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A beautiful September evening,my 11﹣year﹣old grandson,Josh,and his team were warming up for their f...
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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∧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. SinceIwasakidI'veconsidereddifferentjobIwouldliketodo.FirstIwantedtobeafiremanwhoseuniformlookedsocoolly.ThenwhenIwasinthefivegradeIwantedtobeateacherbecauseIlikedmyEnglishteachertoomuch.WhenIstudiedchemistryhighschoolIreconsideredmggoalordecidedtobeadoctor.Theyweretworeasonsforthedecision.OnewasthatIwasamazingatthefactthatasickpersoncouldfeelmuchmorebetterafterseeingadoctor.AndtheotheristhatIwantedtohelppeopleinneed.
AfterphotographerMonniMust'sdaughterMiyadiedthesadmotheradoptedherblackdogBillyBean.AsBillybecameincreasinglyweakthethoughtofitsdyingwasjustmorethanMustcouldhandle.Soshedecidedtoclonethedog.IfearedeveryonewasgoingtoforgetMiyashesaidandmyotherdaughtersthoughtIhadcompletelylostmymind. Billy'scellswereshippedtoViaGenPetsaTexascompanythatprovidesthecloningservice.Withmorethan﹩50000Mustpickedupanewpuppy.Thedoghasarealsoulandiseverythingmydaughterwas﹣funsocialandkindshesaid.IfeelthatIstillhavethattouchableconnectionandnotjustaspiritualconnection. Cloninganimalsishardlynew.ButtherecentnewsthatsingerBarbraStreisandhadclonedherdoggrabbedinternationalheadlines.PeoplefortheEthicalTreatmentofAnimalsPETApresidentIngridNewkirkissuedastatementsayingshewouldlovetotalkheroutofcloningnotingthatmillionsofwonderfuldogsaregettingoldinanimalshelterseveryyearordyinginterrifyingwayswhenabandoned. Normallyadoctortakesatissuebiopsy组织活检apieceofskinandmuscleaboutthesizeofapencileraserfromthedog.Thenextstepistotakeaneggcellfromadonordogremovetheegg'snucleusandinsertDNAfromthepettobecloned.Whenanembryo胚胎developsitistransplantedinthebodyofamotherdog. Inthebasiccloningprocedurescientiststakeanentireadultcellandputitintoaneggthat'sbeenrelievedofitsownDNA.Theresultingembryoisaclone.Howeverinmanyanimalsonlyonein100clonedembryoseverleadstoalivebirth.SomeembryosdieintheIVFdishorinthemothersbodies.Ofthosethatarebornafewsufferfromabnormalitiesandquicklydie.Besidespetcloningdoesn'tmeancopyingeverythingofyourbelovedpets. 1WhydidMustdecidetocloneBillyBean? A.Shefeltalonewithoutitscompany. B.Herworkexperienceinspiredhertodoso. C.Shewantedtokeepherdaughter'smemory. D.Herfamilyencouragedhertogetanewdog. 2What'sNewkirk'sattitudetowardspetcloning? A.Supportive. B.Negative. C.Objective. D.Uncertain. 3WhatdoesParagraph4mainlytalkabout? A.Howdogcloningworks. B.Theachievementsindogcloning. C.Thedisadvantagesofpetcloning. D.Howtosupportanimalprotection. 4Thelastparagraphimpliesthatanimalcloning. A.iswidelyacceptednow. B.hasaveryhighfailurerate. C.givespetownersfalseinformation. D.hasmadeabreakthroughinrecentyears.
IsFreshAirReallyGoodforYou? Weallgrewuphearingpeopletellustogooutandgetsomefreshair.1AccordingtorecentstudiestheanswerisabigYESiftheairqualityinyourcampingareaisgood. 2Iftheairyou'rebreathingisclean﹣whichitwouldbeifyou'reawayfromthesmogofcities﹣thentheairisfilledwithlife﹣givingenergizingoxygen.Ifyouexerciseoutofdoorsyourbodywilllearntobreathemoredeeplyallowingevenmoreoxygentogettoyourmuscles肌肉andyourbrain. Recentlypeoplehavebegunstudyingtheconnectionbetweenthenaturalworldandhealing治愈.3Intheseplacespatientscangotobenearnatureduringtheirrecovery.Itturnsoutthatjustlookingatgreengrowingthingscanreducestresslowerbloodpressureandputpeopleintoabettermood情绪.Greeneryisgoodforus.HospitalpatientsWhoseetreebranchesouttheirwindowarelikelytorecoveratafasterratethanpatientswhoseebuildingsorskyinstead.4Itgivesusagreatfeelingofpeace. 5Whilethesun'srayscanageandharmourskintheyalsogiveisbeneficialVitaminD.TomakesureyougetenoughVitaminD﹣butstillprotectyourskin﹣putonsunscreenrightasyouheadoutside.Ittakessunscreenaboutfifteenminutestostartworkingandthat'splentyoftimeforyourskintoabsorbaday'sworthofVitaminD. A.Freshaircleansourlungs. B.Sowhatareyouwaitingfor? C.Beinginnaturerefreshesus. D.Anothersidebenefitofgettingfreshairissunlight. E.Butisfreshairreallyasgoodforyouasyourmotheralwayssaid? F.Justasimportantlywetendtoassociateairwithhealthcare. G.AllacrossthecountryrecoverycentershavebegunbuildingHealingGardens.
甲乙两车同时同地出发在同一平直公路上行驶．其中甲车做匀速直线运动乙车由静止开始做匀加速直线运动其运动的位移时间S﹣t图象如图所示．则乙车追上甲车前两车间的最大距离是
如图轻绳的一端固定在地面的O点手持绳子的另一端点A以周期T＝2s在水平方向上做简谐运动从而带动绳上其他质点振动形成一列沿Y轴负方向传播的波此列机械波是选填“横波”或“纵波”沿Y轴方向传播的速度为m/s．
如图所示的点电荷电场中带正电的场源点电荷电量为Q固定于O点OP＝r．已知一个电荷量为q的正检验电荷在P点受到的电场力大小为F具有的电势能为EP静电力恒量为k．下列说法正确的是
ThepolarbearisfoundintheArcticCircleandsomebiglandmassesasfarsouthasNewfoundland.Whiletheyarerarenorthof88°thereisevidence1theyrangeallthewayacrosstheArcticandasfarsouthasJamesBayinCanada.Itisdifficulttofigureoutaglobalpopulationofpolarbearsasmuchoftherangehasbeen2poorstudied;howeverbiologistscalculatethatthereareabout20000﹣25000polarbearsworldwide. Modernmethods3trackingpolarbearpopulationshavebeenemployedonlysincethemid﹣1980sandareexpensive4performconsistentlyoveralargearea.InrecentyearssomeInuitpeopleinNunayut5reportincreasesinbearsightingsaroundhumansettlementsleadingtoa6believethatpopulationsareincreasing.Scientistshaverespondedby7notethathungrybearsmaybecongregating聚集aroundhumansettlementsleadingtotheillusion错觉thatpopulationsare8highthantheyactuallyare.Of9nineteenrecognizedpolarbearsubpopulationsthreearedecliningsix10bestableoneisincreasingandninelackenoughdata.
NeedaJobThisSummer? Theprovincialgovernmentanditspartnersoffermanyprogramstohelpstudentsfindsummerjobs.Thedeadlinesandwhatyouneedtoapplydependontheprogram. Notastudent?Gotothegovernmentwebsitetolearnaboutprogramsandonlinetoolsavailabletohelppeopleunder30buildskillsfindajoborstartbusinessesallyearround. JobsforYouth Ifyouareateenagerlivingincertainpartsoftheprovinceyoucouldbeeligible符合条件forthisprogramWhichprovideseightweeksofpaidemploymentalongwithtraining. Whoiseligible:Youth15﹣18yearsoldinselectcommunities社区. SummerCompany SummerCompanyprovidesstudentswithhands﹣onbusinesstrainingandawardsofupto$3000tostartandruntheirownsummerbusinesses. Whoiseligible:Studentsaged15﹣29returningtoschoolinthefall. StewardshipYouthRangerProgram YoucouldapplytobeaStewardshipYouthRangerandworkonlocalnaturalresourcemanagementprojectsforeightweeksthissummer. Whoiseligible:Studentsaged16or17attimeofhirebutnotturning18beforeDecember31thisyear. SummerEmploymentOpportunities机会 ThroughtheSummerEmploymentOpportunitiesprogramstudentsarehiredeachyearinavarietyofsummerpositionsacrosstheProvincialPublicServiceitsrelatedagenciesandcommunitygroups. Whoiseligible:Studentsaged15orolder.Somepositionsrequirestudentstobe15to24orupto29forpersonswithadisability. 1WhatisspecialaboutSummerCompany? A.Itrequiresnotrainingbeforeemployment. B.Itprovidesawardsforrunningnewbusinesses. C.Itallowsonetoworkinthenaturalenvironment. D.Itoffersmoresummerjobopportunities. 2WhatistheagerangerequiredbyStewardshipYouthRangerProgram? A.15﹣18. B.15﹣24. C.15﹣29. D.16﹣17. 3Whichprogramfavorsthedisabled? A.JobsforYouth. B.SummerCompany. C.StewardshipYouthRangerProgram. D.SummerEmploymentOpportunities.
MarkTwainisoneofthegreatestAmericanauthors.Hepublishedhismostfamousworksinthelaterdecadesofthe19thcenturywhentheUSwasstillbuildingaliterarytraditionforitself. Twaincreatedakindofwritingthatwasnamedlocalcolorliterature.Thetermmeansthatthewritingcontainsmanyreferencestothecultureofthestory'slocation.ForTwaininparticularhisworksarefilledwithreferencestothesouthernstatesoftheUSparticularlythelivesofthepeoplealongtheMississippiriver.Youfeelitinhisdescriptionsofplacesandthewayhemakeshischaractersspeak.ThisisclearinhismostfamousworkthenovelTheAdventuresofHuckleberryFinn. Thisstoryistheself﹣toldtaleofaboywholiveswithakindoldwoman.ShewantsHucktogrowupproperlyandtakesgoodcareofhim.HoweverlikehisfriendTomSawyerthefamouscharacterofanearliernovelbyTwainTheAdventuresofTomSawyerHuckdoesn'tliketofollowrules.Helivesthewayhewantstonotthewayotherpeoplewanthimto. DuringhisadventuresFinnrunsawayfromhome﹣togetawayfromschoolandhisnastyfather.AlongthewayhecreatesafriendshipwitharunawayslaveJim.TogethertheybuildthemostfamouschildhoodfriendshipinAmericanliterature. Eventhoughit'shismostfamousworkTheAdventuresofHuckleberryFinnisjustoneofTwain'smanyachievementsinliterature.He'salsoanauthoroffamousquotes.Aswithwordsbyother19thcenturyauthorslikeIrishPoetOscarWildeandIrishplaywrightGeorgeBernardShawmanywillhavereadwordswrittenbyTwaineveniftheydon'tknowhisname. Oneofhismostfamousquotescamefromaletterhesenttoanewspaperafterithadpublishedthathe'ddied.RumorsofmydeathTwainwrotearegreatlyexaggerated夸张. 1AccordingtothearticlewhatisthemainfeatureofMarkTwain'sworks? A.Theyaremostlyaboutchildren'sadventures. B.TheyareabouteverycultureacrosstheUS. C.Theyfocusonthelivesofupper﹣classAmericans. D.TheyfocusonthecultureofthesouthernstatesofAmerica. 2WhatcanwelearnaboutHuckfromthearticle? A.Helivesapoorlifewithhismother. B.Helovestobefreeandbehimself. C.Heissmartanddoeswellatschool. D.HerunsawaytofindhisfriendJim. 3WhatsimilaritydoesMarkTwainsharewithOscarWildeandGeorgeBernardShaw? A.Theyallstartedanewliterarytradition. B.Theyareallknownthroughouttheworld. C.Theyallproducedmanywell﹣knownquotes. D.TheyallcontributemuchtoAmericanliterature. 4What'sthearticlemainlyabout? A.MarkTwain'smostfamousnovel. B.Theoriginoflocalcolorliterature. C.WhyMarkTwainisagreatauthor. D.TheinfluenceofMarkTwain'sworks.
如图所示一个小球沿竖直放置的光滑圆环形轨道做圆周运动圆环的半径为R关于小球以下说法正确的是
两列振幅分别为A1和A2的相干简谐横波相遇下列说法正确的是
Asdataandidentitytheftbecomesmoreandmorecommonthemarketisgrowingforbiometric生物测量technologies﹣likefingerprintscans﹣tokeepothersoutofprivatee﹣spaces.Atpresentthesetechnologiesarestillexpensivethough. ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalow﹣costdevice装置thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence节奏withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliketheforceofauser'stypingandthetimebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thusthekeyboardcandeterminepeople'sidentitiesandbyextensionwhethertheyshouldbegivenaccesstothecomputerit'sconnectedto﹣regardlessofwhethersomeonegetsthepasswordright. Italsodoesn'trequireanewtypeoftechnologythatpeoplearen'talreadyfamiliarwith.Everybodyusesakeyboardandeverybodytypesdifferently. Inastudydescribingthetechnologytheresearchershad100volunteerstypethewordtouchfourtimesusingthesmartkeyboard.Datacollectedfromthedevicecouldbeusedtorecognizedifferentparticipantsbasedonhowtheytypedwithverylowerrorrates.Theresearcherssaythatthekeyboardshouldbeprettystraightforwardtocommercializeandismostlymadeofinexpensiveplastic﹣likeparts.Theteamhopestomakeittomarketinthenearfuture. 1Whydotheresearchersdevelopthesmartkeyboard? A.Toreducepressureonkeys. B.Toimproveaccuracyintyping. C.Toreplacethepasswordsystem. D.Tocutthecostofe﹣spaceprotection. 2Whatmakestheinventionofthesmartkeyboardpossible? A.Computersaremucheasiertooperate. B.Fingerprintscanningtechniquesdevelopfast. C.Typingpatternsvaryfrompersontoperson. D.Datasecuritymeasuresareguaranteed. 3Whatdotheresearchersexpectofthesmartkeyboard? A.It'llbeenvironment﹣friendly. B.It'llreachconsumerssoon. C.It'llbemadeofplastics. D.It'llhelpspeeduptyping. 4Whereisthistextmostlikelyfrom? A.Adiary. B.Aguidebook. C.Anovel. D.Amagazine.
IwasvisitingAustraliaafewweeksago.IknewIcouldn'tleavethesurfcapitaloftheworld1havingatrymyself.I2bookagroupsurflessonwhenIwasinByronBaywhichisareallypopularplacefor3professionsurferstogoandcatchsomewaves! Westartedoffwithawarmupbydoingsomestretchesandgoingforajogalongthebeach.Thenweall4liedownonoursurfboardsonthesandandpracticedjumpinguptothe5standposition.Afterthiswewerereadytogooutandtryitoutonthewater.Wellsurfingismuchharderthanitlooks﹣whenyouwatchpeoplefromthebeachtheymake6looksoeasy!Ihad7coupleoffailedattemptstostandupbeforeoneoftheinstructorscametohelpme. 8finalIstartedtogetthehangofitandbytheendofthelessonImanagedtostandupontheboardbymyself9wasaprettyawesomefeeling.NowI10waittotryitagainalthoughI'lldefinitelyneedtowearawetsuitifI'msurfingintheUK!
OnOct.212018China'srestaurantchain1serveShaxianCountysnacks小吃openeditsfirsteateryintheUnitedStatesbutclosedthreehoursafteritwasofficiallyopenedtothepublicasallthe2dishonthemenuweresoldout.Inthepastmonththenewly﹣openedrestaurantat81860thSt.Brooklyn3receiveanordereverytwominutesduringbusyhours.Whenthecustomerscanseethecookingprocesswithanopenkitchenintherestaurantitputs4theyateaseoverfoodsafety. NativetoShaxianCountytheShaxianDelicaciesrestaurantchainhasalreadybecome5greatsuccessinChina.NowthesesnackshavehitthestreetsofNewYorkCityandcaughtlocaltastebuds味蕾.Abasketofsteameddumplingsfor50centsdelicious6notexpensivethat'smychildhoodmemoriesoftheShaxiansnacks.saidLinLijuinvestoroftheShaxianDelicacies.7adapttothetasteofforeignerstheShaxianDelicacieshasnotonlymaintainedthe8traditionproductionskillsbutalsomademanyimprovements. WithitsgoodqualityandcompetitivepricetheShaxianDelicacieshasbroughtinover10billionyuan9annual.ActuallytheShaxianDelicaciesisnottheonlyfood10islovedbyforeigners.
Bacteriaareanannoyingproblemforastronauts.Themicroorganisms微生物fromourbodiesgrowuncontrollablyonsurfacesoftheInternationalSpaceStationsoastronautsspendhourscleaningthemupeachweek.HowisNASAovercomingthisverytinybigproblem?It'sturningtoabunchofhighschoolkids.Butnotjustanykids.ItisdependingonNASAHUNCHhighschoolclassroomsliketheonescienceteachersGeneGordonandDonnaHimmelbergleadatFairportHighSchoolinFairportNewYork. HUNCHisdesignedtoconnecthighschoolclassroomswithNASAengineers.ForthepasttwoyearsGordon'sstudentshavebeenstudyingwaystokillbacteriainzerogravityandtheythinkthey'reclosetoasolution解决方案.Wedon'tgivethestudentsanybreaks.TheyhavetodoitjustlikeNASAengineerssaysFlorenceGoldaprojectmanager. TherearenotestsGordonsays.Thereisnogradedhomework.Therealmostarenogradesotherthan‘Areyouworkingtowardsyourgoal?'Basicallyit's‘I'vegottoproducethisproductandthenattheendoftheyearpresentittoNASA.'Engineerscomeandreallydoanin﹣personreviewand…it'snotaverynicethingattimes.It'sahardbusinessreviewofyourproduct. GordonsaystheHUNCHprogramhasanimpact影响oncollegeadmissionsandpracticallifeskills.ThesekidsaresoabsorbedintheirstudiesthatIjustsitback.Idon'tteach.Andthatannoyingbacteria?GordonsayshisstudentsareemailingdailywithNASAengineersabouttheproblemreadyingaworkablesolutiontotestinspace. 1WhatdoweknowaboutthebacteriaintheInternationalSpaceStation? A.Theyarehardtogetridof. B.Theyleadtoairpollution. C.Theyappearindifferentforms. D.Theydamagetheinstruments. 2WhatisthepurposeoftheHUNCHprogram? A.Tostrengthenteacher﹣studentrelationships. B.Tosharpenstudents'communicationskills. C.Toallowstudentstoexperiencezerogravity. D.Tolinkspacetechnologywithschooleducation. 3WhatdotheNASAengineersdoforthestudentsintheprogram? A.Checktheirproduct. B.Guideprojectdesigns. C.Adjustworkschedules. D.Gradetheirhomework. 4Whatisthebesttitleforthetext? A.NASA:TheHomeofAstronauts B.Space:TheFinalHomeworkFrontier C.Nature:AnOutdoorClassroom D.HUNCH:ACollegeAdmissionReform
Therewasasurveyofthepeoplewhowerebornfrom1980to2000askingthemwhattheirmostimportantlifegoalswere.Over80percentsaiditwastogetrich.1We'reconstantlytoldtodevotemoretoourworktopushharderandtoachievemore.We'regiventheimpressionthatthesearethethingsthatweneedtogoaftertohaveagoodlife.Butisthatthetruth?2 Butwhatifwecouldstudypeoplefromthetimewhentheywereteenagersallthewayintooldagetoseewhatreallykeepspeoplehappyandhealthy?TheHarvardStudyofAdultDevelopmentdidit.For75yearsthey'vetrackedthelivesof724men.Studieslikethisareextremelyrare.Almostallprojectsofthiskindfallapartwithinadecadebecausetoomanypeopledropoutofthestudy.3Ortheresearcherscan'tgettogether.Butthroughacombinationofluckandthepersistenceofseveralgenerationsofresearchersthisstudyhassurvived. Sowhathavetheylearned?Theconclusionisthatit'snotwealthorfamethatcounts. 4They'velearnedthreebiglessonsaboutrelationships.Firstlypeoplewhoaremoresociallyconnectedtofamilytofriendsandtocommunityarehappierandphysicallyhealthier.Thesecondisthatit'snotjustthenumberoffriendsyouhavebutthequalityofyourcloserelationshipsthatmatters.Andthethirdisthatgoodrelationshipsdon'tjustprotectourbodies.5 A.Theycanevenprotectourbrains. B.Tobecomefamouscamesecond. C.Orfundingfortheresearchdriesup. D.Thegoodlifeisbuiltwithrelationships. E.Itturnsoutthatbeinginconflictisbadforourhealth. F.Itisgoodrelationshipsthatkeepushappierandhealthier. G.Tobefranksometimeswealthandfamecanmakepeoplehappy.
OneafternoonIwenttopickupmymotherfromwork.1Ilookedoutsidethecarwindowtherewasasmallpark2Isawalittleboyrunningfreelyonthegrassashismotherwatchedfromashortdistance.Theboywouldthenfalltothegrass3andwithouthesitationorwithoutlookingbackathismotherrunasfastashecouldagainstillwithasmileonhisface4nothinghappened. Whentheyfalldownkidsdon't5theirfallingdownasafailurebut6theytreatitasalearningexperience7justanotherresultofoutcome.Theytryandtryagain8theysucceed.Theyhaven'tassociatedfallingdownwiththeword9yetthustheydon'tknowhowtofeelthestatewhichaccompaniesfailure.Sotheydon't10.Plustheyprobablythinktothemselvesthatit'sperfectlyokaytofalldownandthatit'snot11todoso.Inotherwordstheygivethemselves12tomakemistakessubconsciously. WhileIwas13bytheboy'spersistenceIwasequallytouchedbythe14inwhichheran.Witheachattempthelookedsoconfident…sonatural.Hisonlyaimwastorunfreelyandtodoitaseffectivelyashecould.Hewasjustbeingachild﹣justbeinghimself﹣beingcompletelyinthemoment.Hewasnotlookingforapprovalorwasnotworryingabout15someonewaswatching.Hewasn't16aboutbeingjudged.Hedidn'tseemtobebotheredby17thatmaybesomeonewouldseehimfall.Nowhat18tohimwastoaccomplishthetaskoractivity19tothebestofhisability. Ilearnedalotfromthat20andexperienceandhavesuccessfullybroughtthatlessonwithmeinmylife. 1A.Calling B.Working C.Waiting D.Hoping 2A.where B.which C.when D.what 3A.geton B.getup C.getoff D.getacross 4A.asif B.eventhough C.while D.sothat 5A.look B.refer C.regard D.prefer 6A.for B.also C.instead D.rather 7A.as B.in C.at D.for 8A.when B.until C.after D.before 9A.success B.strike C.misfortune D.failure 10A.loseheart B.losetheirheart C.breakheart D.takeheart 11A.right B.suitable C.wrong D.impossible 12A.help B.permission C.order D.right 13A.impressed B.interested C.touched D.surprised 14A.means B.speed C.method D.manner 15A.if B.where C.whether D.unless 16A.concerned B.cared C.angry D.crazy 17A.thetime B.thefact C.theplace D.thereason 18A.surprised B.happened C.appealed D.mattered 19A.byhand B.outofhand C.athand D.fromhand 20A.movement B.opinion C.memory D.observation
在任意相等时间内物体的速度变化不相同的是
中子n轰击氮核N轰击后生成碳核C和另一原子核X则原子核X的中子数为
Let'sfaceit﹣﹣﹣you'reattachedtoyourphone.YouuseittocommunicateplaygamesandsurftheInternet.Butthere'sagreatwaytomakeyoursmartphonealife﹣enrichingdevicewithouthurtingyoureyes.Checkouttheworldofpodcasts. ThinkofpodcastsasYouTubechannelsforlistenersthatyoucandownloadtoyourphone.What'ssoexcitingaboutthat?Wellyoucanfindalotofamazingshows!Whateveryoufindthatcatchesyourattentiononethingissure﹣﹣﹣listeninginspirestheimagination.Becauseyoucanonlylistentoashowandnotseeityouhavetopaymoreattention.Thereforeyourimaginationhasthepotentialtobecomestrongerandmorevividasaresult. Podcastsallowyoutoexperiencetheworldfromvariousangles.TakeAmerica'sNPRandBritain'sBBCforexample.Bothhaveproducedseveralpodcasts.Bylisteningtothemyoucanlearntoappreciateculturaltolinguisticdistinctions.Choosewhatyoulike.Intheendit'syourdevice﹣﹣﹣yougettodecidewhoinfluencesyou! Sowhat'soutthere?Lots!Sincepodcastsarecreatedforveryspecificaudiencesyou'resuretofindonethatinterestsyou.PodcastshadbeenaroundformorethanadecadeandonethatreallyputpodcastinginthespotlightiscalledSerial.It'sintheformofastorybrokenupoverseveralweekscompletewithcliffhangers.Ormaybeyoulikelisteningtopeoplediscussinterestingtopics.MypersonalfavoriteisWhiteHorseInn.Ifyou'reafanofinformativespeechessubscribetooneofthemanyTEDtalkspodcasts.Thereareseverallanguage﹣learningpodcaststoolikeESLPod.Thelistgoeson.Ifyou'renotsurewheretostartlookuptoppodcastsandgiveoneoftheirrecommendationsatry. Whetheryou'reridingabusexercisingorjustrelaxingputonsomeheadphonesandputyourlisteningskillstothetest.DownloadapodcastAppsubscribetoafewandgetlistening.Orbetteryetifyouhaveanideaforapodcastwhynotproduceoneyourself! 1Paragraph2mainlytellsuspodcastshelp. A.tomakeyourlifemoremeaningful B.todevelopyourimagination C.toimproveyourlisteningability D.toknowtheworldbetter 2Paragraph3isdeveloped. A.bygivingexamples B.bymakingcomparisons C.bygivingdetailedfacts D.bygivingcausesandeffects 3Fromthetextitcanbejudgedthat. A.youcanmakeprogressbyjustdownloadingapodcastApp B.Serialisalisteningprogramtellinginterestingstories C.WhiteHorseInnisaprogramthatdiscussesdulltopics D.peoplecanbetaughttolearnallkindsoflanguages 4Thepurposeofmentioningyourphoneatthebeginningofthetextis. A.tointroducethetopic B.togiveyoumoreevidence C.totalkaboutthefunctionofphones D.tomakethetextinformative
阅读下面短文根据所给情节进行续写使之构成一个完整的故事. HernamewasMrs.Thompson.Andasshestoodinfrontofthe5thgradeclassontheveryfirstdayshelookedatherstudentsandsaidthatshelovedthemallthesame.ButthatwasimpossiblebecausethereinthefrontrowwasalittleboynamedTeddyStoddard.Mrs.ThompsonhadwatchedTeddytheyearbeforeandnoticedthathedidn'tplaywellwiththeotherchildrenthathisclothesweremessyandthatheconstantlyneededabath.ShepaidnoattentiontoTeddy. Howeverwhenshereadhisfileshewasinsurprise.Teddy'sfirstgradeteacherwroteTeddyisabrightchildwithareadylaugh.Hedoeshisworkneatlyandhasgoodmanners…heisajoytobearound.HissecondgradeteacherwroteTeddyisanexcellentstudentwelllikedbyhisclassmates.Butheistroubledbecausehismotherhasadeadlyillnessandlifeathomemustbeastruggle.HisthirdgradeteacherwroteHismother'sdeathhasbeenhardonhim.Hetriedtodohisbestbuthisfatherdoesn'tshowmuchinterest.Teddy'sfourthgradeteacherwroteTeddyiswithdrawnanddoesn'tshowmuchinterestinschool.Hedoesn'thavemanyfriendsandsometimessleepsinclass.BynowMrs.Thompsonrealizedtheproblemandshewasashamedofherself.Shethoughtthatshecouldmakeadifference. ShefeltevenworsewhenherstudentsbroughtherChristmaspresentswrappedinbeautifulpaperandtiedwithprettyribbonsexceptforTeddy's.Hispresentwasclumsilywrappedintheheavybrownpaperthathegotfromagrocerybag.Mrs.Thompsonopeneditinthemiddleoftheotherpresents.Someofthechildrenstaredtolaughwhenshefoundastonebracelet手镯withsomeofthestonesmissingandabottlethatwasone﹣quarterfullofperfume. Paragraph1: Mrs.Thompsonhervoicechokedupwithtearsthankedherstudentsfortheirpresents. Paragraph2: TenyearslaterTeddyinvitedMrs.Thompsontoattendhisweddingasgroom'smother.
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^并在其下面写出该加的词. 删除:把多余的词用\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l0处多者从第11处起不计分. LastSundaymyclassmatesandIwenttotheparkneartheschool.Canyouguessthatwedidthere?Wetakepartinavolunteeractivity.Wereachedintheparkatnineo'clockandthenwedividedintothreegroups.IwasinGroupThree.Allgroupshaddifferenttasks.GroupOneplantedtrees.GroupTwopickeduprubbishleavingbythetouristsandcleanedbenches.AgroupthatIwasinwipedalltheequipmentsintheChildren'sHouse.Allofusworkedhardly.Beforenoontheyfinishedworking.Eachofusfeltalittletiredandwewerehappybecausewehaddoneagooddeed.
It'sabout250milesfromthehillsofwest﹣centralIowatoEhlers'homeinMinnesota.DuringthelongtriphomefollowingaweekendofhuntingEhlers1aboutthesmalldoghehadseen2alongsidetheroad.Hehad3tocoax哄thedogtohimbutfrightenedithad4. BackhomeEhlerswastroubledbythat5dog.SofourdayslaterhecalledhisfriendGregandthetwodrove6.Afteralongandcareful7Gregsawacrossafieldthedogmoving8away.Ehlerseventuallysucceededincoaxingtheanimaltohim.Nervousnessandfearwerereplacedwith9.Itjuststartedlicking舔Ehlers'face. Alocalfarmertoldthemthedogsoundedlikeone10aslostinthelocalpaper.Theadhada11numberforatowninsouthernMichigan.Ehlers12thenumberofJeffandLisatotellthemhehad13theirdog. Jeffhad14inIowabeforeThanksgivingwithhisdogRosiebutthegunshotshadscaredthedogoff.Jeffsearched15forRosieinthenextfourdays. EhlersreturnedtoMinnesotaandthendrove100milestoMinneapolistoputRosieonaflighttoMichigan.It'sgoodtoknowthere'sstillsomeoneouttherewho16enoughtogotothatkindof17saysLisaofEhlers'rescue18. Ifiguredwhoeverlostthedogwasprobablyjustas19toitasIamtomydogssaysEhlers.IfithadbeenmydogI'dhopethatsomebodywouldbe20togothatextramile. 1A.read B.forgot C.thought D.heard 2A.fighting B.trembling C.eating D.sleeping 3A.tried B.agreed C.promised D.regretted 4A.calmeddow B.stoodup C.rolledover D.runoff 5A.injured B.stolen C.lost D.rescued 6A.home B.past C.back D.on 7A.preparation B.explanation C.test D.search 8A.cautiously B.casually C.skillfully D.angrily 9A.surprise B.joy C.hesitation D.anxiety 10A.predicted B.advertised C.believed D.recorded 11A.house B.phone C.street D.car 12A.called B.copied C.counted D.remembered 13A.fed B.adopted C.found D.cured 14A.hunted B.skied C.lived D.worked 15A.onpurpose B.ontime C.inturn D.invain 16A.cares B.sees C.suffers D.learns 17A.place B.trouble C.waste D.extreme 18A.service B.plan C.effort D.team 19A.equal B.allergic C.grateful D.close 20A.suitable B.proud C.wise D.willing
在“用DIS研究机械能守恒定律”的实验中利用图a所示的器材进行实验． 1摆锤释放器的作用是． 2如图b图象中表示小球的重力势能Ep随小球距D点的高度h变化关系的图线是填图线所对应的文字 3单选题实验测得ABCD四点中只有C点速度明显偏小造成这个误差的原因最可能是 A摆锤释放的位置高于A点 B光电门放置的位置高于C点 C在A点释放的摆锤初速度不为零 D摆锤运动过程中受到空气阻力的缘故 4某同学又设计了如图c实验装置来研究机械能守恒定律水平桌面上固定一倾斜的光滑导轨导轨上A点处有一小车导轨上B点固定一个光电门传感器已知车的总质量为m重力加速度为g小车由静止沿导轨向下运动如果要验证机械能守恒定律需测量的物理量有．
假定你是李华暑假在伦敦学习得知当地美术馆要举办中国画展.请写一封信申请做志愿者内容包括: 1.写信目的; 2.个人优势; 3.能做的事情. 注意: 1.词数100左右; 2.可以适当增加细节以使行文连贯; 3.结束语已为你写好.
Helicopterparentingdescribesastyleofraisingchildrenwhereparentsareoverprotectiveanddotoomuch.Itdescribesparentswhowatchovertheirkidsathomeandontheplaygroundlikeahelicopter.Todaymoderntechnologyallowsthesehelicopterparentstowatchoverfromevenfaraway.1 JulieLythcottwroteabooktitledBreakFreeoftheOverparentingTrapandPrepareYourKidsforSuccess.Inherbookshegivesreadersacloserlookatthisparentingstyle.2 JulieLythcottsayssheexperiencedtheeffectsofHelicopterparentingfirsthandwhensheworkedasdeanoffirstyearstudents.3Butmanywereunabletotakecareofthemselves.Theywereturningtoparentsconstantlyforguidanceforproblemsolvingtohavethemmakethechoiceaboutsomething. Sowhatcanparentsdoiftheywanttobreaktheoverparentinghelicoptercycle?4 ◆Stopsayingwewhenyoumeanyoursonoryourdaughter.Alltoooftenaparentwouldsayweareonthetravelsoccerteam.Wellnoyoursonisoryourdaughteris. ◆Stoparguingwithalloftheadultsinourkids'lives.Youneedtoteachyourkidstoadvocateforthemselves. ◆Stopdoingyourkids'homework. ◆5Teachthemtocrossthestreetmakeamealandremembertoputtheirownitemsintheirbackpackswhichbecomesabriefcaseoneday. Whenkidshavealltheskillstotakecareofthemselvestheywillbepreparedforadulthood. A.Fourwaysareofferedtostopwatchingoveryourchildren. B.Shealsoexplainswhyparentsshouldstopit. C.It'sagoodideatoencourageyourkidtodothethingshecanbyhimself. D.Theycangivetheirchildrendirectionsatanymomentfromanywhere. E.Buildyourkids'skills. F.Thefreshmenwereverysmartandaccomplishedonpaper. G.Yourkidiseagerformorefreedombutshouldyougiveittohim?
UniversityofPennsylvaniaresearcherssaythatforthefirsttimetheyhavelinkedsocialmediausetoincreasesindepressionandloneliness.Theideathatsocialmediaisanythingbutsocialwhenitcomestomentalhealthhasbeentalkedaboutforyearsbutnotmanystudieshavemanagedtoactuallylinkthetwo.TodothatPennresearchersledbypsychologistMelissaHuntdesignedastudythatfocusedonWeChatSnapchatandInstagram. Thestudywasconductedwith143participantswhobeforetheybegancompletedamoodsurveyandsentalongphotosoftheirbatteryscreensshowinghowoftentheywereusingtheirphonestoaccesssocialmedia.Wesetouttodoamuchmorecompletestudywhichattemptstoimitatereallife.Huntsaid. Thestudydividedtheparticipantsintotwogroups:Thefirstgroupwasallowedtomaintaintheirnormalsocialmediahabits.Theotherthecontrolgroupwasrestrictedto10minutesperdayonsocialmedia.Therestrictionswereputinplaceforthreeweeksandthentheparticipantsreturnedandweretestedforoutcomessuchasfearofmissingoutanxietydepressionandloneliness. Theresultsshowedaveryclearlinkbetweensocialmediauseandincreasedlevelsofdepressionandloneliness.UsinglesssocialmediathanyounormallydowouldleadtosignificantdecreasesinbothdepressionandlonelinessHuntsaid. SocialmediainviteswhatHuntcallsdownwardsocialcomparison.Whenyou'reonlineitcansometimesseemthateveryoneelseiscoolerandhavingmorefunandincludedinmorethingsandyou'releftoutHuntsaid.Andthat'sjustgenerallydiscouraging.Everyminuteyouspendonlineisaminuteyouarenotdoingyourworkornotmeetingafriendfordinnerorhavingadeepconversationwithyourroommate.Andthesereallifeactivitiesaretheonesthatcanencourageself﹣esteemandself﹣worthHuntadded. Peopleareontheirdevicesandthat'snotgoingtochangeshesaid.Butasinlifeabitofcontrolgoesalongway. 1Beforethestudywasconductedtheparticipantscompletedasurveyto. A.imitatepeople'sreallife B.linklonelinesstodepression C.showtheiruseofsocialmedia D.provesocialmediaisimportant 2Theresultsofthestudyshowedusinglesssocialmediawouldresultin. A.people'sfearofmissingout B.higherlevelsofdepression C.obviousreliefinloneliness D.lowerlevelsofhappiness 3InHunt'sopinionwhichactivitybenefitsmoretomentalhealth? A.Hikingoutwithfriends. B.Makingcomparisonwithothers. C.Playingcomputergamesinsparetime. D.Loggingontosocialmediaandhavingfun. 4Whichcanbethebesttitleofthepassage? A.AStudyonSocialMedia. B.HowtoImproveMentalHealth. C.PeopleAddictedtoSocialMedia. D.SocialMediaInfluencesMentalHealth.
某同学利用如图电路测定一个未知电阻R0的阻值和电源电动势电源内阻不计已知R1＝R2＝R3＝2Ω当电键S1闭合S2断开时电压表读数为0.8V当电键S1S2都闭合时电压表的读数为1V该电源的电动势为V当电键S1闭合S2断开时电阻R0的阻值为Ω．
WeworkwithCambridgeCountyCouncil'sParticipationTeamtocreateopportunitiesforyoungpeopletovisittheUniversityandlearnmoreaboutit.Thefollowingeventsarescheduledforthe2019/2020academicyear. SuperStarworkshops 12engagingworkshopsareplannedforyoungpeopleaged7to11.Thesehalf﹣dayvisitswillbeheldthroughouttheyearattimeswhenyoungpeoplearenotatschool.Ifparticipantscomplete8ofthe12workshopstheywillbeawardedthenationallyrecognisedSuperStarCrestAward. Pleasenoteworkshopswillonlyrunifwehaveasufficientnumberofattendeesusuallyaround3+participants. ExploreUniversityDays ExploreUniversityDaysareforyoungpeopleaged12﹣15.ParticipantsvisittheUniversityfortwodaysandengagewitharangeofuniversity﹣relatedworkshopsandotherfunactivities. Previousparticipantshaveengagedwiththefollowing: •VisitedtheSportsCentre •TookpartinaNeuroscienceworkshop •Enjoyedatwo﹣coursemealataUniversityCollege DateswillbeconfirmedinearlyDecember2019andascheduleforeventwillfollowintheNewYear. Eventsforpost﹣16students Ifyouarestudyingforyourpost﹣16qualificationsandareconsideringapplyingforCambridgeorwouldliketofindoutmoreaboutaspecificsubjectthefollowingeventsmightbeforyou: •UniversityandCollegeOpenDays •SubjectMasterclasses •CambridgeScienceFestival 1WhatcantheparticipantsdoinSuperStarworkshops? A.Tostayonlyhalfaday. B.Togetagift. C.Toenjoyafreemeal. D.Tovisitallthe12workshops. 2WhicheventisspeciallyforapplicantsofCambridge? A.SuperStarworkshops. B.TheNeuroscienceworkshop. C.ExploreUniversityDays. D.Eventsforpost﹣16students. 3Theeventsinthepassagemostprobablyaimto. A.introducesomecourses B.advertiseCambridgeUniversity C.enrichstudents'sparetimelife D.promotechildren'sinterestintouring
假定你是李华为了庆祝新年你所在的社区将举办一次剪纸paper﹣cutting展览.你校交换生Mike对这一中国传统民间艺术非常感兴趣请你用英语写一封邮件邀请他参加.要点如下: 1展览时间及地点; 2展览内容. 要求: 1字数:100字左右.邮件的开头和结尾已给出不计入总词数. 2可适当增加细节以使行文连贯. DearMike Yours LiHua
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