必修三unit4

必修三unit4Ⅰ.重点词汇1．________n．天文学________n．天文学家2．________n．系统；体系；制度________adj.系统的3．________n．宗教；宗教信仰4．________n．学说；理论5．________n．球体；地球仪；地球_____adj.全球性的6．________adj.猛烈的；激烈的________adv.猛烈地7．________n．大气层；气氛8．________adj.基本的；基础的9．________n．出席；到场；存在________adj.出席的；存在的10．________n．反应；回应________vi.反应；回应11．________vi.乘；增加12．________n．氧13．________vt.存在；生存________n．存在；生存14．_____n．谜；难题vt.(使)迷惑_____adj.令人困惑的15．________n．生物学________adj.生物的16．________n．万有引力；重力17．________n．卫星；人造卫星18．________n．物理学家19．________adv.失重地20．________n．质量；团；块；大量_______adj.巨大的答案1．astronomy;astronomer2.system;systematic3．religion4.theory5.globe;global6．violent;violently7.atmosphere8．fundamental9.presence;present10．reaction;react11.multiply12.oxygen13．exist;existence14.puzzle;puzzling15．biology;biological16.gravity17.satellite18．physicist19.weightlessly20.mass;massiveⅡ.短语回顾1．________time及时；终于2．beharmful________对……有害3．givebirth________产生；分娩4．________one'sturn轮到某人；接着5．prevent...________阻止；抑制6．block________挡住(光线等)7．cheer________感到高兴；感到振奋8．amass________许多；大量9．break________突发；爆发10．watch________for密切注视；当心；提防11．________that既然12．getclose________靠近；接近13．getthehang________掌握，精通答案1．in2.to3.to4.in5.from6.out7.up8．of9.out10.out11.now12.to13.ofⅢ.句式填空1．what引导的主语从句________(它会变成什么样)wasuncertainuntilbetween4.5and3.8billionyearsagowhenthedustsettledintoasolidglobe.2．so...that...如此……以至于……Theearthbecame________(如此猛烈以至于)itwasnotclearwhethertheshapewouldlastornot.3．it作形式宾语的用法Thisproducedachainreaction,which________(使得生命得以发展)．4．英语倍数表示法ButwhenItriedtostepforward,IfoundIwascarried________(两倍远)ontheearthandfellover.答案1．Whatitwastobecome2.soviolentthat3．madeitpossibleforlifetodevelop考点单词1．pulln.&vt.拉(力)；拖；牵引力Theyarepullingdownthosehousestomakeroomforanewhotel.为了给新旅馆腾地，他们正在拆除那些房屋。Wewavedasthetrainpulledoutofthestation.火车驶出车站时我们挥手告别。pullapart拆开；拆散pullaway(汽车等)开走pulldown拆毁；摧毁pullin(车辆)进站pullout驶出；退出pullover向路边停靠；驶向路边pullup停车即境活用1Iwasluckyenoughtogetonthetrainbeforeit________.A．pulledonB．pulleddownC．pulledinD．pulledout[解析]pullout驶出车站。[答案]D2．existvi.存在；生存Thetechnologyforperformingthisoperationalreadyexists.做这种手术的技术早已存在。Theyarepaidhardlyenoughtoexiston.他们收入微薄，几乎无法维持生活。existin存在于……之中existon靠……为生existby靠……生存Thereexist...有……；存在着……comeintoexistence开始存在；成立bring...intoexistence使发生；产生即境活用2There,intheancienttemple,usedto________abigbell,whichisnowmissing.A．happenB．comeC．existD．stand[解析]Thereusedtoexist过去有……。[答案]C3．puzzlen．谜；难题vt.(使)迷惑；(使)为难Whatpuzzledmeiswhytheydidn'ttakeheradvice.他们为何不接受她的忠告，这使我大惑不解。inapuzzle疑惑；困惑puzzleover冥思苦想puzzleout苦苦思索而弄清楚bepuzzled感到困惑bepuzzling令人困惑的即境活用3Thepresentsituationis________，andweareall________aboutwhatwillhappeninthedaystocome.A．puzzled;puzzlingB．puzzling;puzzledC．puzzling;puzzlingD．puzzled;puzzled[解析]puzzling令人迷惑的，修饰物；puzzled迷惑的，修饰人。[答案]B4．massn．质量；团；块；大量Hergardenisamassofflowers.她的花园里种满了花。Idon'tlikechildreninthemass.大体而论，我不喜欢儿童。amassof＝massesof大量的；许多的inthemass大体上；大致上themasses大众；民众themassof...大部分……【易错提示】amassof和massesof后面可以接可数或不可数名词，作主语时谓语动词的单复数与mass的单复数保持一致。即境活用4________workhasbeendonetopreventthewaterinthelakebeingpolluted.A．AplentyofB．AnumberofC．AmassofD．Agreatmany[解析]amassof大量的，既可以修饰可数名词也可以修饰不可数名词。B、D两项修饰可数名词；A项本身有误。[答案]C5．spreadvt.伸展；传播；蔓延Hespreadaclothonthetable.他把台布铺在桌子上。Thefirespreadfromthefactorytothehousesnearby.火势从工厂延烧至附近的房舍。In20yearsthecityhasspreadquicklytothenorth.在二十年间，这座城市迅速向北延伸。spreadout散开；伸展；延伸spreadover遍布在spread(from...)to(从……)传到，波及到spreadoneself舒展四肢(躺下)即境活用5Paper－makingbeganinChinaandfromthereit________toNorthAfricaandEurope.A．exportedB．spoiledC．carriedD．spread[解析]spread传播。export出口；spoil宠坏；carry运载。[答案]D6．dependvi.依靠Itdependsonhowyousolvetheproblem.那取决于你如何解决这个问题。Youcanneverdependonhisarrivingontime.决不可指望他能准时到达。Howmuchisproduceddependsonhowhardwework.产量的大小在于我们努力的程度。dependonsth./sb.＝relyon依靠或依赖某人/某物dependonsb.todosth.依靠某人做某事Thatdepends.视情况而定。Italldepends.视情况而定。liveon以……为主食；靠……生活feedon(动物)以……为饲料即境活用6—Doyouthinklivinginthecountryhasadvantages?—________.A．Yes,perfectlyB．Yes,itisC．NothingatallD．Well,thatdepends[解析]thatdepends那依情况而定。[答案]D7．disappointvt.使失望Don'tdisappointmebybeinglateagain.别再迟到了，不要叫我失望。Thisaccidentdisappointedourplans.这意外事件使我们的计划落空。disappointsb.使某人失望disappointahope/plan希望/计划落空disappointedadj.失望的disappointingadj.令人失望的disappointmentn.失望；令人失望的人或事toone'sdisappointment令某人失望的是即境活用7Tomneverworkshardathislessons,soit'snot________toseea________lookonhisfaceaftertheexam.A．surprised;disappointingB．surprised;disappointedC．surprising;disappointingD．surprising;disappointed[解析]第一空用surprising修饰物；第二空用disappointed修饰look。[答案]D8．methodn．方法，办法；秩序，条理Newmethodsofproductionwereemployedafewyearsago.新的生产方法几年前曾使用过。Weshouldgooverourlessonswithmethods.我们应该系统地复习功课。withthismethod用这种方法methodof/for(doing)sth.做……的方法即境活用8—________hedidn'teatsonoisily!—Heisalwaysthat________.A．If;mannerB．Why;kindC．Ifonly;wayD．Onconditionthat;method[解析]第一空用ifonly意为”要是……就好了”；第二空用way表示”方式”。[答案]C考点短语1．cheerup感到高兴；感到振奋Tryandcheerupabit;lifeisn'tthatbad.试着高兴一点；生活并不是那样糟糕。【思维拓展】cheersb.up使某人高兴/振奋cheer...on为……加油Cheers!干杯！cheern.欢呼声cheerfuladj.高兴的；快乐的cheerfullyadv.兴高采烈地即境活用9Thenewsthatourteamw