人教版高中英语选修九学案讲义Unit 2 sailing the oceans-词汇篇（学生版）

第3讲Unit2Sailingtheoceans词汇篇____________________________________________________________________________________________________________________________________________________________________1.掌握本单元词汇、短语并熟练运用。2.积累并掌握阅读高频词汇。一.词汇1.acceleratev.加速1)Thecaracceleratedasitovertookme.那辆汽车一加速就超越了我。2)Theleaderislosinggroundastherestoftherunnersaccelerate.领先者在其余赛跑者加速时就逐渐失去了优势。2.knot[来]n.结v.打结vt.把...打成结1)Heknottedatowelabouthisneck.他把毛巾系在脖子上。2)Thereisaknotintheboard.这块木板上有个结。3)Myhairknotseasily.我的头发爱打结。4)Theknotwasfastenedinsuchawaythatitwasimpossibletoundo.这个结系得那么紧,根本解不开。5)Mydeadfingerscouldnotuntietheknot.我的手指麻木了,解不开结。[来源:学。科。网]6)Thisknotkeepsloosening.这个结老松开。7)Youneedasharpknifetocutthroughtheknot.你需用快刀才能把结切断。3.simplifyv.简化,使单纯vt.简化1)Shesimplifiedtheinstructionssothatthechildrencouldunderstandthem.她简化了指令以便于儿童理解。2)Thatwillsimplifymytask.那可简化了我的工作。4.updatev.更新,补充最新资料1)Thedatashouldbeupdatedonceaweek.这些数据应该每星期更新一次。2)Mapsneedregularupdates.地图需要经常修订。3)Iupdatedthemitteeonourprogress.我向委员会报告了我们的进展情况。4)Thefeedbackfromtheputerenablesustoupdatetheprogram.计算机的反馈能使我们更新程序。5.swoopn.俯冲,攫取v.抓取,突然袭击1)Policemadeadawnswoop.警方于拂晓时发动了突袭。2)Planesswooped(low)overtheship.飞机低飞着掠过那艘船。3)Therobberswoopedupthebanknotes.劫匪把钞票一把抢走了。4)Theowlswoopeddownonthemouse.那只猫头鹰向着老鼠猛扑下来。5)Theeaglepoisedinmid-airreadytoswooponitsprey.那鹰在半空中盘旋准备扑向猎物。6.depositn.存款,定金,堆积物vt.存放,堆积vi.沉淀1)Hedepositedthecaseintheleftluggageoffice.他把箱子放在行李寄存处。2)Hedepositsasumofmoneyinthebankeachmonth.他每月在银行存一笔钱。3)TheNilefloodsthefieldsanddepositsmudonthem.尼罗河泛滥，在田野上淤积一层泥。4)Youmustdeposit500aswellasthefirstmonth'srent.你必须付500英镑押金及第一个月的租赁费。5)TheshoppromisedtokeepthegoodsformeifIpaidadeposit.商店答应,倘若我付定金就给我保留这批货。6)Athickdepositofmudlayonthefieldswhenthefloodwentdown.洪水退后,田野上留下一层厚泥。7)Ihadtodeposit10%ofthepriceofthehouse.我必须先付房价的10%作定钱。8)Thechequewasonlydepositedyesterday,soithasn'tbeenclearedyet.[来源:Z_xx_k]这张支票昨天才存入银行,所以尚未兑现。7.reckonv.计算,总计,评估1)Ireckonthiswillbeahotsummer.我估计这将是一个炎热的夏天。2)Didyoureckoninthecostofthetaxi?你把出租车费算进去了吗？3)Theyreckonthebookasoneofhisbestworks.他们认为这本书是他的优秀作品之一。4)Thenewswon'tworryher,Ireckon.我看这消息不会使她不安。5)We'rereckoningonmovinghouseinMay.我们指望着五月份搬家。6)CanIreckononyoutohelp?你能帮助我吗?7)Whenyoudidyourexpenses,didyoureckoninyourtaxifares?你计算费用时,把计程车费算进去了吗?8)Theyhadmanydifficultiestoreckonwith.他们有许多困难要考虑。8.foreseev.预见,预知1)Heforesawthathisjourneywouldbedelayedbybadweather.他预知自己的旅程会被恶劣天气耽搁。2)Doyouforeseeanyproblemswiththenewsystem?对于这种新体制，你看会有什么问题吗？3)Thedifficultiescouldnothavebeenforeseen.这些困难是无法预见的。4)Heforesawthatthejobwouldtakealongtime.他预见到做这件工作需要很长时间。5)Theycouldnothaveforeseenhowthingswouldturnout.他们不可能预知事情的结果。9.tearn.眼泪,撕破v.流泪,撕破1)Shetoreherskirtonthenail.钉子勾破了她的裙子。2)Mywifeburstintotearswhensheheardthebadnews.我太太听到这个坏消息就哭了起来[3)Herheartwastornbyanxiety.她焦虑得心都快碎了。4)Shetorethechildfromitsfather'sarms.她把孩子从父亲怀里抢了过去。5)Dotearyourselfawayfromthetelevisionandeoutforawalk.你别舍不得离开电视了，出去散散步吧。6)Don'tpullthepagessohardortheywilltear.别那么使劲扯书页，那会撕破的。7)Thisclothtearseasily.这布料容易撕破。[来源:Zxxk]8)Thechildwastornfromitsmother'sarms.把孩子从母亲怀抱中夺走了。10.roarn.吼,咆哮,轰鸣v.吼,大声说出,叫喊1)Heroaredwithpain.他疼得大叫起来。2)Hisamusingperformancecausedaroaroflaughterintheaudience.他那有趣的表演引起了观众的哄堂大笑。3)Thefootballcrowdroared.足球观众大喊起来。4)Carsroaredpast(us).汽车隆隆地驶过（我们身边）.5)Thecrowdroareditsapproval.群众高呼赞成。6)Themurmurswelledintoaroar.窃窃私语的声音变大形成一片喧哗。7)Theydroveawayfromthecitycentre,theroarofthetrafficstilldinningintheirears.他们驶出了市中心,但车来人往的喧嚣声仍在耳中回响。8)Theroarofthetrainreverberatedinthetunnel.火车的轰隆声在隧道里回荡。长难句理解Soacplishednavigatorswereabletouseittoplottheirpositions．熟练的领航员就能够用它来确定自己的位置。句中acplished是形容词，意思是“优秀的，熟练的”，作定语修饰其后的名词。acplished的用法如下：已完成的;已达到的：acplishedfacts既成事实；学识渊博的,技术高超的,有成就的：anacplishedcook厨艺精湛的厨师anacplishedlady才女JudyisacplishedinEnglishteaching.茱蒂擅长英语教学；Onacleardayespeciallyduringthesummerthesailorscouldusethesunoverheadatmiddaytonavigateby．在晴朗的日子，尤其是在夏天，水手可以使用正午头顶的太阳来引导他们航行。[来源:学科句中tonavigateby作目的状语，修饰谓语动词，其中的by是介词，它的逻辑宾语是前面的thesun。例句：Ihavenotopicstowriteabout.Hefoundsomepenstowritewith.Heisnotthepersontogetalongwith.Seabirdscouldbeusedtoshowthewaytolandwhenitwasnowheretobeseen．看不到陆地的时候，可以利用海鸟来定位通向陆地的方向。[来源:ZXXK]句中used后面有一个停顿。to到land作目的状语。句中when引导的是时间状语从句，修饰说明主句谓语动词。Thenumberofknotsthatwerecountedduringafixedperiodoftimegavethespeedoftheshipinnauticalmilesperhour．一定时段得出的绳节数显示航船的海哩时速。句中thatwerecountedduringafixedperiodoftime是定语从句，innauticalmiles和perhour都是状语。[来源:学&科&网Z&X&X&K]Later,whenseamenbegantousethepassinthe12thcenturytheycouldcalculatelongitudeusingplicatedmathematicaltables．后来到了十二世纪海员开始使用指南针的时候，他们就能够借助复杂的数学表格计算出航行的经度了。usingplicatedmathematicaltables是现在分词短语作状语，表示手段。例句：Theboysatinfrontofthefarm—housecuttingthebranch.那男孩坐在农舍前，削树枝。（伴随）Hecamerunningbacktotellmethenews.他跑回来告诉我这个消息。（方式）Anoldmanentered,supportedbyagirl.一位老人在一个女孩的搀扶下走进来。（方式）Thenhecouldtellifhewassailingonhiscorrectratherthanarandomcourse.这样他就能弄清楚他是沿正确航线而不是紊乱航线航行。ratherthan的例句还有：IthinkI’llhaveacolddrinkratherthancoffee.Whydidn’tyouaskforhelp,ratherthantryingtodoitonyourown?Theearliest，theastrolabe，wasaspecialall-in-onetoolfortellingthepositionoftheshipinrelationtothesunandvariousstarswhichcoveredthewholesky．最早的，那些古代的星盘，是一种单一形式的工具，用来确定船舶与太阳和太空星辰的相对位置。inrelationto…是复合介词短语，作状语。请看：inrelationto(=concerning)thismatter。Itsbrainissmallinrelationto(=paredwith)itsbody.Littleofwhathesaidhasanyrelationtofact.Itprovedtobethemostaccurateandreliableoftheseearlynavigationalinstruments．它证明是这些早期航海仪器中最准确最可靠的一种。句中proved可以看作半系动词，后接表语。look，turn，feel，get，bee，sound，smell，stand，go，remain等都可能用作半连系动词。例如：Helookedaperfectfool．他看上去是个十足的傻瓜。Heturnedtraitortohiscountry．他背叛了祖国。Ifeltveryhungryafteralongwalk．走了一段长路，我感到很饿。Ourmotherlandisgettingstrongerandstronger．我们国家变得越来越强大了。Someofthelandbecamecoveredwithwater．一些田地覆盖着水。Thestorysoundsinteresting．这故事听起很有趣。Theflowerssmellsweet．花朵散发芳香。Holdingthenoteinhishand，hestoodtheredumbfounded．他拿着钞票，站在那里，目瞪口呆。Theywentmad．他们发狂了。Heneverremainedsatisfiedwithhissuccess．他从不满足于自己的成绩。1.Smallbusinessesarepleteat______mercyof______banksthesedays.Aa;/Bthe;/C/;theDa;the2.（2015江苏南京调研）Bodymassindex,orBMI,isameasureofaperson’sweight_______height.ApersonwithaBMIoftwenty-fivetotwenty-nineisconsideredoverweight.AinviewofBinrelationtoCintermsofDinresponseto3.You’dbetterwritedownthephonenumberofthatrestaurantforfuture________.ApurposeBreferenceCprogressDmemory4.Atthe________momentthatIputmyfootonthestep,thebusstarted.ApreciseBdelicateCconsiderateDspecial5.Heisa______friend.Youcoulddependonhim.AavailableBpossibleCportableDreliable6.Environmentalexpertspointoutthat_______someseriousproblemsuchasglobalwarming,butitalsocouldthreatenhumanlife.AnotonlydoesincreasingpollutioncauseBnotonlycausesincreasingpollutionCnotonlyincreasingpollutioncausesDnotonlyincreasingpollutiondoescause基础演练根据汉语或首字母提示填空1.Wecontinuetoseeat_______towardglobalizationoffinancialbusiness.2.Thedatashouldbe__________(更新)onceaweek.3.putersbecamelighter,smaller,andmorep__________everyyear.4.Thetechnologyhasbeens________sothateveryonecanuseit.5.Swansaresurprisingly_________(笨拙的)onland.6.Mostpeopleknowthattheouteofacointossisr________.7.Thegovernmentwillgrantthempermissionforoile__________.8.Sheturnedonthe___________()lightandlookedaroundtheroom.9.Therocksintheseahadgreens__________growingonthem.10.Despitesomes_______asacook,hewasstillthebestdadyoucouldeverhopefor.11.Theaircrafts________downoverthefieldsinsearchofitstarget.12.Thepostmanhasbroughtap________foryou.13.Ther__________andopenpolicyhasbroughtusChinesepeoplearichandcolorfullife.14.Ithinkitis______________(必须做的)tolookoverthehouse.15.Thebirdwasp__________seedsoutofthesunflowers.16.Thecarrolledovertheedgeofac________.17.Theyplannedtoorganizeascientific___________(远征).18.Hopesarefadingforthes________ofthemissingclimbers.19.Allthearrangementsshouldhavebeenpletedbeforeourd________.20.Hed________asumofmoneyinthebankeachmonth.21.Thebadweatherputusinad________—shallwemoveonorgoback?22.Heusuallygoesoutforawalkat__________(黄昏).23.Theylosttheirwayinthedesertanddiedoft_________.24.Therehasbeena__________(逐渐的)increaseinthenumberofpeopleowningcars.25.Shehadanundergraduatedegreein________(心理学).26.Thiswirewilltake50poundst__________beforebreaking.27.Thesepoorpeoplearelivingonthevergeofs________.巩固提高1.Generallyitis_____badmannerstoblowyournoseat_____tableorspit(吐痰)in____publicplaces.A.∕;the;theB.the;a;∕C.∕;∕;∕D.the;∕;∕2.Ilike_____intheautumnwhentheweatherisclearandbright.A.thisB.thatC.itD.one3.Motherthoughtitnouse_____metomarryJohn.A.forcingB.lettingC.makingD.toforce4._____totrainhisdaughterinputer,heputanadlikethisinthepaper,“_____,aputerteacherforaten-year-oldgirl.”A.Determined;WantedB.Determined;WantingC.Determines;WantedD.Determining;Wanting5.InBritaintoday,women______44%oftheworkforce,andnearlyhalfthemotherswithchildrenareinpaidwork.A.takeupB.makeupC.pickupD.giveup6.ItissaidthatinAustralia,thereismorelandthanthegovernmentknows____________.A.howtodowithitB.whattodowithC.whattodowithitD.howtodowith7.Wasitbecauseitrainedheavilylastnight_____youdidn’te?A.thatB.whyC.soD.what8.Youdidn’thearmeuntilnow?No.Imust___________soundly(沉)whenyoucamein.A.havesleptB.besleepingC.sleepD.havebeensleeping[来9.You’veagreedtogo.Sowhyaren’tyougettingreadyrightnow?ButI_______thatyouwouldlikemetostartatonce.don’trealizeB.haven’trealizedC.didn’trealizeD.hadn’trealized10.Theexperimentturnedouttobeapletefailure,_______wasn’t______theywanted.A.it;whatB.as;thatC.which;whatD.that;what11.WhendidyougotoShanghai?Iremember______therewhenIwasaboyoften.A.tobetakenB.beingtakenC.totakeD.havingtaken12.Robertissaid___________abroad,butIdon’tknowwhatcountryhestudiedin.A.tohavestudiedB.tobestudyingC.tostudyD.tohavebeenstudying13.IseldomwatchTV,butIlistentotheradioalot.______________.A.SodoIB.NeitherdoIC.ThesametomeD.Soitiswithme.[来源:14.InChina,allthestudentsworkhardatschool_________goingtouniversityforhighereducationinthefuture.A.inthehabitofB.inthehopeofC.insearchofD.inhonorof15.Whydoesshealwaysaskyouforhelp?Thereisnooneelse_____,isthere?A.whototurntoB.shecanturntoC.forwhomtoturnD.forhertoturn一．翻译句子1．我们很可能感到奇怪，在经纬度用来在地图上标出船只位置之前，海员是如何对海洋探索的。2．在看不见陆地的时候，可以用海鸟来指明通往陆地的去路。(beusedtodo)3．你简直无法想象我们被放逐在小船上漂泊了40天后在帝汶岛登陆时的凄惨样子。4．在公园里，我看见一个小男孩手持风筝线，风筝在他的头顶上正由风摆布，忽上忽下。（overhead,atthemercyof）5．他总是使我们忙个不停，并且竭力使我们忘记饥渴。（takeone’smindsoff）二.根据首字母填空However,itwasa_______touseasoneofthepointsofreferencewasthemovingshipitself.Thiswasamorepreciseands_______versionoftheastrolabe.Itprovedtobethemostaccurateandr_______oftheseearlynavigationalinstruments.Thisseemstohavebeenthefirstandmostusefulformofexplorationwhichcarriedthem___________amountofrisk.5.Oncewewereatsea,ourr_______everydaywasthesame.Thereisaspecialcloudformationwhichi_________thereislandcloseby.Seamencouldfollowthebirdstolandeveniftheywereo__________andintheopensea.Wiseseamencoulda____________thespeed,buttheycouldalsobedangerous.Thereisnos_______methodofmeasuringlongitudeuntilthe17thcenturywhentheBritishsolvedthistheoreticalproblem.Anearlymethodofmeasuringspeedinvolvedthrowingak_________ropetiedtoalogoverthesideoftheship.[来源:学_科_网]Thepasshasaspecialm_________pointerwhichalwaysindicatestheNorthPole.Thesextantwastheu_________versionoftheastrolabeandquadrantwhichreducedthetendencytomakemistakes.Itwass_______quantitiesbuttheextremelackofwaterwasthehardesttocopewithpsychologically.Thed_____________ofstayingontheshipseemedtogrowasIthoughtabouthowwrongitwastotreatCaptainBlighinthisway.[来源:Z&xx&k]15.Thet__________intheboatgotworseasthesupplyoffoodandwatergraduallydisappeared.__________________________________________________________________________________________________________________________________________________________________一.单项选择(2014西城二模)1.—Youlookgreat!—I______out.Checkoutmymuscles!A.willwork B.wasworking C.havebeenworking D.hadbeenworking2.______StephonMarburyisanAmerican,hehasbeearolemodelamongBeijingbasketballfans.A.As B.Although C.When D.Since3.It’sbeendiscoveredinthestudy______peoplearemorerelievedafterforgivingothers.A.that B.what C.which D.whose4.Grandpawasshockedbythenews.Rarely______himsoquiet.A.doIsee B.hadIseen C.Ihadseen D.Isaw5.Thereportaimstoexplainhowtheseconclusions______.A.werereachedB.hadbeenreached C.havereached D.hadreached6.Sometimes,______apatientaget-wellcardisbetterthanvisitinghim.A.tobesent B.beingsent C.havingsent D.sending7.It’salwayshardtorememberanamewhenonedoesn’thaveafacetogowith______.A.him B.it C.her D.one8.Itwasunusualthatsuchcloseneighbors______notknowoneanother.A.could B.would C.must D.should9.Theagentpromisedtokeepthefamilymembersfully______ofanydevelopments.A.inform B.informing C.informed D.beinginformed10.—Theprofessorgaveareallygoodspeech.—Isuggestyou______himsomespecificquestionsabouthisworkexperience.A.haveasked B.willask C.asked D.ask11.Apersonwhohasnevertastedbitterwon’tknow______sweetis.A.which B.what C.when D.why12.Thelandladypreferstohavewomenintheapartmentratherthanmen.Shethinkswomentake______careofthings!A.well B.good C.better D.best13.Basedonatruestory,thefilmshowsaheroracing______timetogetbackthestolenpapers.A.behind B.against C.about D.at14.I’vemadeseveraltravelplansforourvacation,butI’llleaveittoyou______one.15.Parishassomegreatmuseums______visitorscanseefineworksofimpressionistpainters.A.where B.which C.that D.when二.阅读理解AMyeighthgradeconsistedof28classmates．Wekneweachothersowellthatmostofuscoulddistinguisheachother'shandwritingataglance．Althoughwegrewuptogether,westillhadclassoutcasts．Fromsecondgradeon,asmallgroupstartedharassing（骚扰）twoorthreeoftheothers．Iwasoneofthosetwoorthree,thoughIdidn'tknowwhy．Inmostcaseswhenchildrengetpickedon,theyaren'tgoodatsportsortheyreadtoomuchortheywearthewrongclothesortheyareofadifferentrace．Butinmyclass,weallreadtoomuchanddidn'tknowhowtoplaysports．Wehadalsobeenbroughtuptocarefullyrespecteachother'srace．Thisiswhatwassostrangeaboutmysituation．Usually,peoplearemadeoutcastsbecausetheyareinsomewaydifferentfromthelargergroup．Butinmyclass,largedifferencesdidnotexist．Itwasasiftheoutcastswereinventedbythegroupoutofaneedforthem．TheharassmentcameintheformoflaughterwhenItalked,androlledeyeswhenIturnedaround．IfIwasoutontheplaygroundandapproachedagroupofpeople,theyoftenfellsilent．Sometimes,someonewouldnotseemeingandIwouldcatchthetailendofajokeatmyexpense．TherewasanothergirlinourclasswhowasperhapsevenmorerejectedthanI．Sheprovidedthegroupwithalotofmaterialforjokes．OnedayonepopulargirlcameuptometoshowmesomethingshesaidIwouldn'twanttomiss．Wewalkedtoaeroftheplayground．Threeorfourgirlstherewerereadingaloudfromasmallbook,whichIwastoldwasthegirl'sdiary．Isatdownand,laughingtillmysideshurt,heardmyvoicefinallymixedwiththeothers．Oftenbeingacceptedbyothersismoresatisfyingthanbeingacceptedbyoneself,eventhoughthesatisfactiondoesnotlast．Lookingback,IwonderhowIcouldhaveparticipatedinmakingfunofthisgirlwhenIknewperfectlywellhowitfelt．IfIwereinthatsituationtodayIwouldreactdifferently,butIcan'thonestlybesure．1.Theauthorwasmadeanoutcastbecause____．A.shecouldn'tplaysportsaswellasothers B.herfamilybelongedtoaminoritygroupC.herclassmatesfoundherclothesfunny D.herclassmatesneededtofindanoutcast2.Howwastheauthortreatedasanoutcast?A.Shewasoftenthetargetofteasing．B.Noonerespondedtohertalking．C.Shewasrefusedtoapproachothers．D.Herdiarywasoftenmadepublic．3.WhatdidtheauthordotothegirlmentionedinParagraph3?A.Sheshowedgreatsympathywiththegirl．B.Shejoinedothersinmakingfunofthegirl．C.Shestoppedtheothersfromhurtingthegirl．D.Shefoundmorematerialsaboutthegirlforjokes．4.Whatdoesthepassageintendtotellus?A.Everyoneislikelytobeeanoutcast．B.Weshouldn'thitapersonwhenheisdown．C.Oneshouldpaysomebodybackinhisownway．D.Everyonehasadesiretobeacceptedbyothers．BBreakingtheCodeOneschoolnightthismonthIwalkedquietlyuptoAlexander,my15-year-oldson,andtouchedhischeekgentlyinamannerIhopedwouldseemcasual．Ayearagohewouldhaveignoredthisdisturbancebutnowhereactedimpatientlyandleanedbacktohisputerscreen．Imadeamistake:breakingintomyteenager'spersonalspace．"Theaverageteenagerhasprettystrongfeelingsabouthisprivacy,"LaraFoxandherfriendHilaryFrankeltoldme．Mr.FrankelandMr.Fox,both17,aretheauthorsofBreakingtheCode,anewbookthatseekstobridgethegenerationaldividebetweenparentsandadolescents．Itisbeingpromotedbyitspublisherasthefirstself-helpguidebyteenagersfortheirparents,akindof"KidsAreFromMars,ParentsAreFromVenus"thatexplainsthelanguageandactionsofteenagers．Thegirlsdealtwithissuesincludinghangingoutlate,money,schoolpressures,smokingetc．Personally,Iweletheiropinions．Themostmonmisstepsininteractingwithteenagersarisefromthewarbetweenparentsexercisingtheirrightstoknowwhatgoesonundertheirroofandteenagersfirmlyguardingtheirprivacy．Teenagerscanbequicktointerprettheirparents'remarksandrespondwithangerthatmaskstheirvulnerability（脆弱）.MsFoxsaid,"Whatwewantaboveallisyourapproval．Don'tforget,nomatterhowmuchweactasifwedon'tcarewhatyousay,webelievethethingsyousayaboutus．"Nancy,aNewYorkchild-raisingexpertsaidshedidn'tagreewitheverythingtheauthorssuggestedbutfoundtheirargumentsreasonable．"Whenyourkidsaresaying,'Youdon'tgetit,andyouneverwill,'therearelotsofwaystorespondsothattheywilllistenandthatiswhatthewriterspointout．""Myparentshelpedmeseethat,"Mr.Foxtoldme,"eventhoughtheyusedtostayoutlateandridetheirbicyclestoschool,timeshavechangedandthewayparentseducatechildrenisdifferent．Thesedaysthereisamajorfearfactorinbringingupkids．Parentsworryabouttheirchildcrossingthestreet．"Thewriterssaidtheyhopedsimplytothrowlightonteenagethinking．5.Whydoestheauthormentionthebook"KidsAreFromMars,ParentsAreFromVenus?A.Itisoneofthebest-sellers．B.Itisalsowrittenbythetwogirls．C.Thetwobookshavethesimilartheme． D.Thetwobookshavedifferentopinions．6.Theunderlinedsentence"Youdon'tgetit,andyouneverwill"inthe4thparagraphimpliesthat____．A.theteenagersdon'twant/toadmittheirweaknessB.theteenagersthinkthattheirparentswillneverunderstandthemC.theparentsdonotnecessarilyforceintotheworldoftheirchildrenD.thegenerationgapcannotbeshorteneddespitetheirparents'efforts7.Itcanbeinferredfromthelasttwoparagraphsthat____．A.teenagersshouldguardtheirprivacyB.Nancytotallyagreeswiththetwogirls'opinionsC.parentsaremoreconcernedaboutchildren'ssafetyD.thetwogirlshaveobtainednumeroussupportfromthepublic8.Accordingtothetwogirls,teenagersnowadaysare____．A.independent B.intelligentC.sensitiveD.inconsiderateCHumankindhastriedtoimproveitsstandardoflivingsincetheverybeginningofcivilization．Backthen,aswellastoday,providingfoodandsecuritywasthebasictaskforaperson．However,nowadaystherangeofrequiredgoodshasexpandedsignificantly．Peoplefeeltheneedfornotonlysomeprimarythings,suchasapieceofbreadandaroofovertheirheads,butalsoforvariousfacilitiesandluxuries．Providinghumanitywiththesethingsisconnectedtotheuseofnaturalresources,whichrequiresenergy．Inturn,themonsourcesofenergyweusetodaycausepollution,soeconomicgrowthisalmostinevitablyassociatedwithenvironmentaldamage．Economicgrowthistheincreaseinnumbersofgoodsandservicesproducedovertimebyaneconomy,andit'scalculatedintermsofrealGrossDomesticProduct（GDP）．Beforegrowthiscalcula