2019-2020学年新教材高中英语 Unit 2 Wildlife protection Sect

-1-SectionⅢDiscoveringUsefulStructures&ListeningandTalking基础知识预习自检Ⅰ.重点词汇1．deern.鹿→deern.(pl.)鹿2．kangaroon.袋鼠→kangaroosn.(pl.)袋鼠3．netn.网→Internetn.互联网4．neighbourn.邻居→neighbourhoodn.临近的地方；街区5．due_to由于；因为6．bird_field_guide鸟类图鉴7．search_for搜索；查找8．paper_cut­outs剪纸Ⅱ.教材原句1．Africanelephants________________(正在被猎杀)．答案：arebeinghunted2．Whatpartofthecity________________(正在被攻击)now?答案：isbeingattacked3．Livingspacesforwildlife________________(正在被减少)duetothecuttingoftrees.答案：arebeingreduced4．Fishandsnakes________________(正在被杀死)forfoodinrestaurants.答案：arebeingkilled5．Thewetland____________________(正在被污染)seriouslyeveryday.答案：isbeingpolluted6．I'veboughta________________(野外指南)sothatwecanlookupthebirdswesee.答案：fieldguide7．Ioftenseewildcats________________(在我们附近)．答案：inourneighbourhood8．Putpapercut­outsonwindows________________(以便)birdsdonotcrashintoit.答案：sothat9．Build________________(野鸟喂食器)tomakesurethatbirdshaveenoughfood.-2-答案：birdfeeders10．Shouldweputout________________(几碗食物)forthem?答案：bowlsoffood重点知识合作探究1reducevt.减少(教材P18)归纳拓展reduceto使降低到；遭受reduceby降低了reducesth.fromsth.tosth.把……从……减少到……reduceprice降价；削价；减价reducesth.tosth.将……概括成(或简化为)①Costshave_been_reduced_by20%overthepastyear.过去一年，各项费用已经减少了20%。②Theskirtwas_reduced_to￡10inthesales.在大减价期间，这条裙子减价到10英镑。③Thenumberofemployeeswas_reduced_from_40_to_25.雇员人数从40人减少到了25人。④Wecanreducetheproblemtotwomainissues.我们可以将这个问题概括成两个要点。(1)单句语法填空①Thetemperatureis36degrees,butitwillbereduced________20degreesinthenight.②Heweighed75kiloslastmonth,andnowhisweighthasbeenreduced________10kilos.答案：①to②by(2)单句写作职工人数从13,000人减少到了7,500人。Theworkforcewasreduced________13,000________7,500.答案：from;to2dueto由于；因为(教材P18)归纳拓展表示“因为，由于”的其他短语有：(1)becauseof比其他短语更口语化；其构成的短语通常作状语，一般不作表语。-3-(2)thanksto“幸亏，多亏”。通常用于好的方面，但有时用作反语，由其构成的短语可置于句首或句末。(3)owingto构成的介词短语可以作状语或表语，作状语时，习惯上用逗号和句子的其他部分隔开。①Eventually,hisscholarshipwasnotapproveddue_tovariousreasons.由于各种原因，他的奖学金最终没有被批准。②Yourheadacheisdue_tostress.你的头痛是由压力造成的。③Because_of/Owing_tothesnow,thepilothadtolandtheplaneatanotherairport.由于下雪，飞行员只得把飞机降落到另一个机场。④Thanks_toyourhelp,weweresuccessful.由于你的帮助，我们得以成功。名师点津dueto，becauseof，owingto和thanksto都可以作状语；dueto，owingto可以作表语；dueto还可以作定语。单句语法填空①Iwaslateforworkthismorningdue________thebadtraffic.②Thanks________hisparents'encouragementandsupport,hefinallyrealizedhisdream.③Itwasverydifficulttoseeourwaybecause________thefog.答案：①to②to③of3searchfor搜索；查找(教材P19)归纳拓展searchsb.搜某人的身search...forsth.搜查(某人/某地)以寻找某物insearchof寻找；搜寻inthe/one'ssearchfor...在寻找……中①Theysearched_foraspotwheretheycouldsitonthefloor.他们在地板上寻找一处能够坐下的地方。②Firefighterssearchedthebuildingsforsurvivors.消防队员在建筑物中搜寻幸存者。③Heaskedthisquestioninthreedifferentwaysin_search_ofananswer.为了寻求答案，他以3种不同方式提出了这个问题。④Egypthassaidthereisnotimetolosein_the_search_foraMiddleEast-4-settlement.埃及称寻求中东和解刻不容缓。(1)单句语法填空①Theysearchedthewoods________thelittleboy.②Shewentintothekitcheninsearch________adrink.③Airphotosarewidelyusedin________searchforpetroleum.答案：①for②of③the(2)单句写作科学家仍在寻求治疗感冒的方法。Scientistsarestill____________acuretothecommoncold.答案：searchingfor-5-Grammar现在进行时的被动语态单句语法填空1．What__________(discuss)now?答案：isbeingdiscussed2．Itisreportedthatthesebirds__________(protect)atpresentinthearea.答案：arebeingprotected3．Theplan________(notcarry)outwellatpresent.答案：isnotbeingcarried4．________thehouse________(decorate)now?答案：Is;beingdecorated5．Theriversandlakesinthisarea________(pollute)bythisfactorynow.答案：arebeingpolluted6．Howmanybuildings________(build)inthetown?答案：arebeingbuilt现在进行时的被动语态的构成和用法(一)构成-6-肯定形式主语＋am/is/are＋being＋done否定形式主语＋am/is/are＋not＋being＋done一般疑问式Am/Is/Are＋主语＋being＋done...？特殊疑问式特殊疑问词＋am/is/are＋主语＋being＋done...？(二)用法1．表示说话时正在进行的被动动作。句中常用now,atthemoment,atpresent等时间状语。Aninterestingexperimentis_being_carried_outnow.现在，一项有趣的实验正在进行。Someyoungpeopleare_being_interviewedinthatroomatpresent.一些年轻人现在正在那个房间里接受面试。2．表示现阶段正在进行的被动动作，说话时不一定在进行。Thefilmis_being_showninthesmallvillagesthesedays.这部影片这些天正在这几个小村子里放映。(2018·天津高考)Mywashingmachineis_being_repairedthisweek,soIhavetowashmyclothesbyhand.我的洗衣机这星期正在被修理，所以我得用手洗衣服。3．表示一种经常性的被动行为，常和always,constantly,frequently等表示频度的副词连用，这种用法常常带有赞扬或厌恶等感情。Heis_always_being_praisedbytheleader.他总是受到领导的表扬。Thewindowsofourclassroomare_frequently_beingbroken.我们教室的窗户经常被打破。名师点津现在进行时的被动语态的注意事项1在现在进行时的被动语态中，am/is/are为第一助动词，being为第二助动词，二者缺一不可，且不可互换位置。Thelawsarebeingrevisedtoprotecttherightsofwomenandchildrenbetter.法律正在被修订以便更好地保障妇女和儿童的权利。2takecareof，lookafter，talkabout，thinkof等动词短语用于现在进行时的被动语态时，其中的介词不可省略。Whatelseisbeingthoughtof？你还在考虑什么别的事情吗？3不及物动词短语、非延续性动词、表示存在意义/所属关系/静态特征的动词以及系动-7-词不用于现在进行时的被动语态。Thebookbelongstohim.这本书是他的。4少数动词用于进行时，其主动形式表示被动含义，如print，cook，build，make等。Themagazinesareprinting.这些杂志正在印刷中。Thebeefiscooking.正在煮牛肉。将下列句子转换成被动句①Theyaren'tdiscussingtheplanatthemeetingnow.→______________________________________________________________②Theworkersarebuildingnewhousesforlocalpeople.→______________________________________________________________③Thelittlegirlistakingphotosofthepanda.→______________________________________________________________④TheWorldWildlifeFundisprotectingtheAfrican