新教材高中英語(yǔ)Unit5AdelicateworldUsinglanguage課件外研選擇性必修第二冊(cè)

Unit5

AdelicateworldUsinglanguage語(yǔ)法精講·深化學(xué)習(xí)it作形式賓語(yǔ)【情境探究】ititit一、動(dòng)詞+it+that從句1.sb.find/believe/think/feel/consider/make+it+n.+todo/that從句,如:*MissGreenthoughtitagreathonortobeinvitedtospeaktoallofus.格林小姐認(rèn)為被邀請(qǐng)為我們所有人演講是一件很光榮的事情。*Theprofessorconsidersitnogoodreadingwithoutunderstanding.這位教授認(rèn)為閱讀而不理解沒(méi)有益處。*Weallthoughtitapitythattheconferenceshouldhavebeencanceled.會(huì)議取消了,我們都感到很遺憾。2.sb.find/think/make+it+adj.+todosth./that從句(賓語(yǔ)從句)*Idon’tfeelitdifficulttounderstandthemathproblem.我覺(jué)得理解這道數(shù)學(xué)題并不難。Hethoughtitabsolutelysenselessattemptingtheimpossible.想做不可能的事情,他認(rèn)為這是完全沒(méi)意義的。*(2018·全國(guó)卷Ⅰ)Inhisintroduction,hemadeitclearthatourcreditswouldbehard-earned.在他的介紹之中,他清楚地表明我們的學(xué)分不會(huì)輕易地獲得?！厩蓪W(xué)助記】6123結(jié)構(gòu)

6指的是句中常用的六個(gè)謂語(yǔ)動(dòng)詞:think/believe/consider/feel/find/make;1指的是形式賓語(yǔ);2指的是賓語(yǔ)補(bǔ)足語(yǔ)的兩種形式:形容詞或名詞;3指的是真正賓語(yǔ)的三種形式:不定式,動(dòng)名詞或that引導(dǎo)的賓語(yǔ)從句。二、動(dòng)詞+prep.+it+that-從句*Towinthetrustoftheemployees,yourfactoryshouldseetoitthataccountsandoperationsareastransparentaspossible.為了贏得員工的信任,你的工廠應(yīng)該確保賬目和操作盡可能透明。*Youmaydependonitthatweshallalwayshelpyou.你盡管放心,我們會(huì)隨時(shí)幫你的?！久麕燑c(diǎn)津】能用于此結(jié)構(gòu)的動(dòng)詞不多,常見(jiàn)的有seeto,lookto,insiston,stickto,dependon,answerfor等。that引導(dǎo)的賓語(yǔ)從句不能直接作介詞的賓語(yǔ)。【名師點(diǎn)津】由及物動(dòng)詞與介詞組成的固定搭配中,賓語(yǔ)從句若作該動(dòng)詞的賓語(yǔ)時(shí),須借用it。常見(jiàn)的有takeitforgranted,bringittosb.’sattention,oweittosb.等。*Weoweittoyouthattherewasn’taseriousaccident.多虧了你,才沒(méi)有發(fā)生嚴(yán)重事故。2.sb.+appreciate/prefer+it+if從句*(2019·全國(guó)卷Ⅰ)Iwouldappreciateitifyoucouldtakemyapplicationintoconsideration.如果你能考慮我的申請(qǐng)我將不勝感激。*I’dpreferitifIdidn’thavetodosomuchwork.要是我不必做那么多工作就太好了。itittomakefortalking【語(yǔ)法主題應(yīng)用】用it作形式賓語(yǔ)的句型簡(jiǎn)要介紹一下你對(duì)環(huán)境保護(hù)的看法。1.我認(rèn)為保護(hù)環(huán)境非常重要。2.以前我們總是理所當(dāng)然地認(rèn)為自然資源取之不盡,這對(duì)大自然造成了巨大的傷害。3.現(xiàn)在,大部分人感到保護(hù)環(huán)境,節(jié)約資源很緊迫。4.我們一定要確保采取有效措施阻止污染。5.我認(rèn)為保護(hù)我們的地球是每一個(gè)人的責(zé)任。Ithinkitimportanttoprotecttheenvironment.Butwetookitforgrantedthattheresourcesareendless,whichcausedgreatharmtothenature.Now,mostofthepeoplefeeliturgenttoprotecttheenvironmentandsaveresources.Therefore,weshouldseetoitthateffectivemeasuresshouldbetakentopreventpollution.Atlast,Ithinkitourdutytoprotecttheearth.

tolearnittomemorisewhentomasterstudyingthatspendingmoreconfident主題活動(dòng)·話題實(shí)踐Ⅰ.話題詞匯1.relyon 依賴,依靠2.preyon 捕食,掠奪3.feedon 以……為食4.primaryconsumers 初級(jí)消費(fèi)者5.breakdown 分解6.takein 吸收7.contributeto 有助于,促成8.dueto 由于9.beresponsiblefor 為……負(fù)責(zé)任10.thefoodchain 食物鏈11.ecologicalbalance 生態(tài)平衡12.release...from 把……從……中釋放出來(lái)Ⅱ.話題情境A:Dad,welearntsomethingabout1._____________(食物鏈),butIcan’tfollowit.

B:OK,boy.I’llexplainittoyou.Forexample,plants2.______(吸收)sunlighttogrow;thegrasshopper(螞蚱)eatstheleavesofaplant;thenafrogeatsthegrasshopper;afisheatsthefrog;atlast,thebeareatsthefish.Justlikethepicturebelow.

sunlight→plant→grasshopper→frog→bearA:Isee.Isee.Whatwillhappeniftherearemorebears?

thefoodchaintakeinB:Youknow,thewholenatureisagreatfoodchain.Ifthenumberofbearsincreases,theywill3._______(捕食)morefish,andthenthenumberoffishwilldecrease,whichwillaffectthenumberoffrogs,andatlast,thewhole4.________________(生態(tài)平衡)willbebroken.

A:Soit’snecessaryforusto5._______________________(保持自然界的平衡),isn’tit?

B:Ithinkso.Protectingthenatureisprotectingourselves.A:I’lltrymybesttoprotectthenatureandI’llcallonmyclassmatestodoso.B:Goodboy.Comeon!

preyonecologicalbalancekeepthebalanceofnatureⅢ.情境句式1.Whatdoyouthink?/Howabout...?/Howareyoufinding...?/What’syouropinion?你覺(jué)得呢?/……怎么樣?/你覺(jué)得……如何?/你的看法是什么?2.Youmustbekidding.你在開玩笑呢。3.I’mserious.我是認(rèn)真的。4.Accordingtothestatistic...根據(jù)統(tǒng)計(jì)數(shù)據(jù)……5.Idon’tbelieveit.我不相信這件事。6.Youcancheckitoutforyourself.你可以自己去看看。7.Iholdtheviewthat/AsfarasI’mconcerned...我認(rèn)為……8.Iagreewithyou/Idon’tagreewithyou.我同意你的觀點(diǎn)/我不同意你的看法。Ⅳ.情境交流學(xué)生們正在就麻雀在自然界中的重要性展開討論……Teacher:Oneoftheoldestspeciesintheecosystem,thesparrowhasbeeninexistenceformillionsofyears.Whatwillhappenifsparrowsdieout?Student1:Ithinkwithoutsparrows,wehumanbeingswoulddieout.Student2:1.__________________.(你一定在開玩笑呢。)

Student1:2.__________(我是認(rèn)真的).Asweallknow,sparrowsfeedonpests,soifthesparrowsdieout,thenumberofpestswillincreasesharply,thenaffectingthecropyield.Wehumanbeingswon’thaveenoughfoodtoeat.Atlast,wewilldieout.

YoumustbekiddingI’mseriousStudent3:But3.____________________________(我依然不相信你所說(shuō)的).Sparrowscan’thavesuchagreatinfluenceonus.

Student1:Ifyoudon’tbelieve,4.____________________________(你可以自己去查查).

Student3:OK.IwillsearchsomeinformationontheInternetandIwillshareitwithyoutomorrow.Student