthislesson?Tick

theboxes.Ilearnwordsaboutpollution.

口

口

口Icanwritecompletesentencesaboutpollution.

口

口

口Icanthinkofsomewaystostoppollution. 口

口

口Icanuse“this”tomakesentencescohesive.

口

口

口

Thankyou!七年级上—上海教育出版社—英语—第三单元

TheEarthunit3Writing（答疑）1.除了课文中提及的几种环境问题，我们的地球还面临着其

它什么环境问题呢？

waterpollution水污染animals/plantsextinction动物/植物灭绝greenhouseeffect温室效应forestfire森林火灾2.在写作中，我们如何合理使用“pollute”以及“pollution”？

“Pollute”词性为动词。它用于主语之后，充当谓语。

eg.Smokefromcarspollutestheair.PeoplepollutetheEarthalot.“Pollution”词性为名词。它常常被用作主语或宾语。

eg.Weneedlaws(法律)tostoppollution.Pollutioncanharmsealife.3.在以下例子中，我们使用了this实现了句子间的衔接。

除了“this”外，我们还可以使用其它衔接方式吗？eg.Wegotoschooltogethereveryday.Thismakesusgoodfriends.Hedoesalotofsports.Thisbringshimgoodhealth.Whataboutjoiningtheactivity“Earthhour”?Thiswillhelppeopleundersandtheimportanceofsavingenergy.ItItIt4.除了“Wemust/should/can...”之外，我们还可以使用

其它什么句型提建议？