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一根绳子系着一个泡沫小球，悬挂在一个带电体A右边，小球静止时与带电体A等高且不接触，请画出小球受力示意图．
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如图将一小球通过一根轻质绳悬挂在固定的钉子上让小球在竖直平面内摆动就构成了一个单摆不考虑绳的重力和一
小球在摆动的过程中，相对于钉子是静止的
小球摆到最高点时，速度为零，所以受平衡力的作用
小球对绳子的拉力和绳子对小球的拉力大小相等
小球摆到O点时速度最大，所以惯性也是最大
用一根长为L的细线把一个质量为m的小球悬挂在O点使小球处于静止状态如图所示现在最低点给小球一个水平向
14分在图9中一根绳子系着一个泡沫小球悬挂在一个带电体A.右边小球静止时与带电体A.等高且不接触请画
一根绳子系着一个泡沫小球悬挂在一个带电体A.右边小球静止时与带电体A.等高且不接触请画出小球受力示意
悬挂在O.点的一根不可伸长的绝缘细线下端有一个质量为m带电量为－q的小球若在空间加一匀强电场则小球静
如图5一根绳子系着一个泡沫小球悬挂在一个带电体A.右边小球静止时与带电体A.等高且不接触泡沫小球除受
一个轻质的小球悬挂在空中用一根与毛皮摩擦过的橡胶棒去靠近它发现小球被吸引过来则小球
一定带正电
带负电
一定不带电
可能带正电，也可能不带电
一个带电小球用细线悬挂在水平方向的匀强电场中当小球静止后把细线烧断则小球离开电场前
做自由落体运动
做匀加速直线运动
做变加速直线运动
做曲线运动
如图所示用一根不可伸长的轻质细线将小球悬挂在天花板上现对小球施加一个方向始终垂直细线的拉力F将小球
一个带电小球用细绳悬挂在水平方向的匀强电场中当小球静止后把悬绳烧断小球将沿方向做运动
宇航员在某一星球上以速度v0竖直向上抛出一个小球经过时间t小球又落回到抛出点.然后他用一根长为L.的
一根绳子系着一个泡沫小球悬挂在一个带电体A.右边如图7－1－6所示小球受到带电体A.的吸引静止时与带
图2一根绳子系着一个泡沫小球悬挂在一个带电体A.右边小球静止时与带电体A.等高且不接触请画出小球受力
单绳抓斗是由一根绳索悬挂在起升机构的一个卷筒上工作
一根绳子系着一个泡沫小球悬挂在一个带电体A右边小球静止时与带电体A等高且不接触．请画出小球受力示意图
一个带电小球用细绳悬挂在与水平方向成30°角斜向下的匀强电场中当小球静止后把悬线烧断小球将做
自由落体运动
变加速曲线运动
沿悬线的延长线做匀加速直线运动
类平抛运动
一个轻质的小球悬挂在空中用一根与毛皮摩擦过的橡胶棒去靠近它发现小球被吸引过来则小球
一定带正电
带负电
一定不带电
可能带正电，也可能不带电
宇航员在某一星球上以速度v0竖直向上抛出一个小球经过时间t小球又落回到抛出点.然后他用一根长为L.的
悬挂在O.点的一根不可伸长的绝缘细线下端有一个质量为m带电量为-q的小球若在空间加一水平方向的匀强电
如图3一根绳子系着一个泡沫小球悬挂在一个带电体A.右边小球静止时与带电体A.等高且不接触泡沫小球除受
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ThedeadliestEbola埃博拉病毒outbreakinrecordedhistoryishappeningrightnow.Theoutbreakisunprecedented空前的bothinthenumberofpeoplewhohavegottensickandinthegeographicscope.Andsofarit'sbeenalongbattlethatdoesn'tappeartobeslowingdown. Ebolaisbothrareandverydeadly.Sincethefirstoutbreakin1976Ebolaviruseshaveinfectedthousandsofpeopleandkilledroughlykilled60percentofthem.Symptomscancomeonquicklyandkillfast. ThecurrentoutbreakstartedinGuineasometimeinlate2013orearly2014.IthassincespreadtoSierraLeoneandLiberiaincludingsomecapitalcities.AndoneinfectedpatienttraveledonaplanetoNigeriawherehespreadthediseasetoseveralothersandthendied.CaseshavealsopoppedupinvariousothercountriesthroughouttheworldincludinginDallasandNewYorkCityintheUnitedStates. TheEbolavirushasnowhitmanycountriesincludingGuineaLiberiaSierraLeoneNigeriaSenegalandtheUnitedStates.Theviruswhichstartsoffwithflu﹣likesymptomsandsometimesendswithbleedinghasinfectedabout6500peopleandkilledmorethan3000sincethiswinteraccordingtotheWorldHealthOrganizationonSeptember302014. Therearesomesocialandpoliticalfactorscontributingtothecurrentdisaster.BecausethisisthefirstmajorEbolaoutbreakinWestAfricamanyoftheregion'shealthworkersdidn'thaveexperienceortraininginhowtoprotectthemselvesorcareforpatientswiththisdisease. JournalistDavidQuammenputitwellinarecentNewYorkTimesarticleEbolaismoredangeroustohumansthanperhapsanyknownvirusonEarthexceptrabies狂犬病andHIV.Anditdoesitsdamagemuchfasterthaneither. Hopefullyresearchersareworkingtofinddrugsincludingarecent﹩50millionpushattheNationalInstitutesofHealth.Andscientistsareworkingonvaccines疫苗includinglookingintoonesthatmightbeabletohelpwildchimpanzeeswhicharealsosusceptibletothedisease.ThefirsthumanEbolavaccinetrialisscheduledtostartinthespringof2015. 1AccordingtothepassagewhichofthefollowingaboutEbolaistrue? A.TheEbolaoutbreaknowisthebiggestoneinhistory. B.Ebolabreaksoutquicklybutitisundercontrolnow. C.Ebolaisdeadlyandcommonsoitkillsalotofpeople. D.Ebolakilledabout60thousandpeoplequicklyin1976. 2TheEbolaviruswasbroughttoNigeriaby. A.aflyingbird B.aninfectedpassenger C.hotAfricanweather D.ahealthorganization 3Thelastparagraphmainlytellsusthat. A.itwillbeahugewastewhenresearchersspendlotsofmoneyfindingacure B.thevaccinescanbeeffectivetowildchimpanzeesbutnottothehumans C.therewillbeanoptimisticfutureinwhichwecandefeatthedisease D.wecanusethevaccinetocurethepatientscompletelyin2015'sspring 4Whatisthebesttitleofthepassage? A.Ebola﹣﹣﹣﹣TheAfricanLocalDisaster B.Ebola﹣﹣﹣﹣TheNewly﹣FoundDisease C.Ebola﹣﹣﹣﹣AMoreEffectiveVaccine D.Ebola﹣﹣﹣﹣TheDeadlyVirusOutbreak
ShakeshackisanewkindofrestaurantbecomingmorepopularintheU.S.TherestaurantsarenotFastfood.TheyareknownasFastcasual. ObserverssayAmericanswantmorechoicesandfreshfoodwhenchoosingwhereandwhattoeat.ThistrendisonereasonwhythefastfoodrestaurantMcDonald'shasstruggledfinanciallyinthelastquarterof2016McDonald'snetincomedroppedbyabout300million.TheJanuaryearningsreportbroughtmorebadnews.Worldwidesalesdroppedfortheeighthmonthinarowanevenmorethanexpected.WhileMcDonald'sisstrugglingtogettheircustomersbackshakeshackisdoingwellinmakingmoney.TheNewYork﹣basedburgerchainhadaverysuccessfulIPOorinitialpublicofferingofsharesattheendofJanuary.Onitsfirstdayoftradingshakeshackwentfrom﹩21asharetojustunder﹩46ashare. BeingpartofthefastcasualTrendhashelpedShackShack.OtherfastcasualrestaurantsintheU.S.includeChipotleandPaneraBread. BonnieRiggsisarestaurantexpertwithNPD.ShehasfollowedAmericansrestauranthabitsforalmost30years.ShesaysonereasonwhyAmericanslikefastcasualfoodisthatit'snew.Itiscreativeitissomethingdifferentandpeopleliketotrynewthings.HerstudiesshowAmericansmade61billionvisitstorestaurantslastyear.ThreeoutoffourvisitsweretofastfoodrestlikeMcDonald'sfastcasualisstillasmallpercentageofrestaurantvisitsbutithasdevelopedfast.JustasMsRiggssaysIt'sgrowingbyleapsandboundsbecausetheymeetconsumer'sneeds.Theyknowit'sbeingpreparedwhiletheywait.It'sfresh.qualityfoodgoodtastingfoodatthattheysayarereasonableandaffordableprices. ManyAmericansstillliketheirfastfood.Theyarenotgoingasoften.Theyarefindingotherwaystohaveameal. 1WhatisthetroublewithMcDonald's A.Itssharegoesdownto﹩21. B.ShakeShackhastakenitsplace. C.It'snotpopularwithAmericans. D.It'ssalesandincomehavedropped. 2WecanlearnfromBonnieRiggsthatAmericans. A.liketotrysomethingnew B.careonlyaboutthequality C.Don'tlikefastfoodanymore D.paymorerestaurantvisitstofastcasual. 3WhatdoestheunderlinedphraseByleapsandboundsinParagraph3mean? A.steadily B.rapidly C.slowly D.Normally 4Whichofthefollowingbestdescribesfastcasualfood? A.Fresh﹣madeandtasty. B.High﹣qualityandexpensive. C.Farm﹣totableandtraditional. D.Time﹣consumingandspecial.
Wepurchasedthreenewrosebushes.Wealreadyhadoneinasmallgardenandeveryyearonlyoneortworoseswouldcomeout.Buttheywerebeauties.Ibelieveithappenedbecausealltheotherplantsinthegardencompletelycoveredtherosebush. SowiththeadditionofthreenewbushesIdecidedtopulltheoldoneoutofthegardenandplaceitwiththeothers.Iknewtheshockofthetransferwouldcauseittoweakenabit.Itdid.InfactMywifeMarywasright.Italmostdied.Oneofthetallestbranchesthemostprobableonetoproducearoseslumped弯垂的.Afterafewdaysthebranchnearlytouchedtheground. It'llcomeback!IsaidtryingtoconvinceMary.Iwasrightindoingthis.Afterafewdaysmostoftheplantseemtorespond.Butingeneralitlookedbad. ShouldIcutoffthatbranch?Maryaskedoneday. Nojustleaveit.Isaid. AfteraboutaweekIapproachedtheplantcutterinhandanddiscoveredthatalthoughstillslumpedandbentithadcompletelyrecovered.Thebranchwasstrongandfirm.Itregainedfullstrengthandabilitiestoproduceasinglerose! Likeseeingsomeonewithphysicalchallengesyoumightthinktheywereunabletolivelifetothefullest.You'dbewrong.Theytoolearnedtolivewithinthenewlydefinedlifetobecomealltheycouldbe.Strongwithintheboundariesoftheirnewlifetheyblossomedtobecomealltheywerecreatedtobe. 1Theoldrosebushproducedfewrosesprobablybecause. A.itwasgettingold B.thesoiltherewasverypoor C.itcouldn'tgetenoughsunshine D.theclimatetherewasdry 2Accordingtothepassagetheslumpoftheoldrosebush. A.wasbeyondtheauthor'sexpectations B.mettheauthor'sexpectations C.annoyedtheauthor D.disappointedtheauthoralot 3Whentheauthorappearedwithacutterinhandinfrontoftheoldrosebushaboutoneweeklaterhe. A.washappythatitbecamecompletelystraight B.wassadthatitwasnotusedtothenewenvironment C.wasshockedthatitproducedonerose D.wassadthatitstillslumped 4Whatcanwelearnfromthepassage? A.Transferringtherosebushisdamagingtoitsgrowth B.Itisdifficulttoliveinanewenvironment C.Weshouldbepatientwhileplantingflowers D.Weshouldlearntosurvivethegreatchangesinourlife
现代社会越来越多的人成为低头族或手机依赖症患者phubbing就这一社会问题你们学校英语社团发起不做低头族请恰当使用手机为主题的演讲比赛.请根据以下提示以李华的名义写一篇英语演讲稿. 1.阐明迷恋手机的危害 2.如何恰当使用手机 3.发出明智使用手机的倡议. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯
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TheBrownBear MywifeLauraandIwereonthebeachwiththreeofourchildrentakingpicturesofshorebirdsnearourhomeinAlaskawhenwespottedabear.Thebearwasthinandsmallmovingaimlessly. JustafewminuteslaterIheardmydaughtershoutingDad!Thebearisrightbehindus!Anaggressivebearwillusuallyrushforwardtofrightenawayitsenemybutwouldsuddenlystopatthelastminute.Thisonewassilentanditsearspinnedback﹣﹣﹣﹣thesign迹象ofananimalthatisgoinginforthekill.AnditwasacoldAprilday.Thebearbehavedabnormallyprobablybecauseofhunger. Iheldmycameratripod三脚架inbothhandstoformabarrierasthebearrushedintome.Itshugeheadwaslevelwithmychestandshouldersandthetripodstuckacrossitsmouth.ItbitdownandIfoundmyselfsupportingitsweight.IknewIwouldnotbeabletoholditforlong. EvensothiswasafightIhadtowinIwasallthatstoodbetweenthebearandmyfamilywhowouldstandlittlechanceofrunningfasterthanabrownbear. Thebearhitatthecameracuttingitoffthetripod.Iraisedmyleftarmtoprotectmyfacethebeastheldtightlyonthetripodandpresseditintomyside.MyarmcouldnotmoveandIsensedthatmybonesweregoingtobreak. DrawingbackmyfreehandIstruckthebearashardasIcouldforfivetosixtimes.ThebearopeneditsmouthandIgraspeditsfurtryingtopushitaway.Iwasactuallywrestling扭打withthebearatthispoint.Thenassuddenlyasithadbegunthefightended.Thebearmovedbacktowardtheforestbeforereturningforanotherattack﹣﹣﹣﹣﹣ThefirsttimeIfeltpanic. Apparentlysatisfiedthatwecausednofurtherthreatthebearmovedoffdestroyingafenceasitwent.Myarmwasinjuredbuttheoutcomeforuscouldhardlyhavebeenbetter.I'mproudthatmyfamilyremindedclear﹣headedwhenpaniccouldhaveledtoaverydifferentoutcome. 1Thebrownbearapproachedthefamilyinorderto. A.catchshorebirds B.startanattack C.protectthechildren D.setupabarrierforitself 2Thebearfinallywentawayafterit. A.feltsafe B.gotinjured C.foundsomefood D.tookawaythecamera 3Whichofthefollowingphrasescanreplacegoinginforinthesecondparagraph? A.goingtochaseafter B.goingtolike C.goingtotakepartin D.goingtosupport 4Thewriterandhisfamilysurvivedmainlyduetotheir. A.pride B.patience C.calmness D.cautiousness
RestaurantsinEuropetheUnitedStatesandJapanaretestingtechnologytoletdinersordertheirfood1directfromascreenattheirtableinsteadofdepending2awaitertonotetheirchoice. Thee﹣menucanattractyoungercustomersandmakedinerswanttoorder3theydiscoverandlike. InIsraelacompanyhasalreadyusedthee﹣menutechnologyin4sushibars寿司店pubsandfamilyrestaurants.Thesystemisbasedontouchscreensalreadyusedinself﹣servicecanteens自助餐厅orfor5sellticketsinairportsandcinemas. It'saboutimpulse﹣buying冲动消费saidAdi6company'schiefmanager.7apersonstartslookingatpicturesofchocolatecakethechancesarehe'llorderit. ThecompanyhasalsosupplieditssystemstorestaurantsinFranceSouthAfricaandBelgium. Frameafashionablesushirestaurant8hasusedthesystemsaidsalesontablewiththee﹣menu9increasebyabout11percent.Customersoftencallaheadtoreserveplaces10equipwiththescreens.managerEdrytoldreporters. It'smorevisual视觉的saidacustomer.Wecanstillchooseandwecanstillargue﹣butit'smucheasierwhenyoucanallseeit.
生物的遗传信息蕴藏在核酸的碱基排列顺序之中．请回答 1理论上含n个碱基对的DNA具有4n种随机排列序列这些序列填“能”或“不能”皆在生物体内检测到． 2T2噬菌体侵染大肠杆菌后其遗传信息传递过程需利用的酶有答出三种．确保遗传信息准确传递的原因有答出一点． 3遗传信息传递过程中也会出现差错其在进化中的意义是．两种生物的DNA分子进行杂交可形成杂合双链区若形成杂合双链区的部位越多从进化上说明这两种生物的亲缘关系越近原因是．
OnThanksgivingDaythousandsofrunnersgatheredfortheannualmarathon.ItisthelargestholidayraceinCalifornia1folksofallagessizesshapesand2. Thegun3andweallinchedourwayundertheballoonarch拱形物.Runnerspushedfor4elbowingtheirwaythroughthecrowd.Ijust5tomyselfandfeltgoodabouttakingpartintheevent. Beforelongmy6turnedtodepressionasaseven﹣year﹣oldkidpassedbyme.Iwas7awomanwhomustbe10yearsolderthanme.Thesenseof8heatedupandsodidmy9.IforgotthatIalreadyranmanymilesandhad4.2milesleftto10.therunnersaroundmesetmypace. SuddenlyasImadeaturnaninspiringsight11me.Ayoungmanwithoneleg12inthesunwasgongatan13pace.Thementallegwasattachedtohisthigh大腿.Hewas14ofanyonewhopassedhim.Hewasrunninghisown15athisownpace. Isloweddownand16alessonfromtheman'sperformance.Ifinished17thepaininmyknee.Waybehindthesilver﹣hairedlady.Farbehindtheseven﹣year﹣oldkid.Itdoesn't18.Itismyraceatmypace.Anditisagreatdayfortherace. Howmanytimesdoweletotherssetthepace19ourowngoalsourabilities?Howmanytimesdowe20oursuccessorourfailurebywhatothershavedone? 1A.honoring B.influencing C.attracting D.directing 2A.ways B.abilities C.grades D.results 3A.wentby B.wentout C.wentup D.wentoff 4A.water B.time C.position D.condition 5A.smiled B.drank C.lied D.kept 6A.anger B.joy C.sadness D.honesty 7A.knockingdown B.comingacross C.runningpast D.fallingbehind 8A.competitiveness B.justice C.responsibility D.humor 9A.friend B.companion C.balloon D.pace 10A.go B.come C.leave D.start 11A.worried B.pleased C.struck D.satisfied 12A.dropping B.rising C.shining D.kicking 13A.anxious B.curious C.lazy D.afraid 14A.tired B.unaware C.fond D.afraid 15A.business B.risk C.destination D.race 16A.learned B.offered C.finished D.provided 17A.upon B.under C.despite D.for 18A.work B.matter C.fit D.hurry 19A.pursuing B.ignoring C.reaching D.setting 20A.judge B.achieve C.miss D.forget
6分ThehottestTVdramainChina﹣NirvanainFireorLangyaBanghasjustended.Millionsofpeoplewaitedeverydayaftermidnightforthelatesttwoepisodes.Areyouoneofthem?Whatisthestoryabout?Whytheshowissopopular? NirvanainFireisbasedonanInternetnovelbyauthorHaiYanwhowasinvitedtopenthescreenplayforthetelevisionadaptation.The55﹣episodeseriessetinafictionalizedkingdomweavestogethertwostorylines﹣oneaboutabetrayedgeneral'srevengeandtheotheraboutprincesfightingforthethrone. TheserieswasputonscreenonSep.19thandthenumberofInternetviewsexceeded140milliontimesthenextday.OnlyduringtheweekofNationalholidaythenumberincreasedby1.6billion. It'snowthehottestChineseTVshowwithaveryhighscoreof9.3onDouban.TheclassicalTVdramaJourneytotheWestproducedin1986iswiththesamescore.PreviousandrecentcostumedramassuchasTheJourneyofFlowerandYunZhongGeonlyscored6.4and3.5. DrawingcomparisonstoTheCountofMonteCristothestoryrevolvesaroundagiftedyoungmannamedLinShuwhosefatherservesasageneral.Alreadyahigh﹣rankingmilitaryofficerbyhisteenageryearsLinShuenjoyedaclosefriendshipwithPrinceXiaoJingyanandwasevenengagedtoPrincessNihuang. Atage17howeverLinShu'slifeturnedupsidedownwhenhisfather'sarmywasframedanddestroyedbyafoxypoliticalrival.LinShuescapeddeathbutduetothepoisoninghisbodybecameweakandfrailandhelosthismartialartsabilities.Fromthenonhisfacewaspaleandhisfingersalwaysice﹣cold. AftertwelveyearsLinShureturnedtohiscountry'scapitalwithanewnameMeiChangsuandanewidentitytheleaderoftheJiangZuoAlliance.HethenbecamethestrategicadviserforhisfriendPrinceJingyanwhohadbeenexiled流放bytheking.DespitetheeffortsofPrinceXiaoJinghengandthecrownprincetowinthethroneforthemselvesMeiChangsusucceedsinpavingtheroadforhisfriendtotakeoveraskingaswellastheavengingtheinjusticesdealttohistroopsmanyyearsbefore. 1Whichofthefollowingistrue? A.LinShuchangedhisfaceandnameinordertotakerevenge. B.LinShuandthecrownprincewerechildhoodfriendsandLinhelpedhimtobetheking. C.NirvanainFirewassetinarealkingdominhistory. D.NirvanainFiresharesthesamescorewithJourneytotheWestonDouban. 2Whatistheunderlinedwordmean? A.madeafalsecharge B.takenadvantageof C.defeated D.gotrideof 3Whatismorelikelytotalkaboutinthefollowingparagraph? A.Howdidtheprincefightforthethrone? B.WherewasNirvanainFireshot? C.WhydidNirvanainFireenjoysuchpopularity? D.WhathappenedtoMeiChangshuafterhesucceededintakingtherevenge?
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号Λ并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下画一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Moreandmorepeoplearewillingtoenterwordsviaakeyboardoncomputersandmobilephones.Itseemsthatwritingbyhandisnowignoring.InordertoraiseawareofhandwritingwewillholdahandwritingexhibitioninthehallnextFriday.EveryonewhowantstotakeinpartshouldbringatleastoneworkthatcouldbeproverbsorfamousquotationswritteninapenorChinesebrush. Asweallknowstudentscandevelopthecharacteristicofbeingcarefullybyhandwriting.Asresulttheywilldootherthingscarefullytoo.Theycanalsocontrolthemandimprovetheirpatient.Writingisakindofartandability.Solearninghowtowritebeautifullyisveryimportant.IhopeeveryonecouldjoinusandI'msureyou'llsomethingformthisactivity.
沙蚕是养殖业的重要饪料生物具有较强的生长和再生能力将幼年沙蚕后部体节切去沙蚕能重新长出体节．请根据如表的实验及实验结果回答 1沙蚕体节的生长再生与时期脑神经节有关． 2幼年沙蚕的脑神经节能沙蚕的性成熟． 3实验表明幼年脑神经节分泌某种物质控制沙蚕的再生与性成熟这属于调节方式随着沙蚕的生长该物质分泌量逐渐．
Oyster WhatisanOystercard? OysteristheeasiestwaytopayforjourneysonthebusTube地铁tramDocklandsLightRailwayDLRLondonOvergroundandNationalRailjourneysinLondonYoucanstoreyourtravelcardsBus&TramPassseasonticketsandcredittopayforjourneysasyougo. WheretogetanOystercard? ThereareanumberofwaysforyoutogetanOystercard •Atover3900OysterTicketstops •AtTubeandLondonOvergroundstationticketoffices •AtsomeNationalRailstations •AtLondonTravelinformationCentres •Onlineattfl.gov.UK/Oyster HowtouseanOystercard? TopaythecorrectfareontheTubeDLRLondonOvergroundandNationalRailservicesyoumustalwaystouchinontheyellowOystercardreaderatthestartofyourjourneyandtouchoutattheend.Ifyoudon'tamaximumcashOysterfarewillbecharged.Whenusingthebusortramyoumustonlytouchinatthestartbutnotattheendofyourjourney. WhathappensifIdon'tvisitLondonveryoften? Don'tworry.Anypayasyougocreditonyourcardwillnotexpire过期soyoucankeepitforyournextvisitorlendittoafriend. Fares TravelingbyTubefromCentralLondonZoneltoHeathrowZone6 AdultOystersinglefare £4.20MondaytoFriday0630﹣0930and1600﹣1900 £2.70atallothertimesincludingpublicholidays Adultsinglecashfare£5.00 Forfurtherinformationvisittfl.gov.uk/fares. 1YoucangetanOystercardatthefollowingplacesEXCEPT A.onthewebsite B.atanOysterTicketstop Catapostoffice D.ataTubestation 2WhichofthefollowingisTRUEaboutOystercards? A.Theyarelimitedinusetotheownersthemselves. B.OnNationalRailservicesyoumusttouchthemonthereadertwice. C.Theyarenotsuitableforthosewhodon'tvisitLondonoften. D.OystercardTubefarescostmoreonpublicholidaysthanonweekdays. 3HapersonwithanOystercardtakesthe7o'clockTubefromCentralLondontoHeathrowforaweeknopublicholidayinbetweenheshouldpay. A.£18.90 B.£29.40 C.£21.90 D.£26.40 4Thepassageisprobablytakenfroma. A.magzine B.travelguide C.textbook D.novel
30分Allofuscangiveothersahandaslongaswearewillingtodoso.Actuallytherearesomepeopledoingkindthingsallthetime.SpreadingkindnessonegooddeedatatimeisKarlaGibson'smission.Iwisheveryonecouldjoinme.Therearesomany1thingsgoingonintheworld;ImeaneverydaysaidKarla. Karlahadthe2andsenseofdutyinDecemberof2013.Thesinglemotherofthreesaidshetendedtogetdownaroundtheholidayssoshe3todosomethingtocheerothersup.ShestartedaFacebookpageand4hergooddeedseachdayfromfeedingthehomelesstogivingEastergiftstotheincarcerated囚犯.Shehopedto5others. Wehavetodosomething.Our6canmakeadifferenceinsomeone'sday.You7knowwhensomeonemightbehavingtheirworstdayandthensomethinglikebuyingthemacoffeecanchangetheirwholeattitudeKarla8. Karla'sgreatest9sofarhadtodowithcoffee.OnSeptember27thKarla'sbirthdayshewenttoherlocalStarbucksandgavethe10$127topayforotherpeople'sdrinks.Shesatattheendofthedrive﹣thruholdinga11thatreadHaveagreatday.Sheendedup12about23customers.Itwasreallyfun.Itwas13oneofthebestbirthdaysevershesaid.Herkindnessthatdaydidn'tgo14.Onecouplewassogratefulthattheysurprisedherwithflowersandballoonstoshowtheir15. Karla'sactsofkindnesshavebecomea16affair.Hertwosonsarealways17others.SometimesI'llaskKyle‘Sodidyoudoanythingextranicetoday?'andhe'slike‘Somebody18somethinginthehallwayandIpickeditup'or‘Iheldthedoorforsomeone'thatkindofthingsaidKarla. It'sbecauseofMomthattheboysthinkit's19togiveahandtoothers.Ithinkit'sagreatideaofhers.It'salwaysnicetohelpsomeoneout20theyreallyneeditsaidKarla's15﹣year﹣oldsonChad. 1A.good B.bad C.new D.casual 2A.commitment B.appointment C.preference D.success 3A.managed B.agreed C.hesitated D.decided 4A.did B.mentioned C.shared D.missed 5A.greet B.inspire C.introduce D.remember 6A.kindness B.happiness C.stories D.sadness 7A.still B.often C.never D.even 8A.whispered B.explained C.reported D.replied 9A.surprise B.challenge C.concern D.moment 10A.cashier B.customer C.beggar D.secretary 11A.mark B.sign C.symbol D.flag 12A.payingfor B.pickingup C.payingoff D.pickingout 13A.occasionally B.usually C.probably D.hardly 14A.unoccupied B.unnoticed C.unorganized D.unquestioned 15A.wisdom B.existence C.generosity D.appreciation 16A.society B.love C.holiday D.family 17A.encouraging B.inviting C.helping D.affecting 18A.dropped B.bought C.found D.fell 19A.strange B.lucky C.cool D.funny 20A.after B.though C.unless D.when
前不久你校学生会向高三学生发出倡仪十八岁的生日时请为你们的父母做一件有意义的事.同学们积极响应纷纷表达自己的做法.请根据以下信息以SomethingSpecialForParents用英语写一篇短文.内容包括 1.描述以上有关学生会倡议的信息和同学们的反应. 2.可以适当增加内容 3.不能使用真实姓名和学校名称. SomethingSpecialForParents NotlongagoStudentUnioninourschooladvocatedthat Bestwishes! Yours LiHua
8分ADutchartistanddesignerhascomeupwithadevicewhichhehopeswillgetridofpollutantsfromBeijing'ssmogskiescreatingcleanairforthecity'smask﹣wearingpeople. Anelectromagneticfield电磁场willpullparticles微粒inthesmogtothegroundwheretheycanbeeasilycleaned. It'slikewhenyouhaveaballoonwhichhasstatic静电andyourhairgoestowardit.SamewiththesmogsaysartistDaanRoosegaarde. HisstudiohasreachedanagreementwiththeBeijinggovernmenttotestthetechnologyinoneoftilecapital'sparks. WithitsskiesregularlycoveredbydirtygraysmogBeijingthisweekannouncedaseriesofemergencymeasurestohandletheproblem. Roosegaardesaysanindoormodeldevicehasalreadyprovenitworksandisconfidentthattheresults﹣withthehelpofateamofscientistsandengineers﹣canbereplicatedoutside. BeijingisquiteagoodplacebecausethesmoginBeijingisquitelow.Itliesinavalleysothere'snotsomuchwind.It'sagoodenvironmenttoexplorethiskindofthing. We'llbeabletopurifytheairandthechallengeistogetthetopofthesmogsoyoucanseethesunagain. RoosegaardeacknowledgesthatprojectslikethisareawayofdrawingattentiontotheproblemratherthanapracticalsolutiontoBeijing'sawfulairpollution. Thisisnottherealanswerforsmog.Therealanswerhastodowithcleancarsdifferentindustryanddifferentlifestyles. Howeverhehopestheprojectwillmakeafundamentalstatementbyallowingthecity'speopletorealizethedifferencebetweenbreathingcleanandsmog﹣filledair. 1Thedeviceworksby. A.helpingkeeptheparticlesoutwithmoremasks B.pullingpollutantstothegroundwithanelectromagneticfield C.absorbinghairwithaballoonwithstatic D.creatingcleanairandletitoutintothesky 2Accordingtothepassage. A.theBeijinggovernmenthasagreedtousethetechnologyinBeijing B.theyhaveproventheresultsofthedevicebothindoorsandoutdoors C.theresultsoftheair﹣cleaningdevicecanbeexpectable D.theBeijinggovernmenthasneverdoneanythingtohandletheairpollution 3WhatdoesRoosegaardereallymeanbysayingBeijingisquiteagoodplace……? A.TheairpollutioninBeijingisnotquiteserious. B.TheweatherinBeijingisgoodforforeignerstolivein. C.Beijingisquitefitforusingtheair﹣cleaningdevice. D.ItiseasytogetthetopofthesmoginBeijing. 4RoosegaardeappealstopeopleinBeijingto. A.payattentiontoairpollutionandsolvetheproblemfinally B.inventmoredevicestocleanthesmoginBeijing C.drivemoderncarsandtrydifferentlifestyles D.realizehowseriousthepollutionthey'refacingis
ChinahascaughtupwithJapanasAsia'snumberonenationforproducingtopuniversities. WhileJapan'sUniversityofTokyoisthehighest﹣placedinstitutionintheTimesHigherEducationAsiaUniversityRankings2015thecountryhaslostgroundoverallwiththebalanceofpowernowtiltingtowardsmainlandChina. Japanhas19universitiesintheprestigioustop100downfrom20lastyearand22in2013and15ofthosehaveslippeddownthelistbyanaverageof5.8places.BycontrastmainlandChinanowhas21representativesupfrom18lastyearand15in2013andmanyofthesearerisingupthetableincludingPekingUniversityfourthandTsinghuaUniversityfifthwhichhavebothmovedupaplace.WuhanUniversityhasalsoclimbedanimpressive15placestojoint49th. China'sspecialadministrativeregionsarealsoperformingwellwithallsixofHongKong'srankeduniversitiesinthetop50whileMacauhasmadeitsdebutinthetablewiththeUniversityofMacauenteringinjoint40thplace. GerardPostiglionedirectoroftheWahChingCentreofResearchonEducationinChinaattheUniversityofHongKongsaidthatJapan'sdecliningperformanceisduetoacombinationofalotofinbreeding近亲繁殖atitsuniversitieswhichmeansgraduatesteachingatthesameuniversityatwhichtheystudiedresearchfundingbeingconcentratedatitstop﹣tierinstitutionsandfewerpromotionopportunitiesforyoungacademics. JapaniscarefultomaintaintheleadingedgeofitsverytopuniversitiessuchasTokyoandKyotobuthasbeenlesscommittedthanhasChinatopumpingmoreinvestmentintotheuniversitiesonthenextlevelSimonMarginsonprofessorofinternationalhighereducationattheUCLInstitutesaid. 1AccordingtoHigherEducationAsiaUniversityRankings2015inwhichplaceisTokyoUniversityranked? A.No.1. B.No.2. C.No.3. D.No.4. 2Whatdoestheunderlinedwordprestigiousinthethirdparagraphmean? A.Pleasant. B.Comfortable. C.Well﹣known. D.Luxurious. 3AccordingtoGerardPostiglionehowmanyfactorsresultinJapan'sdecliningperformance? A.2. B.3. C.4. D.5. 4Whatcanwelearnfromthepassage? A.HongKongandMacauhavesixworld﹣famousuniversitiesin2015. B.TheJapanesegovernmentpayslittleattentiontoKyotoUniversity. C.PekingUniversityismuchbetterthanTokyoUniversityineducation. D.Japanhad20universitiesinthewell﹣knowntopintheyearof2014.
蝴蝶兰是一种阴生观赏花卉往往表现出白天气孔关闭傍晚气孔开始开放的现象．如图为夏天不同光照条件下蝴蝶兰净光合速率变化曲线下列说法错误的是
IremembermyfirstChristmasadventurewithGrandma.Iremember1tearacrosstownonmybiketovisitheronthedaymybigsisterdroppedthebomb.ThereisnoSantaClaus.Shelaughed.Evendummies傻瓜knowthat!I2fleetoGrandmabecauseIknewshewouldbestraightwithme.Shealwaystoldthe3true. NoSantaClaus?shesaid.Ridiculous!Don'tbelieve4.Putonyourcoatandlet'sgo.GowhereGrandma?Iasked. 5wewalkedthroughthedoorsofthegeneralstoreGrandmahandedmetendollarsandSaidBuysomethingforsomeone6needsit.I'llwaitforyouinthecar. Iwasonlyeightyearsold.NeverhadIshoppedforanythingallbymyself.ForafewmomentsIjuststoodthere7wonderwhattobuyandwho8buyitfor.IthoughtofeverybodyIknew.ThenIthoughtaboutBobbieDecker. Hewasmyclassmatewithbadbreathand9messhairandhesatrightbehindme.Hedidnothaveacoat.Iknewthatbecauseheneverwentouttoplaygamesduringthewinter.Ifingeredthebillwithgrowing10excite.IwouldbuyBobbieacoat.
Notmanythingsinlifecanbemoreirritatingyouarehavingaconversationwithfriendsbuttheychecktheirphonesandbeginreplyingtotextsorcheckingtheiremails.TheGuardian卫报describedthesceneofafriend'sfaceburiedinascreenasadistinct21st﹣centuryproblem.Anewwordhasbeencreatedtodescribethis﹣﹣﹣phubbing.Itistheactoflookingatyourmobilephoneinsteadofpayingattentiontoothersduringasocialinteraction.Likepointingatone'snosephubbingiswidelyconsideredrudebehavior.Peopleeverywherearebeginningtolosepatiencewiththephenomenon. StopPhubbingcampaigngrouphasbeenstartedinAustraliaandatleastfiveothershavesprungupinitswakeasangeraboutthelackofmannersgrows.Thecampaign'screatorAlexHaigh23fromMelbournesaidAgroupoffriendsandIwerechattingwhensomeoneraisedhowannoyingbeingignoredbypeopleonmobileswas.Hehascreatedawebsitewherecompaniescandownloadposterstodiscouragephubbing. PhubbingisjustonesymptomofourincreasingdependenceonmobilephonesandtheInternetwhichisreplacingnormalsocialinteraction.AsurveyfoundthatoneoutofthreeBritonswouldanswerthephoneinarestaurantand19%saidtheywouldwhilebeingservedinashop.ThesurveycameafterasupermarketassistantinsouthLondonrefusedtoserveawomanuntilshestoppedusingherphone.ApollforaSundaypaperalsofoundthat54percentofpeoplecheckedFacebookTwitterorothersocialmediaeverydaywith16percentcheckingmorethantentimesaday.Anunsurprising63percentofpeoplecarrytheirphonewiththemalmostallorallofthetimeitfound. PhilReedaprofessorofpsychologyatSwanseaUniversitywhohasstudiedtheInternetaddictiondisordersaidmanyphubbersshowsymptomsofaddictiontotheirmobilephones. TimemagazineoncepointedoutPhubbinghasamuchgreaterpotentialharmtoreal﹣lifeconnectionsbymakingpeoplearoundusfeellikewecaremoreaboutpoststhantheirpresence. IntheUKGlamourmagazineevenimaginedhownovelistJaneAusten1775﹣1817wouldhavewrittenaboutpeoplewithbadmobilephonemannersItisatruthuniversallyacknowledgedthatasinglemanorwomaninpossessionofagoodmobilephonemustbeinwantofmanners. 1Phubbinghascomeaboutbecause. A.distrusthasalreadybeeneverywhereamongpeople B.thefriendshipbetweenpeopleisbecomingfragile C.peoplearegettingdependentonattractiononline D.therehasbeenalackofmeansofcommunication 2WhichofthestatementsisTRUEabouttheStopPhubbingcampaign? A.ItwasfirststartedinAmericaandthenitspreadtoMelbourne. B.Companiescanupdatepostersagainstphubbingonthewebsite. C.AlexHaigh23wasthefirstonetofindphubbingannoying. D.Uptillnowatleastsixgroupshaveclaimedtosupportit. 3Thesupermarketassistantrefusedtoservethewomanmainlybecause. A.thewomanburiedherfaceinthemobilephonescreenforaverylongtime B.thewomanignoredrespectandmannersbyfocusingonlyonherphone C.theassistantlosthispatiencewiththewomanwhowasusingherphone D.itisrareforcustomerstoanswerthephonewhilebeingservedinshops 4Inthelastparagraphthewriterwantstotellreadersthat. A.onewithamobilephoneshouldmindhis/hermanners B.JaneAustenmusthaveworkedforGlamourmagazine C.phubbingisgoingtobeforbiddenimmediatelyintheUK D.peoplewithgoodmannersmusthavegoodmobilephones
TuYouyouan84﹣year﹣oldfemalescientistbecamethefirstChinesecitizentowinaNobelPrizeinscienceonOct52015. TuaresearcherattheChinaAcademyofTraditionalChineseMedicinesharedthe2015NobelPrizeforMedicinewithIrish﹣bornWilliamCampbellandSatoshiOmuraofJapanforunlockingrevolutionarytreatmentsforparasitic寄生虫diseases.CampbellandOmurawerehonoredfortheiranti﹣roundwormtreatmentwhileTucameupwithanewdrugformalaria疟疾. Tuconductedresearchinthe1970sthattriggeredtothediscoveryofartemisinin青蒿素adrugthathasconsiderablycutthenumberofmalariadeathsandsavedmillionsoflives.ThetreatmentisbasedonanherbusedinChinesetraditionalmedicinecalledsweetwormwood.Artemisinin﹣baseddrugsarenowthestandardtreatmentformalaria. WhennewsbrokethatTuwasbeingawardedtheprizetherewerecheersaswellasdoubts.SomesaidtheachievementwastheresultofcollectiveeffortsbylotsofChinesescientistssoitisunfairtoawardtheprizeonlytoTuChinaYouthDailyreported. ButWesternawardstendtohonorindividualscientistswhoarethefirsttocomeupwithanewideaormethodsaidLiSienzhenaresearcherwiththeChinaAcademyofSciences.TheWestbelievesthattheadvancementofscienceoriginatesfromindividuals'creativemindssaidLi. Tugottheawardfortherefirsts.ShewasthefirsttobringartemisinistoherprojectteamthefirsttoextractaformofartemisininthatcanaltogetherinhibitmalariaandthefirsttocompleteaclinicaltrialaccordingtoZhangBolidirectoroftheChinaAcademyofChineseMedicalSciences. AwardingprizestoscientistswithcreativeidesisthesourceofnationalinnovationLisuggested.Thekeyistocreatefairrulestofindthemostconvincingcandidate. 1Howmanyscientistsgotthe2015NobelPrizeinmedicine? A.One B.Two C.Three D.Four 2WhichofthefollowingstatementsaboutTuYouyouistrue? A.SheisthefirstChinesecitizentowinaNobelPrize B.Shegotthe2015NobelPrizewithoutanydoubts C.Shewasnotthefirsttoextractaformofartemisinin D.Shecameupwithanewdrugformalariaartemisinin 3WhatdoesWesternawardstendtohonor? A.Hardworking B.Creativeminds C.Teamwork D.Collectiveefforts
科研人员利用腐烂的水果筛选产果胶酶的细菌并对果胶酶进行分离纯化请回答 1通过以为唯一碳源的选择培养基筛选出可降解果胶的细菌．观察筛选菌株的菌落的回答两点等特征进行物种鉴定由于野生细菌自身产酶能力有限可通过回答两点等育种方式得到酶活力较高的优良菌株． 2将含有高产果胶酶的分解菌培养液进行适度离心后即为产果胶酶菌株发酵产生的粗酶液．经初步纯化后可通过凝胶色谱法进一步去除杂蛋白在层析柱中相对分子质量较大的蛋白质移动速度填“较快”或“较慢”． 3将纯化后的果胶酶固定化用于果汁工业生产与游离酶相比具有的优点是回答两点．
Doyoubelievefatecanbringtogetherpeoplewhoarefarapart?Hereisatruestory. Asheposedforaholidayphotoonthebeachsix﹣year﹣oldNickWheelerpaidnoattentiontothelittlegirl1makesandcastlesafewyardsaway.Itwasonlywhenheshowedhisfiancee未婚妻AimeeMaidenthephoto20yearslaterthatshepointedat2five﹣year﹣oldinaswimsuitandcried3surpriseThat'sme! 4thepicturewastakenin1994thepairlivedhundredsofmilesapartyetfatedeterminedthatthey5meetandfallinloveatsixth﹣formcollege11yearslater.AftertheircollegeyearsMr.Wheelerjoinedthearmy6MissMaidentrainedasateacher. Theymovedintogetherthreeyearsagoandgotengagedlastyear.Theyhostedapartywheretheyshowedoffthephoto7theirfriendsandfamily.ThecouplemarriedonSaturdayatGulvalChurchinMousehole20years8thephotowastakenandjusta9minutewalkfromthesamespot. TheyareheadingtoFloridafor10honeymoonandplantoframethetreasured.
Bookcrossing.Com是一个面向全球的图书分享网站.该网站组织的分享活动有两种参与方式一是自由分享wildrelease即把书放在指定地点由其他参与者自由获取二是定向分享controlledrelease即直接传递给另一位参与者.假设你是李华请用英文写信申请参加.内容应包括 1.表明写信目的 2.选择一种分享方式并简述做出该选择的理由 3.希望了解更多信息. 注意词数100～120书信格式已给出不计入总词数. DearSir/Madam Yours LiHua.
NatKingColewasborninthesoutherncityofMontgomeryAlabamain1919.HisparentsnamedhimNathanielAdamsColes.WhenNathanielwasfouryearsoldhisparentsmovedthefamilynorthtoChicago.Natlearnedtoplaythepianowhenhewasveryyoung.Hismotherwastheonlypianoteacherheeverhad.Hegavehisfirstpublicperformancewhenhewasfour.BythetimehewastwelveNatwasplayingthepianoathisfather'schurch. NatplayedthepianoinNewYorkCityandinLosAngeleswhenhewasayoungman.In1937heformedagroupthatplayedjazzmusic.ThegroupreportedlydidnotneedadrummerbecauseNat'spianoplayingkeptthebeatsowell.TheynamedthebandTheKingColeTrio.AtthesametimeNatalsochangedhisnameintoNatKingCole. Thebandsoonbecameverypopular.Natsangsomesongsbutmostlyplayedthepiano.Bythemiddleof1940hewasbeginningtobeknownasapopularsingeraswellasajazzpianoplayer.HewasoneofthefirstmusicianstorecordwiththenewrecordcompanyCapitolRecords. ThefirstsongherecordedforCapitolwasStraightenUpandFlyRightwhichbecameoneofthebiggesthitsof1943. Natrecordedhundredsofsongs.SomeofthemostpopularincludeSweetLorraineNatureBoyandMonaLisawhichmadehimfamousasasinger.By1956hewasknowninternationally.NatwasthefirstblackmantohavehisowntelevisionshowTheNatKingColeShowwhichbeganonNBCTelevisionin1965. NatKingColealwayssmokedalotofcigarettes.Hediedoflungcancerin1965whenhewasonlyforty﹣fiveyearsold.Hereceivedmanyawardsduringhislife.Healsoreceivedmanymoreafterhisdeath.Onewasa1990GrammyAwardforlifetimeachievement. 1FromthefirstparagraphwecanlearnthatNathaniel. A.wasnamedNatKingColebyhisparents B.studiedhowtoplaythepianofromhisteacher C.gavehisfirstpublicperformancein1923 D.wasborninthenorthofChicago 2WhendidNathanielAdamsColeschangehisnameintoNatKingCole? A.In1937. B.In1935. C.In1930. D.In1927 3What'stherightorderofthefollowingevents? ①NatgotaGrammyAward. ②Natbecameinternationallyknown. ③NatfoundedthebrandTheKingColeTrio. ④NatrecordedthesongStraightenUpandFlyRight. A.②①③④ B.②③④① C.③②④① D.③④②① 4Whatcanweinferfromthepassage? A.StraightenUpandFlyRightwasthebiggesthitof1943. B.NatKingColewasmostprobablyaheavysmoker. C.NatKingColewasverygoodatplayingthedrum. D.TheGrammyAwardwasfoundedinthemiddleof1940
Oneuponatimetherewasamillionairewhoarebotheredbysevereeyepain.Heaskedmanyphysiciansfortheir1andreceivedalotoftreatment.Butunfortunatelyitdidn't2.Themillionairewasso3andstrong﹣willedthatheneverstopped4medicalexperts.Althoughheconsumedheavy5ofdrugsandwasgivenhundredsofinjectionstheachestilldidn'tdisappear.Intheendamonkwhowas6tobeanexpertintreatingsuchpatientswas7bythemillionaire. Themonk8hisproblemandsaidthatheshouldconcentrateonlyonthecolor9forsometimeanddidn'tfallhiseyesonanyothercolors.Themillionairegot10agroupofpainterspurchasedbarrelsofgreencolorandorderedthateveryobjecthiseyewaslikelytofallonshouldbepaintedinthecolorgreenjustasthemonkhad11. Whenthemonkcametovisithimafterafewdaysthemillionaire's12ranwithbucketsofgreenpaintsand13onhim.Themonkfelt14surprised.Andhewastoldthatthereasonwasthathewasinreddress.Theservantsdidso15theirmasterwouldseeanyothercolorandhiseyeachewould16. 17hearingwhathadhappenedthemonklaughedandsaidIfonlyyouhadpurchasedapairofgreenglassesworthjustafewrupees卢比youcouldhavesavedthesewallsandtreesandpotsandallotherarticlesandalsocouldhavesavedalarge18ofyourfortune. Youcannotpainttheworldgreen.Letuschangeour19andtheworldwillappearasweexpect.Itis20toshapetheworldsoletusshapeourselvesfirst. 1A.ambitions B.motivations C.spirits D.opinions 2A.decreased B.work C.reduced D.adopted 3A.determined B.isolated C.embarrassed D.depressed 4A.discovering B.consulting C.affecting D.disturbing 5A.pills B.effects C.loads D.functions 6A.about B.likely C.supposed D.due 7A.calledin B.broughtup C.putforward D.takenon 8A.puzzled B.understood C.confused D.wondered 9A.red B.blue C.yellow D.green 10A.away B.tough C.together D.back 11A.directed B.fulfilled C.concluded D.predicted 12A.servants B.touched C.relied D.visitors 13A.patted B.guests C.children D.poured 14A.punctually B.fiercely C.extremely D.unexpectedly 15A.aslongas B.onconditionthat C.asfaras D.forfearthat 16A.brokeout B.comeback C.gatheredaround D.tookup 17A.On B.Under C.With D.Beyond 18A.set B.average C.share D.standard 19A.attitude B.behavior C.manner D.vision 20A.wise B.foolish C.active D.positive
Oyster WhatisanOystercard? OysteristheeasiestwaytopayforjourneysonthebusTube地铁tramDocklandsLightRailwayDLRLondonOvergroundandNationalRailjourneysinLondonYoucanstoreyourtravelcardsBus&TramPassseasonticketsandcredittopayforjourneysasyougo. WheretogetanOystercard? ThereareanumberofwaysforyoutogetanOystercard •Atover3900OysterTicketstops •AtTubeandLondonOvergroundstationticketoffices •AtsomeNationalRailstations •AtLondonTravelinformationCentres •Onlineattfl.gov.UK/Oyster HowtouseanOystercard? TopaythecorrectfareontheTubeDLRLondonOvergroundandNationalRailservicesyoumustalwaystouchinontheyellowOystercardreaderatthestartofyourjourneyandtouchoutattheend.Ifyoudon'tamaximumcashOysterfarewillbecharged.Whenusingthebusortramyoumustonlytouchinatthestartbutnotattheendofyourjourney. WhathappensifIdon'tvisitLondonveryoften? Don'tworry.Anypayasyougocreditonyourcardwillnotexpire过期soyoucankeepitforyournextvisitorlendittoafriend. Fares TravelingbyTubefromCentralLondonZoneltoHeathrowZone6 AdultOystersinglefare £4.20MondaytoFriday0630﹣0930and1600﹣1900 £2.70atallothertimesincludingpublicholidays Adultsinglecashfare£5.00 Forfurtherinformationvisittfl.gov.uk/fares. 1YoucangetanOystercardatthefollowingplacesEXCEPT A.onthewebsite B.atanOysterTicketstop Catapostoffice D.ataTubestation 2WhichofthefollowingisTRUEaboutOystercards? A.Theyarelimitedinusetotheownersthemselves. B.OnNationalRailservicesyoumusttouchthemonthereadertwice. C.Theyarenotsuitableforthosewhodon'tvisitLondonoften. D.OystercardTubefarescostmoreonpublicholidaysthanonweekdays. 3HapersonwithanOystercardtakesthe7o'clockTubefromCentralLondontoHeathrowforaweeknopublicholidayinbetweenheshouldpay. A.£18.90 B.£29.40 C.£21.90 D.£26.40 4Thepassageisprobablytakenfroma. A.magzine B.travelguide C.textbook D.novel
Sleepissomethingwealldo.Butsomepeopleneedtosleepmorethanothers.Babiessleepmostofthetime.Childreninschoolsleepabouttentotwelvehoursanight.Mostadultssleeponlysevenoreighthours.1 Allpartsofourbodieshavetorestaftertheywork..OurarmsneedarestafterweliftheavythingWhenwerunfastourlegsworkhard.Theygettired.Wehavetorestthem.Ourbrainsworkhardtoo.2.Wecansitquitestillandrestourarmsandlegs.Butourbrainsaren'tresting.Theygorightonthinkingaslongasweareawake. Ourbrainsslowdownabitwhenwesleepanddream.3Insteadofthinkingwide﹣awakethoughtsourbrainsmakeupdreams.Somedreamsareverypleasing.Somearenot.Mostofthetimeweforgetthemwhenwewakeup. Scientistshavetriedtofindoutwhatwouldhappenifpeoplewerenotallowedtosleep.Theyaskedsomepeoplenottogotobed.Thepeoplestayedupallnightandallthenextday.Theystayedupthenextnighttooandthedayafter.Theyplayedgamesbuttheymademistakes.Theyforgotthings.4Thepeoplegrewrudeandmean.Theybecameangrywiththeirfriends.Finallytheyweretootiredtostandup.Whentheysatdowntheyfellasleep. Scientistshavefoundthatifpeoplearenotallowedtosleepandtodreamtheyactinanunusualway.5Butwedoknowthatweneedittostaywell.Sotonighthaveagoodsleep.Liedownunderthecovers.Shutyoureyes.Letyourthoughtswander.Soonyou'llstopthinking.You'llbeasleep. A.Itwashardfortheirtiredbrainstowork. B.Whenweareawaketheyhelpuspayattentiontotheworldaroundus C.Butbabieschildrenandadults﹣﹣﹣﹣allofusneedtohaveoursleep D.Goodsleephelpstoimproveone'smemory E.Nooneknowswhysleepissogoodforus F.Butevenaswesleepourbrainsaredoingsomework G.Ofcourseyouwillhaveagoodsleep
Investinginyourself Figuringouthowtoinvestyourmoneycanbeadifficulttask.Thisissomethingthatyouwillwanttolearnhowtodo. 1Thingsthatwillimproveyourknowledgeskillsorhealthareallgreatinvestments.Howeverbeforeyoustartyouneedtobeclearaboutwhatyouwillgainoutofdoingallofthesethings. Youmaythinkinvestinginyourselfmeansinvestinginyoureducation.2.Therearesomeotherthingsyoucandoaswellasbuyingagymmembershiporlearninganewskill. Sowhataresomespecificthingsyoucando?3.Readingbookscanreallyexpandyourmindandallowyoutolearndifferentskillsandgainknowledge.I'mtalkingaboutthebookswhereyouwillactuallylearnanewskillnotfictionbooks. Youcanalsotakecoursesandattendseminars.Theseprogramsaretaughtbypeoplewithahighlevelofknowledgeorskill.4.Onlyinthiswaycanyouavoidbeingfooledbysomesalespresentation. Moreoverinvestinginyourselfisasafewaytokeepyourmoney.Althoughasavingsaccountisseenasthemostsecureinvestmentthatisn't100%safe.Evenifyouneverexperienceyourbankclosingdownthereturnislittlewheninflation通货膨胀istakenintoconsideration.5.Butovertimetheywillshowupintermsofyourhappinesslevelaswellasyourlevelofsuccess. A.Thisisjustoneway. B.Thebenefitswillstaywithyou. C.Ifyouaren'tareaderyoushouldstartwiththat. D.Themoreyoudothisthemorevaluableyouwillbe. E.Ofcourseyouneedtodosomeresearchbeforeinvesting. F.Thebestwaytoinvestyourmoneyistoinvestitinyourself. G.Whenyouinvestinyourselfyoumaynotseegainsrightaway.
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