棗莊三中實驗高中校區高二年級上學期英語學歷案編寫教師：棗莊市實驗高中英語統籌組長周敏使用日期：2023.11選必一Unit5ADelicateWorld（第2課時）Usinglanguage:Itasanemptyobject自主學習【學】【課標要求】1.本單元的主題語境是“人與自然”，涉及的主題語境內容是保護我們脆弱的星球。2.語法部分的主要內容是it做形式賓語的用法，包括一個小語篇和兩幅對比圖片。3.本版塊旨在幫助學生深度聚焦語言的意義和功能，進行真實語境下的思考和交際運用，全方位提升學生的綜合語言運用能力。【學習目標】能夠理解it作形式賓語的用法，并學會在真實語境中進行運用。學習并運用有關食物鏈的表達，了解生態系統中各食物鏈中不同物種之間的關系；了解生態平衡的重要性，鼓勵學生為保護生態系統做貢獻。【自學評價】重點詞組benativeto _____________dueto _____________cuteappearance _____________keep...asapet _____________petsliders _____________bereleasedfrom _____________release...intothewild_____________abigissue _____________athreatto _____________inanenclosedarea _____________ananimalshelter _____________NationalForestPark_____________referto _____________transform...into _____________師生研學【研】【學習過程】Step1DiscoverandsummarizeLookatthesentencesandanswerthequestions.Sentences(a)and(c)arefromthereadingpassage.aNovisitorwouldthinkitsurprisingthattheislandisaUNESCOWorldHeritageSite.bNovisitorwouldthinkthattheislandbeingaUNESCOWorldHeritageSiteissurprising.cExpertsfeltitnecessarytoeupwithaplantoremovealltherabbitsfromtheisland.dExpertsfelttoeupwithaplantoremovealltherabbitsfromtheislandwasnecessary.Whatdoes“it”refertoinsentences(a)and(c)?Whatisthedifferencebetweenthesentencesineachgroup?Step2Summarizetheuseof“it”asanemptyobjectit作形式賓語的常見情況歸納如下：1.it代替不定式短語。常用于：think/find/feel/consider/make/regard...it+adj./n.+todo1)Ifinditpleasanttoworkwithhim.2)Theyfeltitdifficulttofinishtheworkinsuchashorttime.3)Shethinksitherdutytohelphim.4)Allthesenoisesmadeitimpossibleformetogoonwiththework.2.it代替v.ing只限于少數句型。consider/think/find...it+good/use/worthwhile...+doing...1)Theprofessorconsidersitnogoodreadingwithoutunderstanding.2)Doyouconsideritanyusearguingwithhim?3)Idon’tthinkitworthwhilegoingtosuchaplace.3.it代替賓語從句(that有時候可以省略)。think/find/make...it+n./adj.+ObjectClause...1)Weallthoughtitapitythattheconferencewascancelled.2)Theykeptitquietthathewasdead.3)Hehasn’tmakeitclearwhenheisingback.it作形式賓語還有幾種特殊情況，歸納如下：動詞+it+that從句，常見于put,have,take等動詞后。例如：Itakeitthathewillfinishthetaskbyhimself.動詞+it+when/if從句，常見于appreciate,enjoy,like,prefer等動詞之后。例如：Wereallyappreciateitifyoucoulddousafavour.動詞+it+介詞短語+that從句，常見于oweittosb,takeitforgranted等結構中。例如：Weoweittoyouthatwearestillalive.Itookitforgrantedthattheywerenoting.動詞+介詞+it+that從句，常見于lookto,dependon,insiston,stickto,answerfor等結構中。例如：Sheinsistedonitthatshewasinnocent.Youmaydependonitthathewillhelpyou.動詞+it+過去分詞+從句。例如：Hemadeitknowntoeveryonethathewasright.Theyhaven’tmadeitknownwheretheyaretoholdtheconference.訓練提升【練】【當堂檢測】翻譯句子（使用it作形式賓語）。我認為找一份兼職很重要。________________________________________________________________________________新技術使實現經濟發展和生態間的平衡成為可能。________________________________________________________________________________他們感覺在如此短的時間內恢復最初的生態很困難。________________________________________________________________________________你為何不讓人們引起注意：我們的行為可能對大自然產生很大的影響？（makeadifference）________________________________________________________________________________II閱讀理解Inmyeverydaylife,Iamonanongoingjourneytofigureoutdifferentwaystoreducemycarbonfootprintontheplanet.Acarbonfootprintisthemeasureofinfluenceouractivitieshaveontheenvironment,inparticularclimatechange.Itiscalculatedbytheamountofgreenhousegasweproduceinourdailylives.Fortunately,nowadaysitismucheasiertomakeeco-friendlylifestylechoicesthan,let'ssay,20yearsago.Butonequestionhasbeenonmymindalotlately:isitbettertobuyneweco-friendlyproductsorusedtraditionallyproducedgoods?Afterdoingsomeresearch,Ihavedecidedthatsomethingsarebetternewandothersarebetterused.Letmetrytoexplain.Acarbonfootprintismadeupoftwoparts,theprimaryfootprintandthesecondaryfootprint.Theprimaryfootprintisameasureofourdirectemissions(排放)ofcarbondioxide(CO2)fromtheburningoffuels,includinghouseholdenergyconsumptionandtransportation.ThesecondaryfootprintisameasureoftheindirectCO2emissionsfromthewholelifecycleofproductsweuse—thoserelatedtotheirproductionandbreakdown.Basedonthisunderstanding,wehaveagooddealofcontrolandresponsibilityoverourcarbonfootprint.Thingslikedishes,clothesandfurniturefallintothe“secondaryfootprint”group,solessismoreandwecanfocusonfindingusedgoodstoavoidtheaddedproduction.However,forthecarandtheotherappliances(設備)thatweneedwecangowithnew,energy-savingmodels.Iheardsomewherethatelectronicsandappliancesgiveoff90%oftheircarbonfootprintaftertheyleavethefactory.Soitseemsmostreasonabletogofortheenergy-savingmodels.Themainconcernhereistheamountofenergythatgoesintothemakingofnewproductsandwhetherornotthatextracarbonisworththe_footprinttheproductwillmakeonceitgetstoyou.1．Whatisthetextmainlyabout?A．Whatappliancestobuytosaveenergy.B．Whatacarbonfootprintmeansinourlife.C．Howtoidentifydifferentcarbonfootprints.D．Howtomakeeco-friendlylifestylechoices.2．Whatdoweknowaboutthesecondarycarbonfootprint?A．Itisrelatedtoourconsumptionoffuels.B．Itismadewhenwearebuyingtheproducts.C．Itislessharmfulthantheprimarycarbonfootprint.D．Itiscountedasoursthoughnotdirectlymadebyus.3．Whichofthefollowinghelpsreduceourcarbonfootprintaccordingtotheauthor?A．Usingsecond-handtextbooks.B．Usingoldandexpensivecars.C．Buyingnewbutcheapclothes.D．Buyingnewwoodenfurniture.4．“Thefootprint”underlinedinthelastsentencereferstotheCO2producedin________.A．usingtheproductB．recyclingtheproductC．makingtheproductD．transportingtheproductIII.完形填空Afewyearsago,Iwentthroughaperiodofdepression.Itwassoseverethatlifedidn'tseemworth__1__.Itwaslikepermanentwinter,socoldthatthesunwouldnever__2__.ThenIsawsnowdrops(雪花蓮)pushingthroughthefreezing,iron-hard__3__.IlookedatthemeverydayuntilIfeltthatiftheycouldebacktolife,thensocould__4__.Thosegreenshootsgaveme__5__inawaythatnothingelsehad.Asspringcame,Istartedtoputinmoreandmoreplants,untilthegardenwasbrilliantwith__6__.Icouldspendhours__7__ingardening.Lifewasgrowingthroughmyhands:gentle,peaceful,but,aboveall,__8__.IfIgavelove,itwas__9__，ahundredtimes.TheformofdepressiveillnessIhaveisbiological.Ithas__10__generationsofmyfamilyandfollowsnorulesnorreason.Icanbe__11__whenthesunisshiningorwhenIamwithlovingfriends.Ofcourse,freshairandexercisehelpto__12__thedepression,butforme__13__ismorethanthat.It__14__strengthaswellashope.Ioftenstandsinthegardenbeforeatalltree,hugeandstrong.Itlivesthroughfreezingtemperaturesandstrongwinds.It__15__butneverbreaks.AndsoIlearnthatwemay