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【实验探究题】 某化学兴趣小组将光亮铜片放在酒精灯火焰上灼烧，发现表面变黑，他们对黑色物质来源产生了兴趣，铜片表面黑色物质是什么呢？ 【猜想与假设】甲认为：铜片表面的黑色固体是烟灰． 乙认为：...
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准备几小片铜片探究金属铜的化学性质.请你参与下列探究发现问题将一小块铜片放在酒精灯火焰上加热片刻铜片
某兴趣小组同学改进了还原氧化铜的实验在用少量水润湿的木炭上均匀地洒上少许氧化铜粉末接着在酒精灯火焰上
学完九年级上册第七单元课题1燃烧和灭火后某学习小组同学仿照课本实验原理在家里进行燃烧的条件探究.请你
酒精灯是实验室中常用的加热仪器为了探究酒精灯各层火焰温度的高低某同学点燃酒精灯仔细观察酒精灯火焰的分
同学们在化学实验活动课上对燃烧的条件进行探究1用棉花分别蘸取酒精和水放在酒精灯火焰上加热片刻观察到的
将大肠杆菌菌种从菌种试管接种到另一支试管的操作下列说法有误的一项是
整个接种过程都要在酒精灯的火焰附近进行
接种环放在酒精灯火焰上灼烧之后即可伸入菌种试管挑取少许菌种
菌种试管口和待接种的试管口接种前后都要通过酒精灯火焰2至3次
带菌的接种环应在培养基斜面上由底部向上轻轻划“S.”型曲线
酒精灯是实验室中常用的加热仪器.为了探究酒精灯各层火焰温度的高低某同学点燃酒精灯仔细观察酒精灯火焰的
.酒精灯是实验室中常用的加热仪器某化学兴趣小组同学对酒精灯进行如下探究【探究活动1】酒精灯火焰的那部
酒精灯是实验室中常用的加热仪器为了探究酒精灯各层火焰温度的高低某同学点燃酒精灯仔细观察酒精灯火焰的分
某研究性学习小组为研究酒精的燃烧进行了如下探究活动1点燃酒精灯观察到酒精灯的火焰分____层将一根火
某兴趣小组的同学改进了还原氧化铜的实验在用少量水润湿的木炭上均匀洒少许氧化铜粉末接着在酒精灯火焰上
酒精灯是实验室中常用的加热仪器.某化学兴趣小组同学对酒精灯进行如下探究【探究活动1】酒精灯火焰的那部
将一块光亮的纯铜片放在酒精灯火焰上灼烧表面变黑．对黑色物质的来源提出你的二个预测假设并设计一个或几个
酒精灯是实验室中常用的加热仪器为了探究酒精灯各层火焰温度的高低某同学点燃酒精灯仔细观察酒精灯火焰的分
4分酒精灯是实验室中常用的加热仪器为了探究酒精灯各层火焰温度的高低某同学点燃酒精灯仔细观察酒精灯火焰
酒精灯是实验室中常用的加热仪器某小组同学对酒精灯火焰温度进行探究．取一根火柴梗拿一端迅速平放酒精灯
用坩埚钳夹取一块铜片放在酒精灯火焰上加热可看到反应的化学方程式为．
下列实验中没有气体产生的是
向碱式碳酸铜中加人稀盐酸
在酒精灯火焰上加热铁丝
将水放在试管中加热至沸腾
将镁带浸在白醋中
酒精灯是实验室中常用的加热仪器某化学兴趣小组同学对酒精灯进行如下探究【探究活动1】酒精灯火焰的那部分
右图所示的火三角表示燃烧的条件以下实验中能证明燃烧需要可燃物的是▲
用棉花分别蘸取酒精和水放在酒精灯火焰上加热
将一小块乒乓球碎片和滤纸碎片分别放在薄铜片的两侧，加热铜片的中部
将燃着的蜡烛用烧杯倒扣到桌面上
汽油、柴油失火立即用水基型灭火器扑灭
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Margiewasthebesthostess.Shegreetedeveryoneatthedoorandshe41candiesandoffereddrinks.Margie42thateveryonehadagoodtimeandthatabsolutelyeverythingwas43ButthiswasnotMargie'sparty.Shewasa44atthepartylikeeveryoneelseandyetsheactedasifsheownedthe45.Shewantstobe46andneedstobeincontrol.IusedtobelikeMargie47tocontroltheuncontrollable.Ifelt48thefeelingsandactionsofthepeoplearoundme.MybodyachedduetotheweightIputonmyown49. OnedaywhileIwasoutwithafriendIrealizedhowfarmydesirefor50hadgotten.AsItalkedtomyfriendastranger'stowelwasblownaway.I51invainforthetowel.MyfriendcalledmeonitandI52realizedtheextent程度mysenseofresponsibilityhadgotten.RealizingIwas53livingmylifeIhadtomakean54. Ifweturnto55weseethatitdoesnotfightforcontrol.Astreamdoesnottryto56itsowncoursewatersimplyflowsthepathofleastresistance.A57doesnotcreateanexactflightplanaplanetrustsitsinnerguidancesystemandadapts58tonewwindcurrents气流andobstacles. Nexttimeyoutrytocontroltheuncontrollabletakeabreath.59andwait.Youwillfindthingscanbebetterwithlesseffortandin60waysyoucouldnothaveimagined.Andyouwillfindaloveoflifeagain. 41.A.bought B.produced C.collected D.passed 42.A.admitted B.remembered C.ensured D.recognized 43.A.perfect B.different C.convenient D.cheap 44.A.customer B.guest C.servant D.neighbor 45.A.place B.company C.team D.land 46.A.insecret B.intime C.inorder D.incharge 47.A.helping B.agreeing C.trying D.learning 48.A.angryabout B.responsiblefor C.contentwith D.sensitiveto 49.A.shoulders B.sides C.dreams D.feet 50.A.energy B.wealth C.happiness D.control 51.A.asked B.begged C.rushed D.waited 52.A.finally B.frequently C.totally D.unfortunately 53.A.often B.nearly C.just D.seldom 54.A.change B.promise C.order D.report 55.A.money B.space C.nature D.society 56.A.carry B.offer C.invite D.direct 57.A.train B.tree C.bird D.plane 58.A.suddenly B.eventually C.possibly D.easily 59.A.Struggle B.Relax C.Return D.Decide 60.A.interesting B.amazing C.exciting D.confusing
IwasluckyenoughtohaveachancetostudyintheUnitedStatesasaninternationalstudentfromUkrainewhenIwasfourteenyearsold.IwenttoawonderfulschoolWestCatholicHighSchoolformyfreshmanyear. Iremembermyfirstdayatthatschoolasifitwereyesterday.IwasverynervousandIcouldfeelmyheartbeatonthetipsofmytoes.MymainfearwasthatIwouldnotbeabletoexpressmyselfduetothelanguagebarrier.IwastryingtohaveaslittlecommunicationasIpossiblycould.AndIalmostsucceededuntilwehadtointroduceourselvesinfrontoftheclass. AndthemomentthewordinternationalflewoutofmymouthIwassurroundedbythirtypeoplewhowereaskingquestionsoneafteranother.IremembersomeofthequestionswereWhereisUkraine?Isitakingdom?DoyouhaveMcDonald's?Doesittastethesame?andSaysomethinginyourlanguage.Itturnedouttobetheoppositeoflesscommunicationbutitwassomuchfun. DuringthefirstthreemonthsIcertainlyexperiencedabitofculturalshock.IthinkAmericansarethenicestpeopleIhaveevermetinmyentirelife.TheyalwayssmileandsayHihowareyou? OnedayInoticedthestudentslookingatmesuspiciously.FinallymyclassmatecameuptomylockerandwhisperedIsthattruethatyouareaprincessandthatyoucametostudyheresothatnobodywouldrecognizeyou?AtonepointIevenhadanimageofmyselfwearingagown长袍andwavingatthecrowd.What?Peopledohaveawildimagination! DuringmystudyabroadexperienceIsawatotallynewworldexperiencedgreatculturemetalotofincrediblepeopleandimprovedmylanguage.Thistripinspiredmetolearnforeignlanguages.ThatisoneofthereasonswhyIspeakfivedifferentlanguagestoday. 25.Whywastheauthorafraidonthefirstdayofschool? A.Becauseshewaseagertotalkwithothers. B.Becauseshecouldn'tlearnanewlanguagewithoutateacher'shelp. C.Becauseshewasnotgoodatthesubjectsinthisschool. D.Becauseshecouldnotcommunicatewithotherswell. 26.Whathappenedwhenthewordinternationalflewoutoftheauthor'smouth? A.Herclassmatesshowedinterestinhercountry. B.Herclassmatesplayedajokeonher. C.Herclassmateswereeagertomakefriendswithher. D.Herclassmatestriedtoknowlessabouttheauthor'shometown. 27.Whatcanwelearnfromthetext? A.TheauthorwasaprincessfromUkraine. B.Theauthorcouldn'tadapttotheschoolenvironmentlater. C.Theauthorgotlotsofbenefitsthroughstudyingabroad. D.Theauthoralwaystoldherclassmatesaboutherculturalbackground.
在如图所示的眼睛及矫正的示意图中下列说法中正确的是
Inourdailylifeweneedlearnmanygoodthings.Toforgiveisoneofthem.Weknowitisavirtuebutnoonehaseversaiditiseasy.Whensomeonehasdeeplyhurtyouitcanbeextremelydifficulttoletgoofyourhate.Howeverforgivenessispossibleanditcanbesurprisinglybeneficialtoyourphysicalandmentalhealth.Peoplewhoforgiveshowlesssadnessangerandstressandmorehopefulnessaccordingtoarecentresearch. 1.Trythefollowingsteps Trytocalmyourself.2.Youcantakeacoupleofbreathsandthinkofsomethingthatgivesyoupleasureabeautifulsceneinnatureorsomeoneyoulove.Don'twaitforanapology.Manytimesthepersonwhohurtyoudoesnotintendtoapologize.Theymayhavewantedtohurtyouortheyjustdon'tseethingsthesameway.3.Keepinmindthatforgivenessdoesnotnecessarilymeanbecomingfriendsagainwiththepersonwhoupsetyou. Takethecontrolawayfromyouroffender冒犯者.Rethinkingaboutyourhurtgivespowertothepersonwhocausesyoupain.Insteadoffocusingonyourwoundedfeelingslearntolookforthelovebeautyandkindnessaroundyou.4.Ifyouunderstandyouroffenderyoumayrealizethatheorshewasactingoutofunawarenessfearandevenlove.Youmaywanttowritealettertoyourselffromyouroffender'spointofview. Don'tforgettoforgiveyourself.5.Butitcanrobyouofyourself﹣confidenceifyoudon'tdoit. A.Howshouldyoustarttoforgive? B.Forsomepeopleforgivingthemselvesisthebiggestchallenge. C.Tomakeyourangerdieawaytryasimplestress﹣managementtechnique. D.Whyshouldyouforgive? E.Trytoseethingsfromyouroffender'sangle. F.Recognizethebenefitsofforgiveness. G.Ifyouwaitforpeopletoapologizeyoucouldbewaitinganawfullylongtime.
如图所示现象中利用做功使物体内能增加的是
如图所示的电阻箱的示数为Ω．
“道路千万条安全第一条”．为了保证道路的交通安全现在许多道路上都会安装有电子眼．如图甲所示是某十字路口处安装的“电子眼”图乙为“电子眼”监督路面交通情况时拍下的照片．下列分析正确的是
ThesecondMondayinOctoberintheUnitedStatesisColumbusDay.Itisafederalholiday.TheholidayhonorsthefirstvisittoAmericabytheItalianexplorerChristopherColumbus.ColumbusthoughthecouldreachtheFarEastbysailingwestacrosstheAtlanticOceanfromEurope. Hewasright.Buthewasalsowrong.Hethoughttheworldwasmuchsmallerthanitis.HedidnotimaginethatanothercontinentandanotherhugeoceanlaybetweenEuropeandEastAsia. ColumbusandhiscrewarrivedinOctober1492onanislandtheycalledSanSalvadorintoday'sBahamas.ColumbusbelievedthesewerethecoastalislandsofEastAsiaandthencalledtheIndies.ThatiswhyhecalledthepeoplewholivedontheislandsIndians.HerefusedtoaccepthewaswrongaboutthegeographyeventhoughlocalplantswhereheexploredwereunknowninEuropeorAsiaandnativepeopledidnotunderstandanylanguagesspokenintheEast. ManypeoplehavepointedoutthatChristopherColumbusneverrecognizedwherehereallylanded.OtherEuropeanexplorer.sdidlandinwhatisnowtheUnitedStates.ButnotColumbus.MoreimportantlysomesayColumbusdidnotdiscoveranewworldmanynativepeoplealreadylivedhere. CriticsofColumbusDayalsostronglyobjecttotheholidaybecauseColumbustreatednativepeoplecruelly.HeimprisonedsomeoftheWestIndiansforcingthemtoservetheEuropeansorsearchforgold.Hecontrolledpartsofthepopulationwithviolenceandoppression.InadditionColumbusandhisfellowEuropeanvoyagersforcednativepeopletoacceptChristianity.Andtheybroughtnewdiseasesthatsickenedandkilledmanyofthenativepeople.Columbus'arrivalintheCaribbeanwasdestructivetothepeoplethere. EventhoughColumbusDayisoneofthemostdoubtfulholidaysintheU.S.calendarscholarssaytheoriginsofColumbusDayaimedtobringAmericanstogether.In1892PresidentBenjaminHarrisoncalledonthecountrytoobserveColumbusDayandtoreflectontheirachievementsinthe400yearssinceColumbuslandedinSanSalvador. 32.WhydidColumbusfailtoreachtheFarEast? A.Hewentinthewrongdirectionofhisvoyage. B.Helackedenoughgeographicknowledge. C.Hrstheoryprovedtobewronginpractice. D.Hedidn'thavegoodenoughimagination. 33.WhichofthefollowingbestdescribesColumbus? A.Cautious. B.Honest. C.Stubborn. D.Modest. 34.WhatdoesParagraph5mainlytalkabout? A.GreatharmColumbusbroughttothenativepeople. B.VariousChangessinceColumbuslandedthere. C.ThewayhowColumbuscontrolledthenativepeople. D.ConflictsoccurringbetweenColumbusandthenatives. 35.WhatwastheoriginalpurposeofcreatingColumbusDay? A.TohonourtheUnitedStates. B.Togetrelaxedfromwork. C.TouniteAmericanpeople. D.ToshowprogressofAmerica.
如今旅游成为了人们放松休闲的一种方式但是同时出现了一些不文明的行为比如乱涂乱画乱扔垃圾等.请你就这种不文明现象写一篇发言稿.内容应包括 1.游客的一些不文明的行为 2.树立良好形象从我做起 3.增强环保意识制止不文明行为. 注意1.词数100左右 2.可以适当增加细节以使行文流畅. 参考词汇不文明行为uncivilizedbehavior刻画scratch .
Ifyoucaneasilyearn2500USDhowwouldyoufeel?Allyouhavetodoistositaroundandwaitforyourmeals.There'sacatchhowever.Youhavetostayinachickencagewithastrangerforawholeweek.Therearenobooksortelevisionorradioforawholeweek.Therearenobooksortelevisionorradioforamusement.Youcan'tleaveuntiltheweekisup.Andacamerawillberecordingyoureverymove. TheideacamefromRobThompsonavideoartist.Hewantedtomakeafilmaboutthewayanimalsaretreated.Hisgoalwastoraisepeople'sawareness认识ofthelivingconditionsofanimalsthatareraisedforfood.Hedecidedtopay5000USDoutofhisownsavingstotwopeoplewhowerewillingtolivelikechickensforaweek. ToRob'ssurprisequiteafewpeopleansweredhisadvertisement.Finallytwopeopletookthisexperiment.TheyareErica24﹣year﹣oldrestaurantworkerandPama27﹣year﹣oldchemist.Theplanwasforthemtospendsevendaystogetherinachickencagethatwassixfeetlongandthreefeetwide.Acamerawouldrecordtheirexperiencewhichwouldtakeplaceinanartmuseum. Theweekwaslonganddifficult.Theysleptonahardwoodenfloor.Theycouldn'tstandupwithoutbangingtheirheads.Theyatemashakindoffoodforanimalsanddrinkwaterfromagardenpipe.Theironlyprivacy隐私wasatoiletsurroundedbyacurtain.Therewerenosinksmirrorsortoothbrushesinthecage.VisitorswhocameherewerewarnedDonotfeedthehumans. AftertheweekPamandEriccameoutofthecage.Theyhadsurvivedtheweekandtheyeachhada2500USDcheckintheirhands.WhenRobThompsonopenedthecageEriccameoutchangedintocleanclothesandateachocolatebarrightaway.It'sgreatformetobeabletostandup.hesaid.Pamjustchangedherclothesandleft.Afteraweekofvisitorsandreporterswatchinghershedidn'twanttotalktoanyone. 1TheunderlinedwordcatchinParagraph1probablymeans. A.unsolvedproblem B.hiddendifficulty C.surprisingwonder D.unbelievablecondition 2RobThompsonofferedthejobinorderto. A.Showhowterriblysomeanimalsaretreated B.Makeafilmabouthumansandanimals C.Experimentonhowlongahumancanliveinacage D.Advertiseforhisexperimentaboutanimals 3WecaninferfromthepassageWhatmadeitthemostdifficultforthetwotostayinthecage? A.Thattheycouldn'tliedowntosleepinthecage. B.Thattheydidn'thavemeattoeat. C.Thattheyhadtodoalmosteverythinginpublic. D.Thattheyhadnothingforfun. 4Whatwouldbethebesttitleforthispassage? A.AnEasyWaytoEarn﹩2500 B.LivingLikeaChicken C.GettingAlongWellAnyway D.DoNotTreatAnimalsBadly
AfternoticingthathereightgradestudentshadproblemsfocusingduringmathclassaNorthCarolinateacherdecidedtochanneltheirenergyinadifferentway﹣cycling. Itdoesn'tsoundlikethemostcommonthingtododuringmathclassbutBethanyLambethateacherfromWakeCountysaysthateversinceshefixedcyclingmachinesunderherstudents'deskstheyaremorefocusedandmostimportantlytheyarenolongerfidgeting烦躁allthetime. Beforetheyweredrummingontheirdeskstheyweretouchingotherpeopletheydon'tdothatanymore.Theirfeetaregettingthemovementoutshesaid.Therehasbeenahugeincreaseinthequalityofourstudent'sworkandadecreaseintheamountofmissingwork. Lambethfixedthecyclingmachinesattheendoflastyearpayingaround$150foreachwhichincludesawarranty授权.Thecostwascoveredbydonationsandamoneyfromthe4﹣Cfund.Notax﹣payermoneywasusedbutjudgingbytheresultsobservedbytheWakeCountyteacherthismightbeasolutionauthoritiesmightwanttolookinto.AfterlearningaboutthesuccessofLambeth'sprojectschoolofficialsareparticularlyexcitedabouttherolecyclingmachinescouldplayinSpecialEducationclasses. Thekidsobviouslylovethenewtoys.SofiaFedeleoneofLambeth'sstudentssaidcyclinghelpsherfocusonherworkduringclass.Iusuallytapmyfeetandsoonjustbecauseitkeepsmefocusedshesaidaddingthatpedaling踩踏板ismuchbetter.Itkeepsmeexercisingandfocused. 29.WhydidLambethfixcyclingmachines? A.Todirectstudents'energy. B.Togetonwellwithstudents. C.Toraisestudents'healthconsciousness. D.Toprovidestudentsawaytoloseweight. 30.Whatwilltheschooldonext? A.ToraisemoremoneyforLambeth. B.Toobservetheeffectofcyclingmachines. C.Tofixmorecyclingmachinesintheclassrooms. D.Tocallonparentstofixcyclingmachinesathome. 31.WhatdoesSofiaFedelethinkofpedaling? A.Disappointing.B.Useless.C.Exciting.D.Beneficial.
小明体重600N用由AB两个滑轮组成的滑轮组向上提升1000N的重物C如图所示．提升的过程中小明用大小为550N且竖直向下的力拉动绳子使物体C以0.4m/s的速度匀速上升．若不计绳重及轮与轴的摩擦则下列说法正确的是
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短文.短文中共有10处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∧并在此符号下面写出该加的词. 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. TodaywasSundayandmyauntinvitedmetoherhomeinthecountryside.Shewantedtoopenagrocerystoreorholdanopeningceremony. Iwenttherebybusearlyinamorning.Onmyarrivalmanypeoplehadgatheredtheremostofthatwereherfriendsandrelatives.Theyallcametosaycongratulation.Hershopwasquitebeautifuldecoratedwithcolourfulflags.Shealsodressingmeinnewclotheswitharedbelton. Whentheceremonystartedwefiredmanyfireworks.Hisauntmadeashortspeechsayingthankstheguests.Latershetreatedasmewithadeliciousmeal.Iwishherasuccessbusiness.
如图所示小宁利用该实验电路测量未知电阻Rx的阻值．电源两端电压不变滑动变阻器的最大阻值为R0．当只闭合开关S滑动变阻器的滑片P滑到最右端时电流表示数为I1当滑动变阻器的滑片P滑到最左端时电流表示数为I2．下列四个选项中Rx的表达式正确的是
Atanydiscussionofajoboffermoneycanbeadealbreaker.Negotiatinganattractivedealhowevercanbehardformanyjobcandidatesbecausetheylackthenecessaryskillsorsimplybecausethey'retooconcernedthatpushingforahighsalarycancostthemthejob. Thesefactorscertainlycanbehurdles障碍butitdoesn'tmeanthatyougiveuptryingtogetthebestdealyoucanget.Needlesstosayifmoneyisn'tabigfactorinyourdecisionyoustillneedtomakesurethatthedealyou'reacceptingisfaircomparedtowhat'sofferedinthemarket.Sellingyourselfshortoncecanimpactyourfuturesalariesandsetyoubackfinancially. Herearecommonmistakesthatmanyjobseekerscommitinnegotiatingmoney. Negotiatetooearly.Timingisofessenceinanynegotiationandnegotiatingasalarytooearlyintheprocesscancostyoudearly.Manyemployersinfactrankthisasoneofthebiggestmistakesjobcandidatesmake.Thebesttimingtobeginasalarydiscussionisafteryouandyourfutureemployerarenearlysurethatyou'vebeenselectedfortheposition. Abandonprofessionalism.It'scommonthatpeopleaftergoingthroughalongrecruitmentprocesscanbeshockedthatthesalaryofferedissignificantlybelowtheirexpectations.Ifyoufindyourselfinthissituationdon'tabandonyourprofessionalattitudeorthrowafit.Thislikelywillgetyounowhereexceptthedoor. There'retwooptionstothissituationthefirstisthattheemployerisinflexible不灵活的aboutthebudgetandinthiscaseyoumayjustleaveandmakeagracefulexitfromthehiringprocess. Thesecondoptionisthatthere'ssomenegotiationroomforthehiringmanagerwithotherdecisionmakersintheorganization.Ifthisisthecaseyoumaybesurprisedthatafinalpushwithapositiveattitudeandawell﹣deliveredpresentationaboutyourskillsandmarketpricecangetyouclosertoyourexpectedsalary.Stillifthisisnotacceptableyoudon'thavetotakeit. 32.WhatisthemostdifficultformostjobseekersatthediscussionofmoneyaccordingtoPara.1? A.Beingtoodifficulttohandlethemoney.B.Nothavinggotcertainskills. C.Thefirstnecessarystep.D.Lackingagoodchancetogetajob. 33.WhatdoestheunderlinedpartthrowafitinPara.5mean? A.Getexcited.B.Getangry.C.Becomeamused.D.Bedelighted. 34.Whatshouldyoudoifyouareofferedanunsatisfactorysalary? A.Askforahighersalary. B.Immediatelygiveupthejob. C.Justcalmdownandfigureoutthesituation. D.Trytoproveyouarethebestcandidateforthejob. 35.Whatisthemainpurposeofthepassage? A.Tooffertipsonsalarynegotiation. B.Totellcommonmistakesinourdailywork. C.Tohelpemployeesgetalongwellwiththeiremployers. D.Tohelppeopleperformwellinjobinterviews.
在紧张的高三备考阶段英语杨老师为了提高复习效率广泛征求学生意见并借此训练学生的书面表达能力.假如你叫李阳请根据以下提示给老师写封信表达你的需求和建议. 写作要点 1.为夯实基础适当放慢进度留出思考和消化的时间 2.请反复训练易错的知识点提供典型试题 3.指导写作方法 4.……个人补充 注意 1.短文必须包括以上要点以及个人的补充要求或建议不要逐句翻译可适当增加细节以使行文连贯. 2.词数100个左右.开头已给出不计词数. 提示词夯实的基础asolidfoundation消化digest DearMr.Yang Thankyouforprovidinguswithanopportunitytoshareourviews. Inthecourseofthegeneralrevision Yours LiYang
Belowaresomebestspecialinterestingholidays﹣allarenewfor2016andhavehighqualityguidesortutorsandstrongprogrammes. 1.HollandinbloomrivercruisewithAlanTitchmarsh AlanTitchmarshisthestarattractiononthisrivercruise.AlanjoinsyouforavisittothemagnificentKeukenhofGardens﹣hometo800varietiesoftulips郁金香.TheTelegraph'sgardeningexpertwilltalkaboutthebestnewvarietiesandthegarden'shistory. April19£1495includingflightsfromtheUKandsomemeals.TelegraphTours01612362444telegraph.co.uk/titchmarshtour. 2.MoroccoSketchbook LedbyartistMaxineReltonthistourtakesinMarrakeshhelpingyoudevelopyourdrawingskills.Rapidlineandfiguredrawingandcolourmixingareallcoveredandtheeight﹣dayholidayisbasedinKasbahduToubkal. May8£2495includingsomemeals.SteppesTravel01285601495steppestravel.co.uk. 3.BallroomandLatinAmericandancinginTenerife ThistravelprovidesdailydancetuitionwithDavidBowiewho'llbeonhandtoteachdancingtechniques.Itisaimedbothatthebeginnersandmoreexperienceddancerslookingtoimprovetheirskills.There'llalsobetimetoexploretheislandonfootorplayaroundofgolf. April26£769full﹣board.Saga08000960084travel.saga.co.uk. 4.FishinginNorthernArgentina Thisnine﹣dayflyfishingandconservationtourtakesintheIberáMarshlandstheworld'ssecondlargestwetlands.HereexpertfishermanCharlesJardineistheguideasyoufish.BasedinEstanciaRincondelSocorrotheholidayalsoincludesopportunitiesforhorseridingandbird﹣watching. October15£5095full﹣board.Cazenove+Loyd02038135082cazloyd.com. 1WhomightbeinterestedintheMoroccoSketchbookholidaytrip? A.Amateurpainters. B.Birdwatchers. C.Sportslovers. D.Photographicamateurs. 2Whichnumbershouldyoucallifyouwanttoimproveyourdancingskillsonthetrip? A.01612362444 B.01285601495 C.08000960084 D.02038135082 3Onwhichtripcanpeopleridehorses? A.MoroccoSketchbook. B.FishinginNorthernArgentina. C.BallroomandLatinAmericandancinginTenerife. D.HollandinbloomrivercruisewithAlanTitchmarsh. 4Whatcanweknowfromthepassage? A.MaxineReltonisanexpertfisherman. B.MoroccoSketchbooklaststhelongest. C.TwoholidaystakeplaceinApril. D.ThetripsledbyartistCharlesJardineisthemostexpensive.
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. I'vehadalotofwonderfullyexperiencesduringSeniorHigh.AmongthemanythingbetweenmyclassteacherandIisthemostunforgettable. IwasaddictingtoonlinegamesinSeniorOnewhichmeantIwasunabletoconcentratemystudies.Learningthismyclassteacherwantedtohelpmeoutbycompetewithme.HesaidIwouldhavetoplaygameslessunlessIwasbeaten.IwassoconfidentthatIagreed.ThereforeIwastoldlaterourclassteacherwasgoodattheonlinegames.Youcanimaginetheresultofourcompetition.FromthenonIpromisedIwillspendmostofmytimeonmylessons. Ican'tthankmyteacherstoomuchforhishelp.
IwascomingbackfromhomelateatnightinaSharingminivan面包车.InHyderabadIndiaitisa41andquickwayoftransport.Thevandriverscarryasmanyas13people42inavehiclewhichisbuiltforthe43of8people.Ourvanwasover44aswell.Peopleweregettingoffandonatmany45. Onegirlsignaledthedriverto46.Shegotoutofthevan.Whilegettingdownsheslippedandfell.Noneofusnoticeditasitwas47.Thedriverwaswaitingforhertopay.Itwasthenthatwesawthatthegirlwasonherkneesbythesideoftheroad.Another48andIgotdownandheldherup. 49inpainsheheldupanoteandaskedusto50thedriver.Theotherpassengertookthenoteandpaidthedriver.Mystopwasafewhundredmetersaway.Idecidedto51hertillshewasreally52.Ipaidupthedriverformyselfandhetookoff. IneitherknewhernordidIknow53todo.ButIwastheresayingsomecomfortingwordstoa54inpain.Sometimelaterherfriend55us. Wemadehersitinthenearbygrassandherfriendrushedtogetwater.Inthemeantimeshe56herleg.Itlookedlikeaminorsprain扭伤.Onceherfriendcamebackthey57acarandrushedtoanearbyclinic.She58meandsaidtheycouldmanageasitwasonlyaminorsprain. IdonotknowifIdid59ButIfeelIgavesome60toherinasmallway. 41.A.expensive B.pleasant C.cheap D.dangerous 42.A.attimes B.onpurpose C.atpresent D.bychance 43.A.comfort B.convenience C.rest D.transport 44.A.furnished B.crowded C.used D.loaded 45.A.cities B.places C.factories D.chances 46.A.stop B.help C.continue D.notice 47.A.unusual B.distant C.late D.dark 48.A.driver B.nurse C.passenger D.conductor 49.A.Ever B.Even C.Never D.Yet 50.A.judge B.reward C.employ D.pay 51.A.takewith B.pickup C.staywith D.turnto 52.A.fine B.awake C.healthy D.energetic 53.A.when B.where C.why D.what 54.A.friend B.stranger C.partner D.teenager 55.A.ignored B.concerned C.joined D.calmed 56.A.examined B.protected C.touched D.treated 57.A.sent B.bought C.shared D.hired 58.A.questioned B.thanked C.praised D.honoured 59.A.enough B.right C.exactly D.rudely 60.A.encouragement B.respect C.comfort D.determination
关于分子动理论和内能下列说法中正确的是
如图所示的电路是由两节干电池一个开关两只小灯泡和几根铜导线组成小灯泡L1和L2分别标有“2.5V0.3A”“3.8V0.3A”．当开关闭合后小灯泡均发光下列说法正确的是
随着低碳理念的不断深入自行车成为绿色出行的重要交通工具．下列有关自行车为了减小摩擦的是
假定你是李华正在英国姐妹学校访学住在当地人家里.今天你的房东Brown太太不在家.你要去图书馆请给她写一张留言条内容包括 1.不回家吃晚饭 2.邻居Mary送来蛋糕并邀请房东明天午餐请房东给Mary回复 注意 1.词数100左右 2.可以适当增加细节以使行文连贯. 注各校自行制作答题卡时书面表达内容可参照如下 MrsBrown LiHua
ToaChineseEnglishisnotsoeasytolearn.LikealltheotherEnglishlearnersI1meetmanydifficultiesinthepastsevenyearsinlearningEnglish.ButImanaged2overcomethemandmakemuchprogress. IcanwellrememberthatthespellingandmeaningofwordsisthefirstdifficultyImetasabeginner.ButIfoundoutmyownwaytodealwiththem.AstospellingInevercopied3newwordagainandagaintorememberit.AstomeaningIrarelyreciteitsChinese4translatebutoftenputthewordintothesentencetolearnitsmeaning.Moreover5youuseawordquiteoftenitsspellingandmeaningwillbenoproblem.AfterallwearelearningEnglishinordertospeakitortouseit.Grammarandidiomsmaybeanother6difficult.ButIhavealsogotoverit.Ihavenotreadlotsofgrammarbooks.Ionlyknowsomeordinarygrammaticalrules.BydoingsoIcometotasteoutasenseofEnglishlanguage.Icanfeel7asentenceisgoodEnglishornot.8finalIwanttosaythatovercomingallthesedifficultiesneedsperseverance.EverydayIspentatleastanhour9Englishinthepastsevenyears.Ibelievethisisanimportantreason10I'mabletomakeprogressinlearningEnglish.
TipsforShorteningHomeworkTime Homeworkcanbealonghardtaskformanystudents.36Stayingfocusedonthetaskathandwhileavoidingdistractions干扰isanotherstrugglethatmanystudentsface. Herearesomestrategiesyoucantrytomakehomeworktimeshorterandeasier. 1.Powerdownelectronics.Whilestudentsthinktheymayneedtheircomputersforcompletingtheirassignmentsdevicescanoftenbemoreofadistractionthanhelpfultoolsforgettinghomeworkdonequickly.37 2.Getalittleexercise!Beforebeginninganyhomeworktryhavingyourchilddancetomusicorevendoafewpush﹣ups.38Theywillalsohelpstudentsfinishhomeworkinamoreefficientmanner.Whilesomestudentsarefinestartingtheirworkrightafterschoolothersbenefitfromthistypeofphysicalactivitybeforebeginningtheirschoolwork. 3.39Somestudentsmightpreferadeskintheirroomwhileothersmayuseatableinanofficespaceorplayroom.Anyofthesechoicesworkfineaslongastheyareinaquietareawithminimalnoise. 4.Arrangebreaktimeswisely.40Andtheywillrewardthemselveswithabreakaftereachpartiscomplete.Forinstancetheymightstartwiththeirfirstassignment.Oncethatiscompletetheycangivethemselvesafive﹣minutebreakforasnack.Butmakesurethebreakdoesn'textendbeyondthelimitedtime. Withthesestrategiesyourchildwillbecomemoreefficientandcancompletehomeworkmuchfaster. A.Findaquietareatowork. B.Lookforadeskoratabletouse. C.Studentsoftendividetheirhomeworkassignmentsintoseveralparts. D.Thesetypesofphysicalexerciseswillhelpincreasealertnessandfocus. E.Doingsomephysicalexercisescancontributetogoodhealth. F.Sometimesthesimpletaskofsittingdownandgettingstartedcanbeachallenge. G.Encourageyourchildtopowerthemoffandonlyusethemwhennecessary.
某兴趣小组的同学想利用热敏电阻制作一个简易电子温度计．他们首先测量了该热敏电阻R的阻值随温度变化的关系并绘制成如图甲所示的图象．然后找来一台电压恒定的电源一块电压表定值电阻R0开关和一些导线按照图乙所示的电路连接制作成一个电子温度计．关于这支电子温度计下列说法正确的是
AnewmovieThe33tellsaboutthefamous2010miningaccidentinChile智利.The100﹣year﹣oldSanJosecopperandgoldminecollapsedovertheheadsof33mineworkers.Thecollapselefttheminers700metersunderground. Thefilm'sdirectorPatriciaRiggenattemptstorevisitthedaysofsufferingforthemenbelowandtheirfamiliesabove. FiveyearsagolackofsafetywasanacceptedfactoflifeattheSanJosemine.Inthefilmthe33menstarttheirlonganddifficultfallthroughatunnelintotheirworkarea.Butbeforetoolongdisasterstruck.Afterthetunnelcollapsetheminerscrowdintoafive﹣meterwidespacebuilttohold30men. Theyhaveonlythreedays'worthoffood.Theyhavetorationitcarefullyiftheyplantosurvivedownhereuntiltheyarerescued. Thefilmisdividedintotwoseparateworlds.Oneistheminers'largecavewherefeelingsofhungerandhopelessnessgivewaytoprayer.TheotherisCampHopeatemporarycampoffamiliesoutsidethemine'scollapsedentrance. AntonioBanderasplaysminerMarioSepulveda.MariaSegoviaisthesisterofoneofthemenSheisascentraltotheminers'rescueasMarioSepulvedaisinsidethemine.ActressJulietteBinocheplaysMaria. WithfamilyfriendsandtheworldwatchingtheChileangovernmentorderedrescuecrewstokeepworkingdayandnight.After17dayscrewsreachtheminers.Thefilmthenshowsthetechnicallydifficultanddangerousoperationofbringingthementothesurfaceonebyone. The33runslikeadisastermovie.Itsspecialeffectsandthehumaninteractionsinsideandoutsidethemineaddtothetension.Itisthememoryoftheactualminedisasterandrescueoperationthataddsseriousnesstothemovie. 25.Whatwastheproblemwiththeoldmine? A.Itwastoooldtocontinuedigging. B.Ithadpossiblesafetyrisks. C.Itlackedmeasurestorescue. D.Ithadtoosmallaplaceforminers. 26.TheunderlinedwordrationinParagraph4canbereplacedby. A.keep B.prepare C.eat D.share 27.Whatatmospheredidthefilmtrytocreate? A.Exciting. B.Terrible. C.Hopeless. D.Nervous.
Anappleadaybringsmoreapplesyourway Wehaveallbeentoldnottoshopon61emptystomachbutwhatothertipscanhelpusshopandconsequentlyeathealthier?Nowresearchershavefoundthatshoppersarelikely62buymoreproducewhentheyeatahealthyitembeforeshopping. Inthestudy120shopperswere63randomgivenanapplesampleacookiesampleornosampleatthestartoftheirshoppingtrip.Theresearchersthentrackedtheirpurchasesandfoundthatthosewhoweregiventheapplesample64buy28%morefruitsandvegetablesthanthose65giveacookiesampleand25%morefruitsandvegetablesthantheshopperswhogotnosample.Researchersexplained66thistaughtuswasthathavingasmallhealthysnackbeforeshoppingcanputusinahealthiermindsetandsteerustowardsmakingbetterfoodchoices. In67concludeforconsumerstheresearchersrecommendpeoplehaveasmallhealthysnacklikeapieceoffruitbeforeshopping.Notonlywillithelpdecreasehungeritmay68motivateyoutoselecthealthieritems.Forgrocerystorestheysuggest69encouragepeopletobuymoreproduce70offeringsamplesoffruitsandvegetablestoshoppersuponenteringthestore!.
Asweallknowveryfewpeopleenjoyexams.Thatdoesn'thavetomeanthatyoushouldbeafraidofthemthough.Thefollowingtipswillhelpyougetthroughthatterribleexamperiod. Hereareeightstepstohelpyouduringexams 1.Makesureyouknowhowmuchtimeyouwillhaveintheexamandhowmanyquestionstherewillbe.Thenyoucandivideyourtimeamongthequestionstomakesurethattheyallgetanswered. 2.Whenyou'redoinganexamthatinvolves涉及longanswersitisagoodideatoleavesomespaceattheendoftheanswersothatyoucanaddanyextracommentsthatmightcometomindwhenyourereadyourpaper. 3.Don'tspendallofyourtimeonlyonquestionsthatyouknowtheanswerbecauseyouwillgetaworsemarkforansweringsomequestionsverywellandsomenotatall. 4.Itisworthtakingalittleextratimetomakesurethatyourhandwritingisneat.Thentheexaminerwillbeabletoreadit!Trytoavoidspellingmistakestoo! 5.Themorepreparedyouarethemorelikelyyouaretosucceed. 6.Keepcalm.Ifyoufeelyourselfgettingworriedtakeadeepbreath. 7.Don'ttrytodiscusstheexamafteryou'vefinishedit.Ifyou'vegotdifferentanswersfromyourfriendsthere'snopointworryingaboutit. 8.Onceanexamisoverjustforgetaboutit.Thereisnothingmoreyoucandoaboutit.Thebestthingyoucandoistogohomeandprepareforthenextone. 1Thepassageisprobablywrittenfor. A.peoplewhomarkexampapers B.languagelearners C.highschoolteachers D.peoplewhotakeexams 2Youcangetabettermarkif. A.yougooveryournotescarefullyfortheexam B.youdiscusstheanswerswithyourfriendsafterexams C.youspendallofyourtimeonquestionsthatyouarenotgoodat D.youspendmostofyourtimeonquestionsthatyouknowwell 3Theunderlinedwordavoidinthepassagemostprobablymeans. A.thinkabout B.goover C.preventsomethingfromhappening D.checkout
在如图所示实例中属于增大压强的是
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