新必修二Unit6EarthfirstPeriod3DevelopingideasandPresentingideas课时作业原题版

Unit6EarthfirstPeriod

3

DevelopingideasandPresentingideas同步达标检测原题版I.单元要点回扣练A.重点短语集锦1.____________恐惧，担心2.____________害怕......

3.____________由于，因为4.____________切断；阻断：隔绝5.____________对......有影响6.____________把......看作......7.____________把......误认为......8.____________分解9.____________关闭10.____________把......考虑进去B.重点短语语境活用重点短语会应用1.People____________beinglaughedatbyothersinpublic.2.Healwaysmakesmistakes____________hiscarelessness.3.____________thelightwhenyouleavetheroom.4.Itwilltakemanyyearsto____________theplastic.5.Whenyoumakeabudget,youshould____________thepayment____________.6.Heresembleshisbrotheralot,soIoften____________him____________hisbrother.C.重点句型荟萃1.形容词（短语）作状语知识点1.【原句】（教材P62)Somepeoplestoppedswimminginthesea,afraidofthehorriblecreaturefromthefílm.有些人因为害怕电影里可怕的生物而不再在海里游泳。【考点归纳】句中“afraidofthehorriblecreaturefromthefilm"是形容词短语作状语，相当于becausesomepeoplewereafraidofthehorriblecreaturefromthefilm.形容词（短语）作状语可以表示方式、原因或伴随状况等。可位于句首、句末或句中，常用逗号与句子其他成分隔开。名师点津：形容词作状语与副词作状语的区别：形容词作状语表示主语的状态；副词在句中作状语通常修饰动词或修饰整个句子。【例句】Coldandhungry,hestoppedworkingandwenthome.因为又冷又饿，他停止工作回家了。【对接高考】·单句语法填空①Iwasbackathomeatalmostmidnight,thirstyand__________（tire).快到半夜时我才回到家，又渴又累。②__________（obvious),agoodhabitcanhelpustospeeduptoreachourdestinations.很显然，好习惯有助于加速实现我们的目标。【巧学活用】－句式升级（普通表达）Shesuddenlyappearedandseemedhappyandsatisfied.（高级表达）__________，shesuddenlyappeared.(形容词短语作状语）2.was/weredoing...when...知识点2.【原句】（教材P63)In1980,Benchleywasdivingwhenhecameacrossanawfulsight.1980年，本奇利正在潜水，就在这时他突然看到一个可怕的景象。【考点归纳】句中的when是并列连词，意为“就在这／那时”，相当于andthen或andatthesametime.when作并列连词时常用于以下句型中：bedoing...when...正在做······这时······beabouttodo...when...=beonthepointofdoing...when...正要做······这时······hadjustdone...when...刚做了······这时······名师点津：when作从属连词可引导时间状语从句，意为“当······的时候”；还可引导让步状语从句，意为“既然；考虑到”。【例句】①IwasthinkingofthiswhenIheardmynamecalled.我正想着这件事，突然听到有人叫我的名字。【对接高考】·单句语法填空①We__________（do)ourhomeworkwhenthelightwentout.我们正在做家庭作业，灯突然熄了。②Wewereabout__________（set)outwhenitbegantorain.＝Wewereonthepointof__________（set)outwhenitbegantorain.我们正要出发，这时天开始下雨。③Ihadjustgonetobedafteraveryhardday__________thephonerang.在劳累了一天之后，我刚上床睡觉，这时响了。3.Ittakestime(forsb./sth.)todosth.知识点3.【原句】（教材P68)Ittakeshundredsofyearsforplastictobreakdown...塑料需要几百年才能分解······【考点归纳】Ittakes(sb.)sometimetodosth.意为“做某事花费（某人）多少时间”，其中It为形式主语，后面的不定式短语todosth.是真正的主语。此外，take还可表示“需要”之意，ittakes/took...todosth.做某事需要······（1)sth.take(sb.)sometime某事花费（某人）多少时间（2)sb.spendsometime/money(in)doing/onsth.某人花费多少时间／金钱做某事（3)sth.cost(sb.)sometime/money某事／物花费（某人）多少时间／金钱（4)sb.paysomemoneyforsth./todosth.某人花费多少金钱为某物／做某事【例句】①Ittookmequitealongtimetounderstandthemeaningofthepainting.我花了相当长的时间才理解那幅画的意义。【对接高考】·单句语法填空Believeitornot,ittakesgreatcourage__________（tell)thetruth.信不信由你，说实话需要勇气。【巧学活用】－完成句子①Thesedays,musicfans____________________recordsthanpeopleusedtodo.（spend)如今，音乐迷在买唱片上花的钱比人们以前花得要少。②A.We'llhavetosaveasmuchaspossibleinorderto____________________.（pay)为了买新房子，我们不得不尽量节俭。B.I________________mybike.(pay)我付给他20美元修自行车。③Thebook________________（cost)这本书花了我8美元。4.倍数句型知识点4.【原句】（教材P68)However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.然而，制作纸袋所消耗的能量是制作塑料袋的四倍，水的消耗量是塑料袋的三倍。句中fourtimesasmuchenergyasmakingaplasticbag是倍数比较的常用形式，其结构为：......倍数＋asmany/much+n.十as......常见的倍数句型：Ais+倍数＋as+adj./adv.的原级＋as+B.Ais十倍数十adj./adv.的比较级十than+B.Ais+倍数＋thesize/length/height/depth/width+of+B.名师点津：times只用于倍数大于或等于三时，两倍用twice或double表示。【例句】①Thisyearourpanyhaspublishedtwiceasmanybooksaswedidlastyear.今年我们公司已经出版的书是去年的两倍。②Thereisfourtimesasmuchwaterinthispotasinthatone.这个壶里的水是那个壶里的四倍。【对接高考】·单句语法填空①Thenewstadiumbuiltforthe2022WinterOlympicswillbethreetimes________bigasthepresentone.为迎接2022年冬季奥运会而修建的体育场将是现在的三倍大。②Thisstreetisfourtimesthe________（long)ofthatone.这条街是那条街的四倍长。【巧学活用】－一句多译我们学校的面积是他们学校面积的三倍大。①Ourschoolisthreetimes__________theirschool.②Ourschoolistwice__________theirschool.③Ourschoolisthreetimes__________oftheirschool.D.重点句型应用1.形容词短语作状语Thosetravelersreturnedtothehotel,____________.那些游客们回到宾馆，又累又困。2.was/weredoing...when...I____________alongthestreet____________Iheardmynamecalled.我正在沿街散步，突然听到有人喊我的名字。3.Ittakessometime(forsb./sth.)todosth.____________thereonfoot.步行到那里去要半个小时。4.倍数句型Wehaveproduced____________wedidlastyear.我们生产的计算机是去年的三倍多。II.阅读理解AAbout97%oftheworld’swaterissaltyandisfoundinouroceansandseas.But，aswecan’tdrinkseawater，howcanitbeimportant?Everypartofourseasandoceanscontainsanamazingnumberofanimalsandfishthatliveatdifferentoceandepths.Mostofthedifferentspeciesofanimalsandfishdependonsimpleplantsfortheirfood.Thesesimpleplantscalledalgae(海藻)driftnearthesurfaceoftheoceanandusesunlighttoturncarbondioxideandwaterintofoodandoxygen.Infact，thealgaeproduceoverhalfoftheoxygenpeoplebreathe.Howimportantseawateris!Eachplantoranimalinourseasandoceansisanimportantlinkinafoodchain.Thealgaeareeateninlargeamountsbymicroscopicanimals，whichareinturnconsumedbylargeranimals.Thesefoodchainsaredelicatelybalanced.Thebadnewsaboutthefoodchainsintheoceansisthattheyareunderthreatbecauseofman.Peopleoncethoughtthattheoceansweresobigthatitdidn’tmatterifwedumpedrubbishintothemorcaughthugequantitiesoffishandwhalesforfood.Butwenowknowthisisnottrueandfishstocksintheoceanshavestartedtodrop.Thankfully，theworldistakingstepstoprotectthefutureofouroceansbyintroducinginternationalagreementstoprotectmarinehabitats.Mostcountrieshaveintroducedfishingrestrictionstoprotectfishstocksintheoceansandnewtechniquesarebeingpioneeredtocopewithpollution.Finally，theimportanceofprotectingoceansisbeingmadeknowntomorepeople.Thisisjustthebeginningofalongprocesstoprotecttheoceansforourfuture.Wedependontheoceansforfishwhichareanimportantpartofthehumandiet.Howimportantseawateris!1．Peopleusedtothinkthattherubbishthrownintothesea.A．wouldn’tharmthefishintheseaB．wouldchangethebalanceofthefoodchainC．wouldbebrokendownintheseaD．wouldn’tdomuchharmtothesea2．Fromthepassage，welearnthat.A．mostfishandseaanimalsliveatthesurfaceoftheseasB．itisverydifficulttobreakthebalanceofafoodchainC．excessivefishinghascausedthedecreaseinfishstocksD．itwon’tbelongbeforetheproblemsconcerningoceanswillbesolved3．WhichofthefollowingisNOTawayusedtoprotectoceans?A．Theuseofinternationalagreements.B．Forbiddingfishingtoprotectfishstocks.C．Theuseofnewtechniques.D．Raisingpeople’sawarenessoftheneedtoprotectoceans.4．Whatwouldbethebesttitleofthepassage?A．TheImportanceofSeawaterB．LifeintheOceansC．HowtoProtectFoodChainsD．HowtoDealwithSeawaterPollutionBAsyouenterPuyduFou(狂人国主题公园)，ahistoricalthemeparkinLesEpesses，France，youmighteacrossacuriousnewattraction：crowscollectingtrashinexchangefortreats.No，thebirdsaren’tthepark’snewestclean­upcrew.Infact，theperformanceisonlyatrainingexercise.ButPuyduFoupresidentNicolasdeVillierssays，“Wewanttoshowhumansthattheyshouldpickupwastebythemselves，”hesays.“Peoplehavebeenabitshockedseeingthecrowdoingthisgame.We’renoteducatingthecrows；we’reeducatinghumanbeings.”Thewholethingactuallystartedbyaccident.PuyduFouhostsanumberoflivebirdshowsfeaturingfalcons，owls，vultures，andcrows.Inoneshow，acrowissupposedtopickuparoseandofferittoaprincess.Butduringaparticularperformance，insteadofpickinguparose，thecrowgrabbedapieceoftrashandbroughtittotheprincess.ForVilliers，thatsparkedtheideaforbothanewgameforthebirds，andaneducationalprogramforparkgoers.Tomakeitwork，thepark’sfalconer(猎鹰训练者)taughtsixrookstoputcigarettebuttsandothersmallbitsofgarbageintoaboxinexchangefortreats.KaeliSwiftsays，“Ithinkit’ssortofashamecampaigntoencouragepeopletorecognizethatifacrowcanpickupgarbage，thenwedefinitelycantoo.”Corvids(鸦科)areamongthesmartestbirdsintheworld.Theycanrecognizehumanfaces，andhavealsobeenknowntoholdgrudgesagainstresearcherswhohaveshort­changedthemintreats.Theyalsooftenholdfuneralsfortheirdearlydeparted.Recentresearchsuggeststheyevenhavetheabilitytoplanforthefuture.Andnow，theyservetoremindusofourimpactontheenvironment.5．WhatdocrowsdoinPuyduFou?A．Theyworkascleanersinthepark.B．Theyplaygameswithparkvisitors.C．Theyperformtocollectrubbishfortreats.D．Theyhelpvisitorsdotheworkout.6．WhatdoestheauthorintendtodoinParagraph3?A．Introducethelivebirdshows.B．Explainthebeginningoftheidea.C．Provetheclevernessofbirds.D．Addinformationaboutroses.7．Whathasrecentresearchsuggestedaboutcrows?A．Theyareabletoprepareforfuture.B．Theyknowtheimportanceoftheenvironment.C．Theydon’thavetheabilityofrecognizingpeople.D．Theyunderstandtoburytheirpartners.III.短文语法填空Agriculturalexpertssaycropdiversityisimportanttofeedthe1______(increase)populationofourplanet.Theysayhavingalargevarietyofplantsalso2______(help)toprotectagainstpossiblecropdiseasesandfuturecrises.Butmanyexpertssaythenumberhasdecreasedsharplyduringthepastcentury.Oneoftheworld's3______(large)seedconservationprojectshaspredictedfurtherlosses.TheMillenniumSeedBankPartnershipiswarningthatuptoonehundredthousandplantspeciescould4______(permanent)disappear.Therichcollectionofgenes5______decidetheirqualitieswoulddisappearwiththem.Manyexpertsblameclimatechangeandlossofhabitat,normalgrowtharea,fordamagingplantlife.Theysayhuman6______(activity)andpoorlyplanned,overlyheavyuseoflandalsoareresponsible.Modernbusinessfarmingisresponsible7_______lossoffarmers'traditionalcropvarieties.The"GreenRevolution"ofthetwentiethcenturychangedagriculture.Someexpertssaytheuseofmodernmercialfarmingmethodssavedmillionsofpeoplefrom8______(starve).Farmersplanted,watered,andfertilizedtheircropswiththehelpofmachines.Theytreatedtheirfieldswithchemicals9_______(control)diseasesandinsects.Harvestsgrewlargerandhigherquality,10_______anotherresultwasthatsometraditionalcropswerelost.Damagetotheenvironmentoverthepastcenturymakespeoplebelievethatcropdiversityalsosuffered.IV.概要写作阅读下面短文，根据其内容写一篇60词左右的内容概要。Gettingridofdirt，intheopinionofmostpeople，isagoodthing.However，thereisnothingfixedaboutattitudestodirt.Intheearly16thcentury，peoplethoughtthatdirtontheskinwasameanstoblockoutdisease，asmedicalopinionhaditthatwashingoffdirtwithhotwatercouldopenuptheskinandletillsin.Aparticulardangerwasthoughttolieinpublic