2023-2024學(xué)年外研版（2019）必修 第二冊(cè)Unit 6 Earth first Understanding Ideas 作業(yè)

Unit6EarthfirstUnderstandingIdeas—2023-2024學(xué)年高一英語外研版（2019）必修第二冊(cè)課時(shí)分層練【夯實(shí)基礎(chǔ)】知識(shí)點(diǎn)1現(xiàn)在分詞1.Isawhim______(work)inthegardenyesterday.2.Pleasesavewateranddon'tleaveit_____(run)allthetime.知識(shí)點(diǎn)2過去分詞3.Librarieswilloftenholdreadinggroupsessions_____(target)atvariousagegroups.4.Withallthevehicles_____(restrict)tothecity,peoplehadtocallofftheirtravelplans.5.WhenSnowWhitecametoherself,shefoundherself________(surround)bysevendwarfs(小矮人).【提升能力】6.Lookattheexampleonthe_____(幻燈片).7.Humanstakeinoxygenandbreatheout_____(碳)dioxide.8.Doyouknowtherealmeaningofthe_____(溫室)effect?9.It______(使驚恐)methinkingIhavetowalkthroughthewoodsinthedark.10.The_____(演講)willbeofspecialinteresttostudentswhomajorinhistory.【核心素養(yǎng)】ATheworld'sanimalpopulationshavedecreasedbymorethantwo-thirdssince1970,accordingtorecentresearchfromtheWorldWildlifeFund(WWF).TheLondongroupprovidedinformationon32,000wildlifepopulationswhichincludedmorethan5,000species.Theresearchersfoundthatpopulationsizeshadreducedby69percentonaverage.Theysaidthelossofforests,humanexploitation(開發(fā))oftheenvironment,pollution,andclimatechangeweremajorcausesoftheloss.Land-usechangeisstillthebiggestthreattowildlife.However,theresearchersadded,"Ifwecannotlimitwarmingto1.5℃,climatechangeislikelytobecometheprimarycauseofbiodiversity(生物多樣性)lossinthecomingyears."WildlifepopulationsinLatinAmericaandtheCaribbeanSeaareaweregreatlyaffected.Theresearchshoweda94percentdropinthoseareasinover50years.Wildlifepopulationsinriverandlakehabitatsdecreasedthemost.Freshwaterpopulationshavereducedbyanaverageof83percentsince1970.Forexample,thepopulationofpinkriverdolphinsintheAmazonRiverareaofBrazilfellby65percentbetween1994and2016.Thesefindingsarearedflagthatwarnsofalargersystemfailureonthehorizon.Evenonespecies'populationreductioncanaffectotherspecies,eventuallyimpactingtheecosystem'sabilitytofunction.Humansdependonastableclimate,predictableweatherpatterns,andproductivefarmlandandfisheriestodevelop,butthecurrenttrendsaresevereenoughtothreatenmanylife-sustainingsystems.Ourfuturedependsonreversing(扭轉(zhuǎn))thelossofnaturejustasmuchasitdependsonaddressingclimatechange.Andyoucan'tsolveonewithoutsolvingtheother.Everyoneplaysaroleinreversingthesetrends,fromindividualstocompaniestogovernments.Ifnothingchanges,animalpopulationswillundoubtedlycontinuetofall,drivingwildlifetoextinctionandthreateningthewholenessoftheecosystemsonwhichwealldepend.1.Whathasbeenthegreatestthreattowildlifepopulationsrecently?A.Illegalhunting. B.Globalwarming.C.Land-usechange. D.Environmentalpollution.2.HowdoestheauthorexplainthereductionoffreshwaterwildlifeinParagraph3?A.Bylistingfigures. B.Byanalyzingthecauses.C.Bymakingacomparison. D.Byreferringtoaconcept.3.WhatcanwelearnfromParagraph4?A.Climatechangethreatensmanywildanimals.B.Farmlandisthebasisoflife-sustainingsystems.C.Extremeweathereventshavebecomemorefrequent.D.Speciesvarietyisimportanttomaintainastableecosystem.4.Whatisthemainpurposeofthetext?A.Toexplainthedifficultyofrestoringecosystems.B.Tocallonpeopletotakeactiontoprotectnature.C.Topresenttheincreasingtrendofclimatechange.D.Toshowpeople'seffortsinmakingupforthelossofnature.BWhenIwaseightyearsold,IenteredanartcontesthostedbytheInternationalFundforAnimalWelfare(IFAW)andIwon.Iwassoexcited,butIdidn'tevenknowwhat"endangered"meantatthattime.Thatnight,Iaskedmymomandwefoundouttherewereover6,000endangeredspecies!Ifeltsadandangry.ItoldmymomIwouldliketohelpsavethemfromextinction.Sheaskedme,"How?"AndItoldhermyplan.ShesaidonceIpaintedten,she'dcreateaFacebookpageforme.Tomymom'ssurprise,Ihad10paintingsdonein5days.MyFacebookpagebecomesaplatformwhereIpublishnewworks,sharemyopinionsandraisepeople'senvironmentalawareness.Facebookreporterscametointerviewmeandwrotemystoryandthenmanyotherwebsitessharedit,makingmeshoottofameovernight.MyFacebookfollowersincreasedrapidlyandsomeofferedmemoneytoholdanartexhibition.OneofmypaintingswassoldattheWolfConservationCenteratauction(拍賣)for$25,000thissummer.Bytheageof13,Ihavecreatedmorethanthreehundredpaintingsofendangeredspecies.Iusemywebsitetosellthem,andIalsodonate(捐贈(zèng))themandauctionthemtoraisemoneytosupporttheorganizationsIworkwithlikeIFAW,theWolfConservationCenterinNewYorkandJaneGoodall'sRoots&Shoots.IdidalotofresearchbeforechoosingthoseorganizationsbecauseIwantedtomakesurethemoneyIdonatedwouldbeusedforprotectingwildlifeandtheirnaturalhomes.Thoseorganizationshavehelpedmydreamscometrue.UptonowIhavedonated$69,000,andmygoalis$100,000.Weallhaveanimportantroletoplayandifweworktogether,wewillchangetheworld.Weneedtobebraveandoriginal;weshouldstandoutandspeakup.Itisn'talwayseasyorpopularbutbeingtruetoourselvesisthebravestthingwecando.1.Whatplandidtheauthormostprobablytellhermother?A.Tofindoutthenumberofendangeredspecies.B.Toraisepeople'sawarenessofanimalprotection.C.ToestablishaFacebookpageforendangeredspecies.D.Tosellherpaintingstohelpsaveendangeredspecies.2.Whichofthefollowinghastheclosestmeaningtotheunderlinedpart"shoottofame"inParagraph3?A.Highlystressed. B.Makeafortune.C.Widelyknown. D.Gowildwithdelight.3.Whichofthefollowingbestdescribestheauthor?A.Talentedandcaring. B.Patientandbrave.C.Independentandcreative. D.Friendlyandconcerned.4.Whatcanwelearnfromtheauthor'sexperience?A.Weshouldlearntobemorecreative.B.Weshouldexpressouropinionsbravely.C.Weshouldraisemoneytosupportorganizations.D.Weshouldtryourbesttomaketheworldabetterplace.答案以及解析【夯實(shí)基礎(chǔ)】答案以及解析1.答案：working解析：句意:我昨天看到他在花園里工作。work與其邏輯主語him是主動(dòng)關(guān)系，表示動(dòng)作正在進(jìn)行，需用現(xiàn)在分詞作賓語補(bǔ)足語，故填working。2.答案：running解析：句意:請(qǐng)節(jié)約用水，不要讓水一直流。run與其邏輯主語water間是主動(dòng)關(guān)系，表示動(dòng)作正在進(jìn)行，需用現(xiàn)在分詞作賓語補(bǔ)足語，故填running。3.答案：targeted解析：考查過去分詞。句意:圖書館將經(jīng)常舉辦針對(duì)不同年齡群體的讀書會(huì)。分析句子結(jié)構(gòu)可知，句中已有謂語willhold，設(shè)空處應(yīng)用非謂語動(dòng)詞。由句意可知，設(shè)空處為非謂語動(dòng)詞作后置定語。betargetedat為固定搭配，意為“以……為目標(biāo)，針對(duì)……”，設(shè)空處作定語，因此要用過去分詞形式targeted。4.答案：restricted解析：句意:所有車輛被限制在市內(nèi)通行，人們不得不取消出行計(jì)劃。restrict與其邏輯主語vehicles間是被動(dòng)關(guān)系，故填restricted。5.答案：surrounded解析：考查過去分詞。句意：當(dāng)白雪公主醒過來的時(shí)候，她發(fā)現(xiàn)自己被七個(gè)小矮人圍著。本空在句中作賓語補(bǔ)足語，且賓語herself與動(dòng)詞surround之間為被動(dòng)關(guān)系，故本空應(yīng)用過去分詞作賓語補(bǔ)足語?！咎嵘芰Α?.答案：slide解析：句意:看看幻燈片上的例子。7.答案：carbon解析：句意:人類吸入氧氣，呼出二氧化碳。8.答案：greenhouse解析：句意:你知道溫室效應(yīng)的真正含義嗎?9.答案：scares解析：句意:一想起我不得不在黑暗中走過那片樹林，我就感到害怕。10.答案：lecture解析：句意:歷史專業(yè)的學(xué)生會(huì)對(duì)這個(gè)演講特別有興趣?！竞诵乃仞B(yǎng)】A答案：1-4CADB1.答案：C解析：細(xì)節(jié)理解題。根據(jù)第二段中的"Land-usechangeisstillthebiggestthreattowildlife.(土地利用變化仍然是野生動(dòng)物面臨的最大威脅。)"可知，最近野生動(dòng)物種群面臨的最大威脅是土地利用變化。故選C。2.答案：A解析：推理判斷題。根據(jù)第三段中的"Freshwaterpopulationshavereducedbyanaverageof83percentsince1970.Forexample...fellby65percentbetween1994and2016.(自1970年以來，淡水種群平均減少了83%。例如，從1994年到2016年，巴西亞馬孫河地區(qū)的粉紅河豚數(shù)量下降了65%。)"可推斷，作者主要通過列舉數(shù)字來解釋淡水野生動(dòng)物的減少。故選A。3.答案：D解析：細(xì)節(jié)理解題。根據(jù)第四段中的"Evenonespecies'populationreductioncanaffectotherspecies,eventuallyimpactingtheecosystem'sabilitytofunction.(甚至一個(gè)物種的數(shù)量減少也會(huì)影響到其他物種，最終影響到生態(tài)系統(tǒng)的運(yùn)作能力。)"可知，物種多樣性對(duì)維持穩(wěn)定的生態(tài)系統(tǒng)很重要。故選D。4.答案：B解析：推理判斷題。文章最后一段提到"從個(gè)人到公司再到政府，每個(gè)人在扭轉(zhuǎn)這些趨勢方面都發(fā)揮著作用。如果沒有任何改變，動(dòng)物的數(shù)量無疑將繼續(xù)下降，導(dǎo)致野生動(dòng)物滅絕，并威脅到我們所有人賴以生存的生態(tài)系統(tǒng)的整體性"，結(jié)合全文對(duì)野生動(dòng)物數(shù)量減少的介紹可推斷，本文的主要目的是呼吁人們采取行動(dòng)保護(hù)自然。故選B。B答案：1-4DCAD1.答案：D解析：推理判斷題。根據(jù)第一段中的"ItoldmymomIwouldliketohelpsavethemfromextinction.Sheaskedme，'How?'AndItoldhermyplan."可知"我"告訴了母親"我"的幫助拯救瀕危物種的計(jì)劃。根據(jù)第二段內(nèi)容及倒