Part 5 Unit 8 Green Earth 課件-【中職專(zhuān)用】高一英語(yǔ)精研課堂（高教版2021·基礎(chǔ)模塊2）

Unit8GreenEarthOurearthneedseveryone’sprotection.TheUsageofItProverbswith'it'①I(mǎi)t?is?never?too?old?to?learn.?

活到老,?學(xué)到老。②It?is?easier?to?fall?than?to?rise.?

摔倒容易爬起來(lái)難。③It?is?no?use?crying?over?spilt?milk.?

覆水難收。it用作代詞TheUsageofIt1.上文提到的物：2.上文提到的事：3.性別不明的嬰兒：4.天氣、溫度、時(shí)間、距離、日期等：Ihaveacat.Itiscute.Shefelloveryesterday.Ithurtheralot.Isitaboyoragirl?Whatseasonisit?Itisspring.it用作形式主語(yǔ)it作形式主語(yǔ)真正主語(yǔ)：toprotecttheenvironment

當(dāng)動(dòng)詞不定式、動(dòng)名詞或一個(gè)句子充當(dāng)主語(yǔ)時(shí)，會(huì)使句子失去平衡，顯得“頭重腳輕”，故it放在句首充當(dāng)句子的形式主語(yǔ)，而把動(dòng)詞不定式、動(dòng)名詞或從句放到句末做句子的真正主語(yǔ)，以達(dá)到句子的平衡。E.g:Itisimportantforus

toprotecttheenvironment.

對(duì)我們來(lái)說(shuō)，保護(hù)環(huán)境是重要的。it用作形式賓語(yǔ)句型：動(dòng)詞+賓語(yǔ)+賓語(yǔ)補(bǔ)足語(yǔ)(n./adj.)forsb.+todo/doing/that

Ithinkitimportanttopractisespeakingintime.Ifinditagoodhabitthatwepractisespeakingintime.ShefeltitnouselearningEnglishwithoutspeakingit.it常用在動(dòng)詞find，think，make，feel，believe，consider

等動(dòng)詞后做形式賓語(yǔ)

it強(qiáng)調(diào)句Itisnow

thatIrealizetheimportanceofprotectingtheenvironment.現(xiàn)在我才認(rèn)識(shí)到保護(hù)環(huán)境的重要性。句型：

Itis(was)+被強(qiáng)調(diào)部分+that(who)+其余部分.1.強(qiáng)調(diào)句可強(qiáng)調(diào)____、____、___等。

(不可強(qiáng)調(diào)謂語(yǔ)）2.引導(dǎo)詞____、_________________3.be動(dòng)詞:____、____主語(yǔ)賓語(yǔ)狀語(yǔ)thatwho/whom(強(qiáng)調(diào)人)iswas謂用it強(qiáng)調(diào)句改寫(xiě)句子LucysawJackonthestreetyesterday.主賓地點(diǎn)狀語(yǔ)時(shí)間狀語(yǔ)X強(qiáng)調(diào)主語(yǔ)強(qiáng)調(diào)賓語(yǔ)強(qiáng)調(diào)地點(diǎn)狀語(yǔ)強(qiáng)調(diào)時(shí)間狀語(yǔ)Itwas

yesterdaythat

LucysawJackonthestreet.ItwasLucy

that/whosawJackonthestreetyesterday.Itwas

Jack

that

/who/whom

Lucysawonthestreetyesterday.Itwas

onthestreet

that

LucysawJackyesterday.it強(qiáng)調(diào)句2.Ididn’trealizetheimportanceofprotectingtheenvironmentuntilnow.1.XiaohucriedbecausehewasblamedbyMr.Liinclass.

Itwas______________________________________that

______________.Itwas________________that____________________________________________________________________.我發(fā)現(xiàn)：_________________________________去掉Itis/was...that,句意完整。becausehewasblamedbyXiaohuinclass

Mr.LicriednotuntilnowIrealizedtheimportantofprotectingtheenvironmentit常見(jiàn)的句型1.Itis(hasbeen)+時(shí)間段+since...

2.Itwas(willbe)+時(shí)間段+before...3.Itwas(willbe)+時(shí)間點(diǎn)+when... 4.Itis/was(high)timethat...5.Itisthefirst(second/third)timethat...自從...（多久了）。過(guò)（多久）才...。當(dāng)...時(shí)，是...。該做某事了。某人第幾次做某事。it常見(jiàn)的句型

Itis(high)timethat...

結(jié)構(gòu)中要用虛擬語(yǔ)氣，從句動(dòng)詞用should+動(dòng)詞原形（should不能省略）或動(dòng)詞過(guò)去式。

e.g：Itishightimethatyoushouldmake(made)fulluseofyourtimetogooveryourlessons.Itishightimethatheshouldgo(went)toschool.Grammar強(qiáng)調(diào)句ItwasnotuntilnowthatIrealizedtheimportanceofprotectingtheenvironment.It’stimewetookactionsforournextgenerations!Itwasintheparkthathecalledonpeopletotrygarbagesorting.Itishisfatherwhoweturnedtoforhelplasttime.Task15Readandunderline.閱讀以下短文，標(biāo)出其中的強(qiáng)調(diào)句。Whatdoesitmeantobegreen?“Green”ismorethanjustacolor.Italsomeanstakingspecialstepstoprotecttheenvironment.Itisthewater,thelandandtheairwebreathethatweneedtotakecareof.Itispeople’schoicesthatcausepollutioninourworld.Whatcanwedo?Here’safour-stepguidetobeinggreen.Rememberitisrecyclingthathelpsussavetheresources....Task16Readandcomplete.閱讀并補(bǔ)全以下強(qiáng)調(diào)句。1)

intheArctic

theicecoverismelting.2)

thevolunteer

explainedthewaystostoppollution.3)

inthebighall

theygatheredtolistentothelecture.4)

notuntilthefollowingyear

theyconsideredtheproposal.5)

him

Imetinthemuseumyesterday.ItisthatItiswho/thatItwasthatItwasthatItwasthatTask17Readandrewrite.閱讀短文，根據(jù)劃線部分的提示，將原句改寫(xiě)成強(qiáng)調(diào)句。Ladiesandgentlemen,alectureaboutgarbagesortingorganizedbyourcommunitywillbeheldinourlecturehallat3o’clockonNov.6th.Everyoneiswelcome.Afterthattherewillbeacommunitymarket.Youcanexchangeyourbooks,games,toysandotherthingswithyourneighbors.1) .2) .3) .4) .5) .NoticeTask17Readandrewrite.閱讀短文，根據(jù)劃線部分的提示，將原句改寫(xiě)成強(qiáng)調(diào)句。1）Itisalectureaboutgarbagesortingthatwillbeheldinourlecturehall.2）Itisinourlecturehallthatalectureaboutgarbagesortingwillbeheld.3）Itisat3o’clockthatalectureaboutgarbagesortingwillbeheld.5）Itisbooks,games,toysandotherthingsthatyoucanexchangewithyourneighbors.4）ItisonNov.6ththatalectureaboutgarbagesortingwillbeheld.Task18Chooseandcomplete.選擇合適的短語(yǔ)，用其適當(dāng)形式補(bǔ)全句子。1)Thetotalnumberof

isincreasingrapidlyinthiscity.2)Anewhousehold

regulationistotakeeffectinShanghai.3)Thiscausesundergroundwaterleveltodropandriversto

.4)Wemustpayattentiontotheriseinpollution

.5)Itwas

IvisitedtheplacethatIfounditreallyworthyofthereputation.?dryup?sharedbike?notuntil?garbagesorting?atthesametimesharedbikegarbagesortingdryupatthesametimenotuntilGreenMondayisourprogramtohelpofficesreducepaperwasteand