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1深圳牛津版七年级英语下Unit6Electricity课文部分知识点解析及练习一、词组归纳1.转化,变成changeinto2.戏弄某人tricksb3.最后atlast4.看上去很傻lookfoolish5.流经flowthrough6.某种程度上inaway7.被连接到电缆上beconnectedtocables8.电灯泡alightbulb9.挠头scratchone’shead10.不同形式的能量differentformsofenergy11.发电站apowerstation12.一包apacketof13.成/几包的inpackets14.整理好tidyup=cleanup15.关（灯，电器等）switchoff=turnoff16.开（灯，电器等）switchon=turnon17.与某人分享某物sharesthwithsb18.准时ontime19.由……组成bemadeupof20.为……提供……providesthforsb=providesbwithsth21.在乎，关心careabout二、words精讲1.electricity,n.电力；电流，静电；高涨的情绪；紧张如：Atnightthesestreetsarebrilliantwithapearlyradianceofelectricity.Electricadj.电的；电动的；electricaladj.有关电的；电气科学的2.foolish，adj.愚蠢的；鲁莽的；荒谬的，可笑的如：Hewasangrywithhimselfforhavingmadesuchafoolishmistake.Foolvi.欺骗；开玩笑；戏弄n.傻瓜；愚人；受骗者vt.欺骗，愚弄adj.傻的Artdealersfoolalotofpeople.艺术品经销商会愚弄许多人。Iwasfoolenoughtoaccepthisoffer.我接受他的提议真是够傻的。2WhatafoolIwastobelieveheisagoodman!Afoolalwaysfindsagreaterfoolthanhimself.3.bulb，n.电灯泡如：Thelightbulbinthekitchenburntout.4.test,v.回转，返回；n.归来，返乡。如：AfterImadeamodelplane,Itestedit.5.wiren.金属丝;金属线；vi.拍电报如：Electricityiscarriedalongwires.Willyouconnectthiswiretothetelevision?6.batteryn.[电]电池，蓄电池；[军]炮台，炮位；如：Heischargingastoragebattery.7.reply,n.答复、报复（行动）；vi.[法律]（原告对被告）答辩、作答；vt.回应，作出反应如：Hisevasivereplypromptedmetoaskanotherquestion.8.tidy，adj.整洁的、数量大的；n.盛零碎物品的容器、椅子的背罩；vt.&vi.使整洁；弄整齐如：Itwasaneatlyfurnishedandimmaculatelytidyroom.Atidyamountofmoneyisalargeamount.9.identify,vt.识别、认出，确定，使参与，把…看成一样；vi.确定；认同如：Couldyouidentifyyoursunshadeamongahundredothers.ThereportersidentifiedoneofthesixAmericansasanArmySpecialist.10.conversaon,n.交谈、会话,交往、交际；会谈、（人与计算机的）人机对话如：Pleasepullupachairandjointheconversation.11.anyone,pron.任何人；任何一个；谁如：Thatdogwillpickaquarrelwithanyonehemeets.12.cooker,n.厨具，炉具如：Thecookerisnotyetwiredintothemainsupply.Cookn.厨师v.煮饭，烹饪Heisagoodcook.Shecancookdeliciousfish.13.fridge，n.电冰箱；冷冻机如：Iputthemilkandmeatinthefridge.314.lockn.锁；一把，一撮;vt.锁上；使固定；隐藏;vi.卡住，不动如：Shebrushedalockofhairoffhisforehead.Theybeatthemupandlockedtheminacell.15.cable,n.缆绳绳索；[电学]电缆；巨缆;vt.发电报至；电传；固定系牢如：Steelcablewillbeusedtoreplacewornropes.16.moment,n.瞬间，片刻；时刻；重要，紧要;红极一时如：I'llbebackinamoment.Themomenttheclownappearedonstage,theaudiencefoldedup.atthemoment此刻；当时inamoment立刻；马上17.touch,vt.触摸；使某物与…轻轻接触；n.触摸，碰；触觉；vi.接触；联系如：Iwanttotouchbrieflyonanotheraspectoftheproblem.Shewasoffworkwithatouchofflu.keepintouch保持联络18.throughVisitorsenterthroughasideentrance.游客从侧门进入。Iwalkedthroughatunnel.我行经一处隧道。结论：through用作，意思是“”拓展：常用短语辨析：gothrough遭受Shehasbeengoingthroughahardlife.她最近经遭着艰难的生活。getthrough完成，使理解Ifinditimpossibletogetthroughtoher.我发觉根本无法让她听懂。lookthrough浏览Shelookedthroughhernotesbeforetheexam.她考试前匆匆看了一下笔记。livethrough经历...而幸存Hehaslivedthroughtwoworldwars.他经历了两次世界大战。through、across与cross的区别：cross作动词用，“穿过，越过”的意思。主要表示在物体表面上横穿。如横过马路、过桥、过河等，与goacross同义。Becarefulwhenyoucrossthestreet.过马路时要小心。across是介词，有“横跨，横穿，穿越”之意。Goacrosstheroad,youwillfindthepostofficeonyourleft.横过这条公路，你会发现邮局就在你的左边。through是介词，“在...之中，透过”的意思，常与go,walk等动词连用，表示“穿越，横穿”等意思。主要表示从物体内部穿过。如穿过森林、隧洞等。Thetwofriendswerewalkingthroughtheforest.这两个朋友正沿着森林走。运用:①Wemust________theroadverycarefully.②Beforegoing_________theroad,youshouldlookleftfirstandthenright.③Look!Themanisswimming_______thelake.④Theydrove_______thestreetquickly,butthepolicecaughtthematlast.4⑤________thestreetandyoucangettothehotel.⑥He_________theroadandthencomestothepostoffice.⑦Go_________thebridgeandyouwillseethestation.⑧Youcan’t_______theroadwhenthelightisred.⑨It’sdangeroustoswim________theriver.三、Phrases精讲1.小心对待;谨慎处理becarefulwithTheseglassesareveryexpensive,soheisverycarefulwiththem.2.（使）连接；联结connect…to…Connectthehose（软管）tothetapandturnonthetap.被连接到……Beconnetedto…Thehoseisconnectedtothetap.3.发电厂;发电站thepowerstationHetookustoseethepowerstationtheybuilt.4.关(电灯,机器)turn/switchoffPleaseswitchthelightoffbeforeleavingtheroom.Inordertosaveelectricity,pleaseturnoff/switchoffallthelightswhenyouleavetheroom.5.打开(电灯,机器)turn/switchonPleaseturn/switchonthelight,it’sgettingdark.6.转化,变成changeintoTheyeatdifferentkindsoffoodwhichchangeintoenergy.人们吃的各种各样的食物都转化为能量。8.戏弄某人tricksb9.最后atlastAtlast,Ihavemadesomeprogress.最后，我取得了一些进步。10.看上去很傻lookfoolishIknowmanypeopledonotwanttolookfoolish.我知道很多人都不想被人看作愚笨。11.流经flowthroughTheLifePrinciplewillflowthrough.“生命的法则”总是不断流动的。12.某种意义上inawayInaway,itcouldmakeyourlifeeasier.在某种程度上，他能令你的生活更轻松。513.电灯泡alightbulb14.挠头scratchone’shead15.不同形式的能量differentformsofenergy四、sentenses精讲1.I’mgoingtobuyapacketofsweets.apacketof一袋。其后可接可数名词复数或不可数名词用来表示数量。不可数名词没有复数形式，在表示数量时，常用“a+单位量词+of+不可数名词”结构。a+单位量词+of+不可数名词abagofricea+单位量词+of+可数名词复数aboxofapples数词+单位量词+of+不可数名词twocupsofwater数词+单位量词+of+可数名词复数twoboxesofbananas2.Itislikewater,inaway…＿＿＿＿＿＿＿＿＿＿在某种程度上＿＿＿＿＿＿＿＿＿＿，youareright.在某种程度上,你是对的.与way的相关短语:＿＿＿＿＿＿＿＿＿＿妨碍;挡道Hishobbysometimesgetsinthewayofhisstudies.＿＿＿＿＿＿＿＿＿＿在途中;在路中Heisonthewaytoschoolnow.他现在在上学的途中.＿＿＿＿＿＿＿＿＿＿顺便问一下Bytheway,whoisTom?顺便问一下,谁是汤姆?＿＿＿＿＿＿＿＿＿＿一直Hestudiesharealltheway.他学习一直很努力.3.Electricitycomesintoourflatthroughthinwires.电通过细电线进入我们的公寓.＿＿＿＿＿＿＿＿＿＿进入……之内Watercomesintoourhousesthroughpipes.4.Theseareconnectedtocablesunderthestree