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若点A(t,0)与曲线y=ex上点P的距离的最小值为2,则实数t的值为( )
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高二下学期数学《》真题及答案
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椭圆C.的中心为坐标原点O.焦点在x轴上离心率且椭圆过点201求椭圆方程2求圆上的点到椭圆C.上点的
若点At0与曲线y=ex上点P的距离的最小值为2则实数t的值为
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在△OAB中已知O.00A.80B.06△OAB的内切圆的方程为x-22+y-22=4P.是圆上一点
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)t= ,s的最小值为 (
)t= ,s的最小值为 (
)t= ,s的最小值为 (
)t= ,s的最小值为
在直角坐标系xOy中以原点O.为极点x轴的正半轴为极轴建立极坐标系.若P.点为直线ρcosθ-ρsi
2012年高考湖南卷理科21本小题满分13分在直角坐标系xOy中曲线C1的点均在C2x-52+y2=
若点At0与曲线y=ex上点P的距离的最小值为2则实数t的值为
4﹣
4﹣
3+
3+
对于平面直角坐标系元xOy中的图形M.N.给出如下定义:P为图形M.上任意一点Q.为图形N.上任意一
已知点P.是曲线y=x2-lnx上的一个动点则点P.到直线ly=x-2的距离的最小值为_______
已知点A.-30B.30动点P.满足|PA|=2|PB|.1若点P.的轨迹为曲线C.求此曲线的方程2
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假如你是李华.最近美国笔友Peter发来电子邮件说他在汉语学习中遇到了困难感到非常着急.请根据下面的写作提纲给他回复一封电子邮件.内容包括 1同情他的处境2给他提出几点建议3希望他情况好转. 注意1.可以适当增加细节以使行文连贯2.词数100左右. 3.开头和结尾已给出不计入总词数 DearPeter LearningthatyouarehavingahardtimelearningChineseI'mwriting… Sincerelyyours LiHua
WhenIwasthreeyearsoldmyparentsdiscoveredIwastotallydeaf.Afterdiscussingwithdoctorstheymadeadecisiontosendmetoa1school. Iexperiencedgreat2throughoutelementaryschoolbecauseI3withmostofmyschoolworkinorderthatIcouldkeepup.Becauseofmy4IhadtoconstantlyaskeveryoneWhatdidhe/shesay?Classmatesarewarmhearted.5Iworriedthateveryonewouldsoon6repeatingeverythingbacktome.OftenIwasafraidmyclassmateswouldmakefunofmesoI7answeredanyteacher'squestion. Mrs.Jordanmy5thgradeteacherchangedmy8withasimplethreewordphrase.Onemorningsheaskedtheclassaquestion.Ireadherlipsandimmediatelyraisedmyhand.YetIdaren't9it﹣thistimeIknewtheanswer.WhenshecalledonmeIwasnervous.Despitemy10IfeltconfidentbecauseIwas11thatIhadtherightanswer.Itookadeepbreathand12answeredMrs.Jordan'squestion. Iwillnever13whathappenednext.Her14surprisedallofus.Mrs.Jordanenthusiasticallyhitthefloorwithherrightfootandranherrightfingerinafullcircleuntilitpointeddirectlyatme.Withsparkling闪闪发光的eyesandawidesmileshe15THAT'SRIGHTSTEPHEN! ForthefirsttimeinmyyounglifeIwasaninstantstar.Mypride16inmyheart.My17roselikeneverbefore.Asimplethreewordphrasedeliveredwith18enthusiasmhadtotallychangedmyyounglife. Fromthatdaymygrades19dramatically.My20amongmypeersincreasedandmyoutlookonlifedidacompleteturnabout. 1A.boarding B.normal C.special D.medical 2A.gratitude B.discrimination C.anxiety D.indifference 3A.struggled B.dealt C.trembled D.reacted 4A.curiosity B.bravery C.courage D.disability 5A.Therefore B.besides C.However D.Otherwise 6A.gettiredof B.getshyof C.getashamedof D.getskilfulat 7A.briefly B.eagerly C.narrowly D.rarely 8A.belief B.situation C.environment D.decision 9A.deny B.bear C.judge D.believe 10A.fears B.annoyance C.disadvantage D.embarrassment 11A.astonished B.pleased C.convinced D.excited 12A.nervously B.gladly C.simply D.respectfully 13A.meet B.forget C.expect D.doubt 14A.response B.answer C.abuse D.expression 15A.admitted B.nodded C.cried D.explained 16A.disappeared B.continued C.ended D.burst 17A.honesty B.satisfaction C.firmness D.confidence 18A.innocent B.little C.incredible D.natural 19A.improved B.dropped C.influenced D.slid 20A.strength B.popularity C.honor D.appreciation
StephenWiltshireisafamousartist.Hisdrawings﹣oftendrawnfrommemoryandatgreatspeed﹣aresketched素描onthespotatstreetlevel. StephenwhowasborninLondonin1974didn'tsayawordasasmallchildandfoundithardtorelatetootherpeople.AttheageoffiveStephenwassenttoQueensmillSchoolLondonwhereitsoonbecameapparentthathecommunicatedthroughthelanguageofdrawing.Histeachersencouragedhimtospeakbytakingawayhisartmaterialsforashorttimeeventuallyhesaidhisfirstwords﹣paperandpencil﹣butdidn'tlearntospeakfullyuntiltheageofnine. Stephenloveddrawingandhewasseldomtobefoundwithoutpenandpaper.Oncehetookpartinartcompetitionsnewsofhisgreattalentbegantospread.EarlyfansincludedthelatePrimeMinisterEdwardHeathwhoboughthisdrawingofSalisburyCathedralmadewhenStephenwasjusteight. ButStephencametowiderpublicattentionwhentheBBCfeaturedhimintheprogrammeTheFoolishWiseOnesin1987whenhewasintroducedbySirHughCassonapastpresidentoftheRoyalAcademyasthebestchildartistinBritain. AfterthatStephen'sreputationgrewworldwide.AsecondBBCdocumentaryin2001showedStephenflyingoverLondoninahelicopterandlatercompletingadetaileddrawingofLondonwithinthreehourswhichincluded12historiclandmarks地标性建筑and200otherstructures. In2006StephenwasrecognisedforhisservicestotheartworldwhenhewasmadeamemberoftheOrderoftheBritishEmpire.TodaywhereverStephengoespeopleareattractedbyhisoutstandingtalent. 1WhatproblemdidStephenhavewhenhewasasmallchild? A.Noschoolswantedhim. B.Noteacherslikedhim. C.Hecouldn'tspeak. D.Hecouldn'tspell. 2WhendidStephenbecomeworldfamous? A.AfterhissecondBBCdocumentary. B.AftertheprogrammeTheFoolishWiseOnes. C.AfterhemetwiththelatePrimeMinisterEdwardHeath. D.AfterSirHughCassonboughthisdrawingofSalisburyCathedral. 3WhatisspecialaboutStephen'sdrawingofLondon? A.Itwashisgreatestwork. B.Itwasdrawninahelicopter. C.Itfeaturedhistoriclandmarks. D.Itwasfinishedinashorttime. 4Thetextislikelytoappearin. A.anovel B.abiography C.anofficialreport D.ahistorypaper
VisitChicagoChildren'sMuseum Inbrief Thismuseumoffersplentyoffunhands﹣onactivitiesforkids.HoweverthisisoneofthefewChicagomuseumsnotfunforthewholefamilyasadultsandolderkidswillbeboredtotears. Address700EastGrandAve.NavyPierChicago Phone312﹣527﹣1000 Publictransportation CTAbuslines#29StateStreet#65GrandAvenueand#66ChicagoAvenueallserveNavyPier. Parkingfees •MondaythroughThursday﹩20 •FridaythroughSunday﹩24 •Holidays24 Openinghours •Weekdays10am﹣5pm •Weekends10am﹣8pm Entrancefees •Adults﹩12 •Children﹩12 •Seniors65+﹩11 •Childrenunder5free Activities LocatedatoneofChicago'stoptouristattractionsNavyPierthemuseumoffersthreefloorsofactivitiesforkidsincluding •PlayItSafe﹣﹣allabouthomesafety •InventingLab﹣﹣providespartsandinstructionsforcreatingthings •KidsTown﹣﹣aplayroomrecreatingaChicagoneighborhoodwherekidscanpretendtodothingslikeshoppingforgroceriesanddrivingaCTAbus •ClimbingSchooner﹣﹣athree﹣floorclimbingbuilding •MyMuseum﹣﹣kidsgettocreatevariouspiecesofartthatareallaboutme •Skyline﹣﹣kidslearnaboutskyscrapersanddesigntheirownbuildings •TreeHouseTrails﹣﹣aplayareadesignedlikeaforest •Waterways﹣﹣wateractivitiesshowinghowpumpsanddamswork 1HowmuchwillJohn10hisparents40andsister6payiftheydrivetothemuseumat2pmonMonday? A.﹩36. B.﹩48. C.﹩56. D.﹩68. 2Kidswhoarefondofcreatingworksofartshouldchoose. A.PlayItSafe B.InventingLab C.MyMuseum D.Skyline 3IfyougotoKidsTownyoucan. A.goonashorttriptoaforest B.buysomegiftsforyourfriends C.knowmoreaboutpumpsanddams D.experienceChicagoneighborhoodlife 4WhatcanweknowaboutChicagoChildren'sMuseum? A.Itisathree﹣floorbuilding. B.Itisnotfitforadultsorolderkids. C.ItisthemostpopularmuseuminChicago. D.ItisoneofChicago'stoptouristattractions.
Manylittlekidsdreamofchangingtheworldbuthowdoessomeoneso1makeadifferencetoaplacesobig?This5﹣year﹣oldboyfromtheUKmayhavefounda2. TobyLittleisreachingouttoeverycountrythroughletters.He's3tocontactatleastonepersonfromeachcountry﹣andgeta4.Toby'smission使命beganwitha5assignmentfromschool.HismotherSabineLittlesaid HewasaskedtoreadabookcalledALettertoNewZealandwhich6thejourneyalettertakes.7readingitheaskedMummycanIwritealettertoNewZealand?AndwhileIwasstilltryingto8howtoanswerthathesaidCanIwritealettertothe9world?Atfirstshethoughthis10fortheprojectwould11but239letterslaterTobyisstillgoingstrong.12he'swrittento187countriesandheardbackfrommanyofhiscontacts.ButToby'sprojectwon't13there.The5﹣year﹣oldalsowantstofindawaytohelpthepeoplehe's14with. Whenwestartedwritingletterswe15witheasilyaccessiblefirst﹣worldcountrieshismotheradded.Suddenlywegotan16forSomalia.WhenweresearchedthecountryTobywas17andaskedwhathecoulddotohelp.Togetherwe18acharitywhoseworkwasaccessibletochildren. TobychoseShelterBoxacharitythatprovidesforfamiliesandchildrenwhohave19everythingduetodisasters.JusttodayTobymethis20ofraising﹩950.IwanttheworldtobeabetterplaceTobysaid. 1A.noisy B.small C.lovely D.clever 2A.way B.skill C.friend D.partner 3A.careful B.proud C.satisfied D.determined 4A.result B.story C.permit D.response 5A.reading B.writing C.listening D.speaking 6A.begins B.explains C.describes D.completes 7A.Until B.After C.Before D.Despite 8A.show B.understand C.figureout D.preparefor 9A.free B.new C.other D.whole 10A.support B.concern C.enthusiasm D.sympathy 11A.fade B.spread C.return D.develop 12A.Afterall B.Sofar C.However D.Therefore 13A.end B.pass C.apply D.expand 14A.played B.stayed C.connected D.competed 15A.worked B.negotiated C.kickedoff D.caughtup 16A.idea B.deal C.question D.address 17A.sad B.excited C.happy D.scared 18A.setup B.lookedfor C.headedfor D.droppedinto 19A.requested B.provided C.recorded D.lost 20A.standard B.goal C.challenge D.match
Whatcanmakeyouhappy?Aniceholidayonbeach?Maybeabigmealwithfriendsatanexpensiverestaurant?Orpossiblyspendingmoneyonapairofthelatestdesignerjeans?Allthesepleasurescostmoney.Sodoesthatmeanweneedlotsofcashtofeelgoodordoestheoldsayingmoneycan'tbuyhappinessstillprovetrue? ThissayinghasbeenputtothetestbyresearchersinCanada.Theyfoundthatwhenusedintherightwaymoneycanbringushappiness.Theydiscoveredthatwhenyouusemoneytofreeuptimebypayingsomeonetodoyourworkyouarehappier.Inanexperimentpeoplereportedhigherlifesatisfactioniftheyusedmoneytosavetimeratherthanspenditonmaterialgoodssuchasanewpairofshoes.Butsurprisinglytheresearchersfoundthatonlylessthanathirdofpeopleusedtheirmoneytobuytimeeachmonth. Inourbusylivesweareshortoftime.Peoplegetstressedoverthedailydemandsontheirtime.Psychologistssaythatstressoverlackoftimecauseslowerhappinessandcontributestoanxietyandsleeplessness.Butasincomesarerisingthereisachoicetobuytime. Thiscanbethroughhiringacleanertocleanyourhouse﹣﹣﹣givingusvaluableextrahourstodothethingswewanttodo.Andinmanyforward﹣thinkingcompaniesemployeesaregiventhechancetobuymoretimeoffworkorworkflexibly. Ineverdoubtthatbuyingmoretimemakesmefeelhappierandmorerelaxed.Butputtingtimeinthefirstplaceoverputtingmoneydoescomeataprice.Sometimesthetruthisthatyouhavelesscashtospendonthethingsyounowhavetimetodo.Thenyoumaythinkabouthowtomakeadecision. 1Howdoestheauthormainlyintroducethetopicofthetext? A.Bytellingastory. B.Byusingimagination. C.Byofferingexamples. D.Byraisingquestions. 2WhatisashockinanexperimentcarriedoutbyresearchersinCanada? A.Mostpeoplehadmuchhigherlifesatisfaction. B.Moneycouldbringrealhappinesstopeople. C.Notsomanypeoplespentmoneybuyingtime. D.Moremoneywasspentonmaterialgoods. 3Whatdoestheauthorsuggestpeopledoaboutbuyingtimeatlast? A.Shareitsbenefitswithothers. B.Consideritbeforedeciding. C.Carryitouttogainhappiness. D.Giveitupwhenlackingmoney. 4What'sthebesttitleforthetext? A.CanMoneyMakeUsHappy? B.TimeValuesMoreThanMoney. C.HappinessComesFirstinOurLife. D.ShouldWeSpendMoneyonTime?
每年的10月31日是联合国确定的世界勤俭日.假设你是李华你最近给你在美国的朋友Mike的一封e﹣mail中专门讨论了勤俭的问题.你的e﹣mail内容应包括 1指出校园内中学生花钱如水没有节约的概念. 2分析产生这一现象的原因独生子女生活水平的提高追求时髦 3你对节俭的看法. 注意 1字数110左右. 2开头和结尾已写好不计入总字数. 3参考词汇世界勤俭日WorldThriftDay花销expenditure现象phenomenon奢侈extravagance这个提示不要为好范文中并未用到有了反而增加了难度 DearMike How'severythinggoing? AsyouknowWorldThriftDayfallsonOctober31.SothistimeI'dliketodiscussthriftwithyou.Inrecentyearsthemonthlyexpenditureofmiddleschoolstudentshasbeenonthesharprise.. Howaboutyourpointaboutthrift? Bestwishes! Yoursfaithfully LiHua
Shewantedtoiherstudentsbyhavingthemlistentothisinstructivespeech.
Iwaselevenyearsoldwhenthefirebrokeoutthatyear.IstoodoutsideinjustmyunderwearwhileIwatchedthe1thatIgrewupinrapidlyburntothe2.AfewminutesearlierIhadbeen3asleepinmynicewarmbedwhena4wokemeup.Mymum'sbedroomwasjustnexttomineandmybrother's.Afirehadbrokenoutthereand5her.WhileIstumbled跌跌撞撞地走aroundinthe6anddarknesssheranfromroomtoroomquicklywakingeveryoneinthehouse.Thehousehoweverwasover50yearsoldandmadeofwood.Beforewecoulddoanythingthefire7it.Weallbarely8outsidebeforethe9engulfed吞没everyroom. Istoodthere10whilethefiredestroyedmybooksclothesandtoys.Iwatched11whilemymumcriedandmyDadswore.I12whatwasgoingtohappentous13wehadlostallofourthings.AsIlookedaroundthoughIrealizedsomethingforthefirsttimeThethingsthat14aren'tthings.Irealizedatthatmomentthatwewereallalive.15thatwasessentialhad16thefire.Wewouldallbearoundtoloveeachotherformanyyearstocome.Andthatwasallthatmattered. Istillthinkofthatfireinthe17thathelpedmetobecomewhoIamtoday.Itshowedmefortheveryfirsttimewhatistruly18inthislife.Ithelpedmetolearnthatthelovewe19isfarmoreimportantthanthethingswe20. 1A.room B.house C.floor D.yard 2A.ground B.field C.ashes D.ruins 3A.loud B.quick C.good D.sound 4A.call B.scream C.voice D.noise 5A.caught B.frightened C.awakened D.denied 6A.smoke B.fire C.light D.noise 7A.spared B.possessed C.consumed D.found 8A.gotit B.madeit C.putit D.triedit 9A.flames B.dust C.silence D.fear 10A.nodding B.watching C.trembling D.staring 11A.curiously B.bravely C.peacefully D.helplessly 12A.wandered B.wondered C.fancied D.amazed 13A.nowthat B.enenif C.asif D.sothat 14A.rely B.mind C.matter D.value 15A.Something B.Everything C.Nothing D.Anything 16A.escaped B.saw C.survived D.passed 17A.afternoon B.day C.morning D.night 18A.basic B.reliable C.useless D.essential 19A.share B.protect C.feed D.remember 20A.apply B.aim C.support D.possess
Geneticengineeringinitsbroadestdefinitionmeanstocontrolaspeciessothataparticulartraitisincreasedinthepopulation.Atraitishowanorganism有机体looksoractsorwhatitdoes.Havingbrowneyesisatrait.Flyingincirclesisatrait.Climbingtreesisatrait. Theearliestformsofgeneticengineeringoccurredonfarms.Peopleselectedseedsfromplantsthathadmorefruitproductionortastierleavesthanotherplantsoftheirtypes.Thentheychosetosavetheseedsfromthebestofthatgrouptosowthenextyear.Soyearbyyearthefarmersproducedbetterandbettercrops.Thistypeofactivityprobablyhasbeengoingonsincemankindfirstsettledinvillagesandbeganmakingalifeforthemselvesinonelocationabout12000yearsago! Thesamesortofthingwouldhavealsohappenedwithanimals.Forexamplepeoplechosetoeattheanimalsthatdidn'thavefavorabletraitsandlettheanimalswiththefavorabletraitsreproduce.Itwasthousandsofyearsbeforemankindfiguredouthowplantsandanimalsreproducethemselves.Withthisknowledgepeoplecouldpollinate授粉plantsbyhandorkeepapairofanimalstogetherinordertodeliberatelycauseanincreaseinafavorabletrait. Itwasonlyinthelast250yearsthatscientistsbeganfiguringoutchromosomes染色体andgenesandtheroletheyplayinthewayonegenerationpassesitstraitsontothenext.Andit'sonlybeeninthelast30yearsthatscientistshavebeenabletocutoutspecificgenesfromoneorganismandputtheminanother.Itisthis30﹣year﹣oldtechnologythatisdescribedbythenarrowdefinitionofgeneticengineering.Mankindhaslongbeenabletohaveadeliberateimpactontheworldaroundhim.Henowpossessesthetoolstodeliberatelyimpacthimself.Somepeopleareafraidofwhatmightbedonewiththatpower. 1Thetextismainlydevelopedby. A.askingquestions B.examiningdifferences C.makingcomparisons D.givingexamples 2Paragraph2mainlytalksabout. A.thespreadofgeneticengineering B.theadvantageofgeneticengineering C.theoriginalapplicationofgeneticengineering D.thepopularityofgeneticengineering 3Theunderlinedwordtheminthelastparagraphrefersto. A.specificgenes B.specialtraits C.chromosomes D.scientists 4Whatcanwelearnaboutgeneticengineeringfromthelastparagraph? A.Ithasahistoryof250yearsbythenarrowdefinitionofgeneticengineering. B.Scientistsdon'tknowhowtomakegooduseofit. C.Peoplehaveamisunderstandingofitinthepast30years. D.Itisbecomingapowerfultoolofmankind.
AlthoughtheUnitedKingdomIrelandCanadaAustraliaandNewZealandhaveEnglishasanofficiallanguagetheUnitedStatesdoesnothaveanofficiallanguage.Thisishowit'spossibletobecomeaUScitizenwithoutspeakingEnglish.CanadaalsohasFrenchasanofficiallanguagethoughitismostlyspokenintheprovinceofQuebec.BecausemanyoftheEnglishspeakerswhooriginallyinhabited居住CanadacamefromtheUSthereislittledifferenceintheAmericanandCanadiandialectsofEnglish.SimilarlyAustralianandNewZealandEnglishhavefewdifferencesexceptAustraliawasoriginallysettledasapenalcolony流放地andNewZealandwasnot.BritishcolonialismhasspreadEnglishallovertheworldanditstillholdsprestige影响力inSouthAfricaIndiaandSingaporeamongothernations.InSouthAfricaEnglishbecameanofficiallanguagealongwithAfrikaansand9Africanlanguagesinthe1996constitution__.Howeveronly3%ofthecountry's30millionpeoplearenativeEnglishspeakers.Twentypercentaredescendants后代ofDutchfarmerswhospeakAfrikaansandtherestarenativeAfricans.IndiabecameindependentfromBritainin1947andtheEnglishlanguagewassupposedtobephasedout淘汰by1965.HowevertodayEnglishandHindiaretheofficiallanguages.IndianEnglishischaracterized具有的特征bytreatingmassnounsascountnounsfrequent频繁的useofthe'isn'tit?'taguseofmorecompoundsandadifferentuseofprepositions.InSingaporeChineseMalayandIndianlanguageshaveanimpact影响ontheformofEnglishspoken.EveryoneistaughtEnglishintheschoolsystembutthereareafewdifferencesfromBritishEnglishaswell.Massnounsaretreatedascountnouns'useto'meansusuallyandnoarticles冠词areusedbeforeoccupations职业.1WhycanpeoplebecomeaUScitizenwithoutspeakingEnglish?A.DifferentlanguagesarespokenintheUS.B.TheUSdoesn'thaveanofficiallanguage.C.Theycanspeaktheirownlanguagethere.D.TheycanlearnEnglishthere.2Compared比较withAustralianEnglishtheEnglishspokenbyNewZealanders.A.isclosertoAmericanEnglishB.isakindofoldEnglishC.isverysimilarinmanywaysD.isdifferentfromBritishEnglish3WhatdoweknowaboutSouthAfrica?A.Ithas11differentofficiallanguages.B.Englishisitsonlyofficiallanguage.C.20percentofitspeoplearenativeEnglishspeakers.D.Englishisbecominglessimportantthere.4Whatcanweinferfromthelastparagraph?A.TheIndiansarepoorwithEnglishgrammar.B.SingaporeanEnglishissimilartoIndianEnglish.C.PeopleinSingaporetendto倾向于misusecountnouns.D.EnglishisarequiredsubjectinSingaporeanschools.
Swimminghelpstogettheblood循环throughourbody.
IfeltagreatsenseofawhenIreachedthetopofthemountain.
AngelGarciaCrespoisacomputerengineeratCarlosIIIUniversityofMadridinSpain.Hisgrouphasinventedanewwayfordeaf﹣blindpeopletowatchTV.Theideaforthetechnologygrewoutofpreviousworkbyhisgroup.Theteamhadalreadyworkedonmakingaudiovisual视听的materialsaccessibletopeoplewitheithervisionorhearingdisabilities.Butthegroupwantedtohelppeoplewithbothchallenges.Sotheyaskedsomedeaf﹣blindpeoplewhatwouldhelp. Inadditiontorelyingontheirsenseoftouchtocommunicatedeaf﹣blindpeoplecanalsogetandsendinformationwithaBrailleline.TheBraillesystemusespatternsofraiseddotstostandforlettersandnumbers.ABraillelineisanelectronicmachinewithachangeableBrailledisplay.Dotsriseupordropdownbasedontheinformationsenttothemachine. NowthenewsystemchangesTVsignalstodataaBraillelinecanuse.Thekeytothesystemisthepossibilityofusingsubtitles字幕tocollectTVinformationGarciaCrespoexplains.Subtitlestravelwiththeimage影像andtheaudioinelectromagneticwaveswedon'tsee.Butanelectronicsystemcankeepthosewaves. Firstacomputerprogramorapppullsoutthesubtitlesandvisualdescriptionsfromthebroadcastsignal.ThesystemthencombinestheinformationandchangesbothintodataforBraille. Nowanotherappgetstoworkwhichsendsthedataouttopeople'sBraillelinesondemand.ThisisdoneinrealtimeinlessthanasecondGarciaCresposays.Thisletsadeaf﹣blindpersonwatchTVasit'sbroadcast.ThesystemwillworkwithvariousBraillelinesaslongasthere'sabluetoothconnectionavailable.NowthesystemisonlyusedinEuropeanditshouldsoonbeavailableintheUS. 1WhatinspiredGarciaCrespo'sgrouptoworkonthenewtechnology? A.Deaf﹣blindpeople'spoorlife. B.Theirpityonthedisabledpeople. C.Thechallengestheyfaceinwork. D.Theirgroup'spreviousresearch. 2WhycantheelectronicsystemcollectTVinformation? A.Itcancombineallkindsofbroadcastsignals. B.Itcankeepthewaveswithsubtitlestraveling. C.ItcanworktogetherwithavarietyofBraillelines. D.Itcanpulloutthesubtitlesandvisualdescriptions. 3Whatdoestheauthorthinkofthefutureofthenewtechnology? A.Challenging. B.Bright. C.Rewarding. D.Hopeless. 4Whatshouldbeasuitabletitleforthetext? A.NewTechnologyIsImprovingDeaf﹣blindPeople'sLife B.ANewBrailleLineIsAppliedtoDisabledPeople'sLife C.ASpanishGroupMakesTVAccessibletoBlindPeople D.NewTechnologyHelpsDeaf﹣blindPeopleWatchTV
OnourwaybackhomefromChristmastoydriveIaskedTommyifhehadanythingtoshare. Idon't1anythingMomheanswered.We'resopoor. Butyou'reneversopoorthatyouhavenothingto2Isaid. ButhowcouldIhelphimunderstand3Imyselfstillcomplainedaboutthe4thingsIcouldn'tafford? Thenextdayoneofmy5handedmeaChristmasgift﹣﹣aboxofchocolates.Shehadbeen6formonths! ThankyouJoannaIsaidtryingtoholdbackthe7asIhuggedher. Ihadn'texpecteda8﹣﹣Iworkatanadulteducationcenterwherewedealwithpeoplewhostrugglefinancially. LookingatmyChristmasgiftIwonderedifithadbeenanofferingoutofa9foodbudgetandIwantedtorefuseit.10IsaidThankyou. WhenIbroughtthecandieshometo11withmyfamilyItoldthemhow12eachchocolatewasifyouthoughtofhowmuchtheunemployedwoman'sfamilymakesayear.Isaidit13understandingmuchbetterYou'reneversopoorthatyouhavenothingtogive. Perhapsthe14Icouldhelpmysonunderstandwasformetounderstandfirst.15Iwenttomybookshelfandchoseseveralofmyfavorite16tosharewiththecenter.WhenIhadthem17Ifoundmysondraggingabasketoftoyshehadplayedwithwhenyounger.Idon'twantthese18thingshesaid. HehadlearnedthewayIhad﹣﹣by19!HereIhadthoughtIwastheteacherbutastudentistheone20meYou'reneversopoorthatyouhavenothingtogive. 1A.need B.have C.hide D.purchase 2A.afford B.appreciate C.expect D.give 3A.but B.until C.when D.though 4A.expensive B.practical C.delicious D.natural 5A.colleagues B.friends C.students D.relatives 6A.outoftouch B.inpower C.incharge D.outofwork 7A.tears B.anger C.curiosity D.desires 8A.gift B.coincidence C.reward D.hug 9A.tight B.perfect C.actual D.wrong 10A.Otherwise B.Instead C.Besides D.Therefore 11A.study B.deal C.experience D.share 12A.nutritious B.precious C.tasty D.inviting 13A.later B.already C.again D.before 14A.opportunity B.time C.way D.importance 15A.Unwillingly B.Immediately C.Curiously D.Frequently 16A.Clothes B.chocolates C.colors D.novels 17A.weighed B.boxed C.stored D.repaired 18A.frightening B.cheap C.dirty D.old 19A.word B.example C.punishment D.praise 20A.remembering B.helping C.teaching D.loving
Wouldyoumindwritingasofthepassage?About200wordsareOK.
HowtoProtectYourselffromHackersOnline Anincreaseincyber﹣attacks网络攻击makestheInternetseemlikeascaryplacethesedays.Howcanindividualsprotectormakeitmoredifficultforhackerstoaccesstheirinformation?Hereareseveraltipsthatcanhelpyouprotectagainstcyber﹣attacks 1 Hardpasswordsincludeupperandlowercaselettersnumbersandspecialcharacters.Theyshouldbeatleasteightcharactersinlength.Theyshouldalsonotspelloutwordseasyforhackerstofindlikeyourpet'snameorthenameofafamilymember. Changeyourpasswordregularly Averycommonmistakemadebyusersistocreateonehardpasswordbutthenneverchangeit.Rememberingalonglistofcomplicatedpasswordscanbedifficult.Butnopasswordisunbreakable.Hackersarebetterabletohackmultipleaccountsifthoseaccountsallhavethesamepassword.ApasswordmanagementservicelikeDashlaneorPasswordBoxcanhelpyoukeeptrackofhardpasswords.2 Clearyourbrowser浏览器history Thisgoesforallthedevicesyouuseinaday﹣yourhomecomputeryourworkcomputeroryourfriend'siPad.InternetbrowserslikeFirefoxorChromekeeptrackofwhereyou'vebeenandwhatyou'vedoneonline.Theykeeprecordsofeverysiteyouvisited.3Itisveryeasyforanyonewhoseesthatinformationtostealadetailedrecordofyouronlineactivities. DonotusefreeWi﹣Fi 4Oftenauserdoesnotneedapasswordtoconnecttothesewirelessnetworks.Theseservicesmightbeusefulbutthey'realsoaneasywayforhackerstoaccesseverythingonyourdevice. Useanti﹣virusprotection Therearemanyanti﹣virusservicesavailableforusers.5Someanti﹣virusservicesareevenfree.Theyareagreatwaytohaveaprofessionalhelpkeepingusersonestepaheadofhackers. A.Becarefulwhileusingthumbdrive. B.Theseservicespermituserstoeasilystoreandsecuretheirpasswords. C.Makeyourpasswordhardertohack. D.Theycanoffermanydifferenttypesofcomputerprotection. E.AnincreasingnumberofpublicplacesnowofferfreewirelessaccesstotheInternet. F.Informationaboutwhatyousentfromorsavedonyourcomputercanbekeptfordaysorweeks.
Duringthepast10yearsdomesticviolencehascaughtwiderpublicattentionthankstomoreexposureofcasesinthenewsmediaandonline.KimLeetheAmericanwifeofLiYangapopularEnglishteacherandfounderoftheCrazyEnglishpostedphotosofherswellingforeheadandbruisingkneesontheSinaWeibomicro﹣bloggingserviceinAugust.LeeaccusedherhusbandofbeatingherinfrontofoneoftheirchildrenandfiledaappealfordivorceinOctober. Itisestimatedthatabout25percentofChinesewomenhavebeenabusedbytheirhusbandsverballyandphysically.TheAll﹣ChinaWomen'sFederationandtheNationalBureauofStatisticsreleasedthefigureonOct21followinganationalsurveyof105573peopleaged18andover. WiththegrowthoflegalconsciousnessmoreandmorepeopleareawarethatChinahasaspeciallawtoprotectwomen'srightsandinterests.Howevermostofthevictimscouldnotprovetheabuseincourtduringdivorcehearingsbecauseevidenceisdifficulttoproduce.Expertssaidthatthelegalsystemdoesnotprotectthevictimseffectively.Previouslawsandregulationsconcerningdomesticviolencearedifficulttopractice. That'swhyourfederationiscallingforanationallawspeciallydevotedtocontaindomesticviolencetoclarifydefinitionsoftheoffensesidentifyresponsibilitiesofrelevantdepartmentsandensurethepowerofpunishmentofviolators违法人员.saidZhenYanvice﹣presidentoftheAll﹣ChinaWomen'sFederation. InspiteofthehardshipsKimLeemadeafirmstatementinalettershewrotetoLiYangandalsosenttotheAnti﹣DomesticViolenceNetworkofChinaLawSociety Imayfailtobringyoutojusticeandyourfamemayprotectyoufromconsequencesforyourbadactions. Iwillnotfail…inmymissiontohelpmillionsofChinesewomengainthelegalprotectionthattheydeserve.Evenifyoubeatheritisimpossibletodefeatthewomanwhonevergivesup. 1WhatcanwelearnaboutKimLeefromParagraph1? A.ShewasattackedbyherhusbandontheSinaWeibomicro﹣bloggingservice. B.ShepostedherphotosontheInternetinordertopromoteTheCrazyEnglish. C.ShewasbeatenbyherhusbandwhensheproposedadivorceappealonOctober. D.Shecouldn'tacceptthatherhusbandbeatherinoneoftheirchildren'spresence. 2Accordingtothepassagewhydoesthelegalsystemnotprotectthevictimseffectively? A.Becauseitishardtogettheviolatorsofdomesticviolencepunishedincourt. B.Becauseitiscommonandnormalforahusbandtobeathiswifewhennecessary. C.BecauseChinadoesn'thaveaspeciallawtoprotectwomen'srightsandinterests. D.Becausemostwiveslovetheirhusbandtoomuchandcanputupwitheverything. 3AccordingtoZhenYanwecaninferthat. A.ZhenYanbelievesthatwomeninChinawillhaveabrightfuture B.theAll﹣ChinaWomen'sFederationisthelargestwomen'sorganization C.there'snospeciallawdealingwithdomesticviolenceinthepresentlegalsystem D.theirorganizationisexperiencedwiththecasesconcerningdomesticviolence 4AccordingtoKimLee'slettermentionedinthepassagewecanconcludethat. A.KimLeeistryingtoensurethatherhusbandwillbepunishedbylaw. B.LiYangwillnottakehisresponsibilitybecauseheissofamous C.Awomancan'tbedefeatedbydomesticviolencebutbylove D.KimLeeisdeterminedtomakesurewomenarelegallyprotected
InthefourmonthssinceIlastpostedarticlesonmyblogI'vebeenspendingalotoftimestudyingChinese.IwantedtopasstheHSK.FromthebeginningofmyprogramtheHSKwastheendgoalofmyChineselearningthisyear.LuckilyIpasseditandnowIhaveoneandahalfmonthstogohomeandstaywithmyfamily. It'sreallyexcitingtolearnChineseinanenvironmentwhereIcanstudyveryfast.What'smoreIcanseemyownprogressindifferentways.WhenIgothereeightandahalfmonthsagoIonlyknewafewofthe150wordstestedintheHSK1.HoweveruntilnowI'vetakenandpassedthe2500wordHSK5. IrememberatimearoundJanuary.IthoughtmyChinesehadreachedthepointwhereIwascomfortableinmydaytodayconversations.Somyprogresswouldslowdowngreatly.HoweveritturnedoutthatIwastotallywrong.TheconversationsIcanhavenowfarsurpass超过theonesIwashavinginJanuary. TodayIhitalanguagelearninglandmark里程碑thatwasparticularlyexcitingformeIfinishedreadingHarryPotterandtheSorcerer'sStoneinChinese.Itmightnotseemthatexcitingbutitwasformebecauseit'sthefirstfullbookI'vereadinChinese.Andit'sthethirdlanguageI'vereadHarryPotterin.I'mespeciallyproudbecauseIspentaboutsevenmonthsreadingthefirst35pagesbutinthelastmonthandahalfImanagedtoreadabout150pages.MynextchallengeistoreadanovelwrittenbyaChineseauthorratherthanonethatI'vealreadyreadmanytimesinEnglish! HopefullyI'llbeabletokeepupmylanguagelearningprogressoverthenextmonthandahalfbecauseIknowI'llprobablyneverhaveanotheropportunitytolearnalanguagelikethis. Doyouwanttolearnanewlanguage?Ifyoudogotothecountrywherepeoplespeakitandlearnitfromthelocals. 1WhatdoweknowabouttheauthorwhenshefirstcametoChina? A.Shedidn'twanttolearnChinese. B.ShetooktheHSK1immediately. C.ShewasextremelypooratChinese. D.Shejustknew150wordstestedintheHSK1. 2WhydoestheauthorsayshewastotallywronginParagraph3? A.Becauseshedidn'treallyknowhowtolearnChinese. B.BecauseshecouldlearnbetterinaChineseenvironment. C.Becauseshewasuncomfortableinherdaytodayconversations. D.Becauseshemaderapidprogressinherdaytodayconversations. 3WhatdoestheauthorwanttoshowbymentioningreadingHarryPotter? A.Shecouldreadbooksreallyfast. B.It'sgoodtolearnthroughreading. C.ShelearnedtheChineselanguagequickly. D.TheHarryPotterbooksareworthreading. 4Whatdoestheauthor'sChineselearningexperiencemainlytellus? A.Weshouldlearnalanguagethroughtravelling. B.Learningasecondlanguageisreallyimportant. C.TheChineselanguageisnotsodifficulttolearn. D.Thelanguagelearningenvironmentisimportant.
YuanLongpingisoneofthemostfamousscientistsintheworld.He1struggleforthepastfivedecadesfortheChinesefarmers.Hegrows2iscalledsuperhybridrice.Thisspecialstrainofricemakes3possibletoproduceonethirdmoreofthecropinthesamefields.4usehishybridricefarmersareproducingharveststwiceaslargeasbefore. Findingwaystogrowmorericehasbeenhislifegoalsincehegraduatedfromcollegein1953.Atthattimehungerwas5disturbingprobleminmanypartsofthecountryside.Thereforehewantedtohelphismotherlandridofhunger6increasingthericeoutputwithout7expandtheareaofthefieldsandhefinallymadeit. 8agreatscientistheleadsaverysimplelife.Hebelievesthatapersonwithtoomuchmoneyhasmoreratherthan9fewtroubles.Hehasanotherdream10hisricecanbegrownaroundtheglobeandnohungerisintheworld.
DonnaStricklandisaprofessorintheDepartmentofPhysicsandAstronomy.ProfessorStricklandisoneoftherecipients受领者oftheNobelPrizeinPhysics2018withGérardMourouherPhDsupervisoratthetime.TheypublishedthisNobel﹣winningresearchin1985whenStricklandwasaPhDstudentattheUniversityofRochesterinNewYorkstate.Togethertheypavedthewaytowardthemostintenselaserpulsesevercreated. ProfessorDonnaStricklandisonlythethirdwomanevertohavewonaNobelPrizeinphysics.SheandherfellowwinnerswerehonoredforwhattheNobelCommitteecalledground﹣breakinginventionsinlaserphysics.ProfessorStricklanddevisedawaytouselasersasveryprecisedrillingorcuttingtools.Millionsofeyeoperationsareperformedeveryyearwiththesesharpestoflaserbeams. ﹣﹣﹣Howsurprisingdoyouthinkitisthatyou'rethethirdwomantowinthisprize? ﹣﹣﹣Wellthatissurprisingisn'tit?Ithinkthat'sthestoryofMariathatpeoplewanttotalkabout﹣﹣﹣thatwhyshouldittake60years?Therearesomanywomenouttheredoingfantasticresearchsowhydoesittakesolongtogetrecognized? Physicsstillhasoneofthelargestgendergapsinscience.Onerecentstudyconcludedthatatthecurrentratesitwouldbemorethantwocenturiesuntiltherewereequalnumbersofseniormaleandfemaleresearchersinthefield. ThelastwomantowinaphysicsNobelwasGerman﹣bornMariaGoeppert﹣Mayerforherdiscoveriesaboutthenucleiofatoms.BeforethatitwasMarieCuriewhosharedthe1903prizewithherhusbandPierre.Thisyear'swinnershopethatbreakingthishalfcenturyhiatuswillmeanthefocusinfuturewillbeontheresearchratherthanthegenderoftheresearcher. 1Whichofthefollowingbestexplainsground﹣breakingunderlinedinParagraph2? A.active B.talented C.creative D.awesome 2WhatdoweknowaboutProfessorStrickland'sachievement? A.Shecreatedthemostintenselaserpulsesbyherself. B.Sheadvocatedequalitybetweenmanandwomen. C.Shediscoveredthenucleiofatomswithherhusband. D.Sheinventedawayofusinglasersasaccuratecuttingtools. 3WhenwasthesecondNobelPrizeinphysicsawardedtowoman? A.in1963 B.in1985 C.in1903 D.in1958 4Whatcanbeinferredfromthestatementsinparagraph4? A.Woman'sachievementsinphysicsareasgreatasman's. B.Woman'sachievementsinphysicsaremoreandmorefantastic. C.Maria'sdiscoveriesresultedfromherlongtimeresearch. D.Genderdiscriminationstillexistsinthefieldofscienceresearch.
HowCanIFightLaziness? Lazypeoplewillnevergainanythinginlife.Howeverlazinesscanbedefeatedonceafewchangeshavebeenmadeinyourmind. 1Manypeoplelacksleepconstantlysincetheystayuptoolateandgetuptooearlytoprepareforwork.Thesepeoplehavelittlemotivationoncetheyarrivehome.Lazinessworkshandinhandwithalackofmotivationandatendencytoputoffthings.Byadjustingyoursleepscheduletoprovideafewmorehoursofmeaningfulrestyoucanfightlazinessthroughouttheday. Anotherwaytofightlazinessistochangeyourmindfrompassivetoactive.Somepeopletreattheirlivesasiftheywerepushedfromtasktotask.Otherstakeamorepositiveapproachviewingeachtaskasachallengetheymustovercomealone.2 Somepeoplefightlazinessbyremovingthetemptations__thatsurroundthem.AtelevisioninthelivingroommayprovideentertainmentbutwatchingtoomuchTVoftencontributestolaziness.3Completeafewtasksandrewardyourselfwithwhatyouenjoysuchasagooddinnerorafilm. Lazinesscanalsobealastingproblemathome.Couplesandchildrenmayallhavedifferentenergylevelsbutlazinesscanbespreadifnotdealtwithimmediately.4Bethefirsttocollectandwashdishesafterameal.Othersinthehomemayeventuallyfollowyourexampleandperformtheirowntask.Itisdifficulttopracticelazinesswhenyouaresurroundedbymotivatedpeople. 5Enoughexerciseandabalanceddietcanhelpyoutodevelopahealthylifestylethusenablingyoutohavemoreenergyandhelpliftyourspirits. A.Tofightfamilylazinesssetanexample. B.Knowinghowtofightlazinessisimportant. C.Onewaytofightlazinessistogetenoughsleep. D.Finallytakingexerciseregularlycanhelpyoufightlaziness. E.Withstrongdeterminationyouwillbeabletoachieveyourgoal. F.Lazinessappearswhenyounolongerfeelinchargeofyourownmind. G.Createarewardsystemforyourselfjustasparentsdoforachild.
MakingShortVideos Apictureisworthathousandwordsorsotheysay.Wellmotion运动picturescancontainevenmorememories.1Herearesomeappsyoucanusetomakeyourownshortvideos. Qupeiyin.cn RecitinglinesfrommoviesisaneffectiveandclassicwaytolearnEnglish.Sowhatifyoucoulddub配音recordingsaccompaniedbymovieclips剪辑andthensharethemwithfriends?2Younameit.Bycontributingyourvoiceyoucaneithermimic模仿theoriginalsoundtrackorcreatesomethingcompletelynewofyourown. Shorts 3WiththehelpoftheShortsappyoucanmakepicturesinyouralbumintoaslideshow.Choosefromanyoftheoff﹣the﹣shelfthemes﹣﹣﹣holidaytravelfriendshipandpartyforexample﹣eachmatchedwithitsownthememusicandslidebackground.Butifyou'renotsatisfiedwiththecombinationsfeelfreetodoalittlechangebyaddingtexttothepicturesorreplacingthemusicwithsomethinginyourownplaylist. VivaVideo Videomakingandeditingonceseemedawfullyhard.4Butthisappwilleaseyouintothefieldwithstraight﹣forwardfunctionsandcleardirectiontohelpyoucreateyourownvideostory.Apartfromfilterstickersandtextthecoolestpartofthisappisthatyoucanwritethenarrativesyourselfandaddyourownvoicetothevideo.5VivaVideorequiresarelativelypowerfulphonetorunsmoothly. A.Buthereisalittlereminder. B.That'swhyshortvideosarebecomingpopular. C.Theseappshaveavarietyofidentifications识别. D.ThisapphasmoviescartoonslecturesTVseries. E.Newbies网络新手andamateursdidn'tdaretoevengiveitatry. F.Videosandpicturesaren'tonlyforseparatepurposes. G.VideomakingandeditingiswhatApplefanswanttotry.
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.作文中共有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∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划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. Ialwayswantedtobegreatscientist.Ihadthesedreamsofdiscoveringanewdrugthatwouldsavethelifeofhundredsofpeople.UnfortunateIwasneververygoodatchemistryatschoolandtheteacherusedtogettingveryangrywithme.AfterawhileIdecidedIwouldbecomeaninventoranddesignedanonlyproductwhichwouldbecomeahouseholdname.Myparentswerequiteencouragedbuttoldmetobealittlemorerealistic.AfewweekslateIhadacleverideaforapenthatwouldwritewithupsidedown.Tomydisappointmentafriendofmepointedoutitwasnotanewdiscovery.
Anoutbreakoffireoranaccidentisan突发事件.
Chineseproverbsarerichandtheyarestillwidelyused1Chinesepeople'sdailylife.Behindtheseproverbsthereareofteninteresting2story.Forexampletheproverbpluckingupacroptohelpitgrowis3baseonthefollowingstory. Itissaid4ashort﹣temperedmaninthestateofSongwasveryanxious5helphisricecropsgrowupquickly.Hewasthinkingaboutitdayandnight.Butthecropsweregrowingmuchslowerthanheexpected. Onedayhecameupwithanideathathewouldpluckupallof6hecropsafewinches.Hedidsothenextday. Hewasverytiredafterfinishingdoingthisforawholeday7hefeltveryhappysincethecropsdidgrow8high. Hissonheardaboutthisandwenttoseethecrops.9unfortunatetheleavesofthecropsbegantowither枯萎. Thisproverbtellsusthatweshouldletthingsgointheirnaturalcourse.Beinganxioustohelpaneventdevelopoften10resultinthecontrarytoourintention.
There'sagoodchancesomethingyou'veboughtonlinehasbeeninthehandsofapickerfirst.Thesearetheworkersinwarehouses仓库whopickpackandshipallthosethingswe'reordering. AtAmazonandothercompaniesthey'reworkingsidebysidewithrobots.Expertssaywhiletherobotsarereplacingsomehumanworkersthemachinesaren'tquitereadytotakeovercompletely. Whenarobotfindsitsstorageunititslidesunderneathliftsitupandthendeliversittoaworker一they'recalledpickers.Onarecentdaythecomputertoldapickertograbwhatlookedlikeafantasyboard棋盘game.Thepickerfounditcanneditandplaceditontheconveyorbelt. Inatraditionalfulfillmentcenterwheretheassociatewouldwalktothedifferentitemsitcantakehourstofulfillacustomerorder.Robinsonsays. Nowwiththehelpofrobotsthattasktakesminutes一andfewerhumans. Soisthisasignwe'reenteringanewindustrialrevolution? It'sdefinitelygoingtotakeoveralotofjobs.saysKarenMyersascientistatSRIoneofSiliconValley'soldestresearchcenters. Atthesametimeshesayswe'rerunningagainstthelimitsoftechnology.TakethepickerattheAmazonfulfillmentcenter.Myerssaysthoseskillsareprovingtobeuniquelyhuman. Ourfingersareincrediblyflexibleandthecurrentgenerationofroboticoperatorsthey'regettingmuchmuchbettershesays.Butthey'rejustnotquitethereyet. There'salsotherobot'sbrain. RememberthatboardgametheAmazonworkerwaslookingfor?Shecouldbarelyseetheboxfilledintothestoragebin﹣butshecouldtellitwasaboardgame.Robotscan'tdothat. Technologistssaythatincreasinglyhumanswillworksidebysidewithrobots﹣insteadofrobotsworkingalone. AmazonsaysrobotsandhumansenabledtheTracywarehousetofulfillcustomerordersfaster.Thatmeansmorecustomersandmorehumanworkers. 1Apickerdoessometasksexcept. A.pickinggoods B.producinggoods C.spottinggoods D.packinggoods 2Withthehelpofrobotssometasksare. A.moreefficient B.lessstraight C.moredifficult D.lessprofitable 3Comparedwithrobotshumansaremore. A.powerful B.artificial C.flexible D.energetic 4Whatisthebesttitleforthetext? A.Robotsreplacinghumanscompletely. B.Theadvantagesofshoppingonline. C.Thefutureofrobots. D.Robotsandhumansworkingsidebyside.
假定英语课上老师要求同桌之间交换修改作文请你修改同桌写的以下作文.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∧并在其下面写出该加的词. 删减把多余的词用斜线\划掉. 修改在错词下面划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. WhenIwasveryyoungmyparentsteachmethevalueofwritingthank﹣younotes.WhenevertheyaskedmetoIwouldrollmyeyesandwriteitafterbirthdaysandsomefestivalsunwilling.OnlyaftermygrandmotherpassedawayIrealizetheirimpact.MymomandIhadthetaskofcleanmygrandmother'shouse.IopenedadrawerinherbedsidetablewhichIfoundabeautifulwoodenbox.IopeneditbutwasshockedtoseeeverycardIhadeverwrittentoher.Theimpactofamomentstayedwithmeallmylife.WhenIhadchildrentheylearnedfromthevalueofwritingthank﹣younotesandstilldosoevenasgrownadult.
Howoftendoyouexercise?Anewstudyfoundthatmostkidsaged12to15weren'tgettingenoughphysicalactivity.Theresultswerebasedonabout800kids.Aspartofthestudythekidstrackedandreportedontheirownactivitylevelsandtookphysicalexams. U.S.fitnessguidelinessuggestanhourormoreofphysicalactivityeveryday.Accordingtothestudyonly1in4U.S.kidsgetenoughphysicalactivity. It'scertainlyworryingtoseethatourkidshavesuchalimitedamountofphysicalactivityeachdaysaidDr.StephenPont.Heisanexpertonchildren'shealth. Fewkidsinthestudymettheguidelinesonphysicalactivitythatraisestheheartrateandmakespeoplebreatheharder.Overallabout25%saidtheygotanhourofthatkindofexerciseeveryday.Kidsalsoreportedonwhichactivitiestheydidmostoftenoutsideofschoolgymclass﹣﹣basketballforboysandrunningforgirls. Thestudyfoundthatfatteenagerswerelessactivethannormal﹣weightgirlsandboys.Fatgirlswereslightlylessactivethannormal﹣weightgirlsbutlevelsweresimilaramongoverweightandnormal﹣weightboys.Thestudyalsosaidthatthepercentoffatchildrenaged2to19was17%orabout12.5millionkids. There'salwaysroomforimprovementsaidTalaFakhouriwhowastheleaderofthestudy.ShealsosaidtheresultsprovideusefulinformationtohelpwithfitnesscampaignssuchasLet'sMovewhichwasinitiatedbyMichelleObamain2010.ToinspirekidstoeatrightandgetinshapeMichellevisitsschoolsandholdsexerciseevents.Shealsocallsonschoolstoofferregulargymclasses. Thestudyalsofoundkidswhogetphysicaleducationatschoolmaygetbettergrades. 1Whatistheresultofthenewstudy? A.800kidsdon'tgetenoughphysicalactivity. B.MostU.S.kidsdon'tgetenoughexercise. C.Kidsshouldgetphysicalactivityeveryday. D.It'simportanttotakephysicalexams. 2Whichofthefollowingsportsdogirlslikebest? A.Swimming. B.Basketball. C.Running. D.Gym. 3What'sthepurposeofthecampaignLet'sMove? A.Tohelpkidstokeepfit. B.Toprovideusefulinformation. C.Toofferregulargymclasses. D.Toholdexerciseevents. 4Accordingtothestudychildrenwithenoughexercisemay. A.belessactivethanfatchildren B.bemorewillingtohelpothers C.dobetterintheirstudies D.trytheirbesttogetinshape
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.错误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∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划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. DisappointingattheresultoftheexaminationIsatonthesofainsilentafterschool.MyfatherhefoundIwassounhappycometoaskmewhy.Afterlearningthereasonmyfathergavemeasmile.HesaidDon'tallowtheterriblythingsinyourlifetodiscountthepositiveones.Don'tletabaddayormonthoryeartomakeyoufeellikeyouhaveabadlifeinsteadfocusingoneverythingthat'sgoingwrongstartholdingontoallofthethingsthatisgoingright.You'llfeelbettersoon.HeardwhatmyfathersaidIfeltittheshametoactlikethatanddecidedtocheermyselfup.
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