首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
用符合要求的物质的序号填空． ①氯化钠 ②小苏打 ③干冰 ④武德合金 （1）可用于治疗胃酸过多的是 ． （2）可用于制保险丝的是 ． （3）可用于配制生理盐水的...
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
现有a．金刚石b．氯化钠c．酒精d．小苏打从中选择恰当的物质用其序号字母填空可用于配制生理盐水的是
现有①金刚石②氯化钠③稀盐酸④熟石灰⑤小苏打⑥一氧化碳从中选择恰当的物质序号填空1用于冶炼金属2用于
物质的性质决定用途请从①金刚石②铜③氢氧化钙④干冰⑤小苏打⑥氯化钠中选择适当物质填空填序号1用作导线
只用水不能区分各组物质物质均为固体的是
生石灰、氯化钠
碳酸钙、氢氧化钠
苏打、小苏打
硝酸钾、硝酸铵
请选择相应物质的序号填空①干冰②小苏打③石墨④氯化钠1可用于制铅笔芯的是.2可用于人工降雨的是.3医
只用水不能区分下列各组固体物质的是
生石灰、氯化钠
苏打、小苏打
蔗糖、硝酸铵
碳酸钙、氢氧化钠
下列化学物质被直接加热而不能放出气体的是
高锰酸钾
碳酸氢铵
氯化钠
小苏打
1化学用语是最简明国际通用的语言请用化学符号填空.①镁离子②2个氦原子2请从下列我们熟悉的物质中选择
请从①氯化钠②盐酸③氮气④氧气中选择符合题意的物质用序号填空.1能供给呼吸的是.2能用做调味品的是.
用符合要求的物质的序号填空①氯化钠②小苏打③干冰④武德合金1可用于治疗胃酸过多的是2可用于制保险丝的
化学与生活和工业密切相关现有①小苏打②氯酸钾③氯化钠④空气选择适当物质填空⑴焙制糕点所用发酵剂的主要
请从①氯化钠②铜③氧气四种物质中选择符合题意的物质用序号填空1能供给呼吸的是2由离子构成的物质是3能
有下列几种物质①海水②空气③过氧化氢④氯化钠⑤氢氧化铜⑥氧化铁⑦小苏打按要求完成下列问题以上物质或其
请选择相应物质的序号填空①干冰②小苏打③石墨④氯化钠1可用于制铅笔芯的是2可用于人工降雨的是3医疗上
只用水不能区分各组物质物质均为固体的是
生石灰 氯化钠
碳酸钡 硝酸钾
苏打 小苏打
氯化钠 硝酸铵
以下化学物质被直接加热不能放出气体的是
小苏打
碳酸氢氨
氯化钠
高锰酸钾
请从①氯化钠②铜③氧气三种物质中选择符合题意的物质用序号填空.1能供给呼吸的是2由离子构成的物质是3
请选择相应物质的序号填空①干冰②小苏打③石墨④氯化钠1可用于制铅笔芯的是.2可用于人工降雨的是.3医
现有①金刚石②氯化钠③稀盐酸④熟石灰⑤小苏打⑥一氧化碳从中选择恰当的物质序号填空1用于冶炼金属2用于
物质的性质决定用途.请从①金刚石②铜③氢氧化钙④干冰⑤小苏打⑥氯化钠中选择适当物质填空填序号1用作导
热门试题
更多
Astudyshowsthestudentswhoareengagedinafter﹣schoolactivitiesarehappierthanwhoarenot. A.ones B.those C.these D.them
Itcameasagreattotheparentsthattheirsonfinallycamebacksafeandsound. A.relief B.sense C.relaxion D.favor
﹣TheT﹣shirtIreceivedisnotthesameasisshownonline. ﹣?ButIpromiseyouwe'lllookintoitrightaway. A.Whosays B.Howcome C.Whatfor D.Whyworry
12.5分Overthepastfiveyearsresearchersinartificialintelligencehavebecometherockstarsofthetechnologyworld.AbranchofAIknownasdeeplearninghasprovensousefulthatskilledoperatorscancommandsix﹣figuresalariestobuildsoftwareforAmazonAppleFacebookandGoogle.Thetopnamescanearnover$1millionayear. ThetraditionalwaytogetthesejobshasbeenaDoctor'sdegreeincomputersciencefromoneofAmerica'stopuniversities.Earningonetakesyearsandrequiresapersonwhocanbedevotedtostudywhichisrareamongnormalpeople.Moreovergraduatestudentsareregularlyattractedawayfromtheirstudiesbyvarioushigh﹣paidjobs. Thatischanging.LastmonthFast.aianeducationnon﹣profitbasedinSanFranciscokickedoffthethirdyearofitscourseindeeplearning.Sinceitsbeginningithasattractedmorethan100000studentsfromIndiatoNigeria.ThecoursecomeswithasimpleideathereisnoneedtospendyearsobtainingaDoctor'sdegreeinordertopractisedeeplearning.Fast.ai'scoursecanbecompletedinjustsevenweeks. ForexampleagraduatefromFast.ai'sfirstyearSaraHookerwashiredintoGoogle'shighlycompetitiveAIresidencyprogrammeafterfinishingthecoursehavingneverworkedondeeplearningbefore.SheisnowafoundingmemberofGoogle'snewAIresearchofficeinAccraGhanathefirm'sfirstinAfrica. TomakeitaccessibletoanyonewhowantstolearnhowtobuildAIsoftwareJeremyHowardwhofoundedFast.aiwithRachelThomasamathematiciansaysmiddleschoolmathematicsisenough.Fast.aiisnottheonlyA.I.programme.AI4ALLanothernon﹣profitorganizationfoundedbyleadingtechnologistsincludingDr.Fel﹣FelLiworkstobringAIeducationtoschoolchildrenthatwouldotherwisenothaveaccesstoit. Howard'sambitionsrundeeperthanjustdealingwiththeshortageintheAIlabourmarket.Hisaimistospreaddeeplearningintomanyhandssothatitmaybeappliedinasmanyfieldsaspossible.TheambitionsaysMrHowardisforAItrainingsoftwaretobecomeaseasytouseandcommonassendinganemailonasmartphone. 1What'sParagraph2mainlyabout A.ThewaytogetaDoctor'sdegree. B.ThedifficultiestogetaDoctor'sdegree. C.TheimportancetogetaDoctor'sdegree. D.ThenecessitytogetaDoctor'sdegree. 2WhatcanwelearnaboutFast.ai A.ItaimstoproduceAIgraduatesinafastway. B.Itaimstocollectmoneyforpoorstudents. C.Itchargesahighfreeforofferingcourses. D.ItbecomespopularonlyinIndiaandNigeria. 3WheredoesSaraHookerworkaccordingtothepassage A.India. B.Nigeria. C.Ghana. D.America. 4WhatdoFast.aiandAI4ALLhaveincommon A.Theyarebothmeantforchildren. B.Theyrequireadvancedmath. C.Theyhavethesamefounder. D.Theyarebothnon﹣profit. 5What'sHoward'sattitudetoAItrainingsoftwareinthefuture A.Anxious. B.Disappointed. C.Optimistic. D.Surprised.
DuringtheyearsworkinginPeacekeepingForce维和__Iwassentabroad.Asasenioranalystmyworkdayswereroutinelytwelvetosixteenhourslong.Likealltheoldsoldierswelookedforwardtoreceivingmailsfromhome. WesoldiersreceivedmanyToanyservicemembermailsfromtheStates.Thosemailsweresentbythegeneralpublicinourmothercountrytosoldiersfarawayfromhomeasanexpressionofsupport.InevertookanyofthoseletterssinceIwrotetomywifeonadailybasisaswellasoccasionallywritingnotestomydaughterJenny'sclassroomandIdidn'tfeelIhadtimetowritetoanyoneelse. Afterfiveorfixmonthsofhearingfromthemail﹣announcingtheavailabilityofToanyservicemembermailIdecidedtotakeafewoftheletters.BecauseIplannedastimepermittedtodropthemalinetellingthemThanksfortheirsupport. Ipickedupthreelettersandplacedtheminmycargopocketandwentbacktowork.OverthenextweekorsoIstartedrespondingtotheletters.WhenitcametimetoanswerthethirdletterInoticedithadnoreturnaddressbutaCaliforniapostmarkwhichmademethinkofhome.IhadmissedspendingThanksgivingChristmasandNewYear'swithmyfamily.Homesicknessseizedme. Iopenedthecardandstartedtoreadtheletterattachedwhichwasashortone.AboutthethirdorfourthsentencedownitreadMydaddyisasoldieroverthereifyouseehimtellhimhiandIloveandmisshim.Thisstatementreallytouchedmeandmadememissmyfamilyevenmore.LookingdowntothenameofthesenderIsatinsilenceastearsfilledmyeyes. 1WhowillusuallywriteToanyservicemembermailsNomorethan8words 2WhydidtheauthordecidetoanswersomeToanyservicemembermailslaterNomorethan10words 3WhatsettheauthormissinghisownfamilyNomorethan5words 4HowdoyouunderstandtheunderlinedsentenceinParagraph4Nomorethan6words 5AttheendofthestorywhydidthewritersitinsilenceandcryPleaseexplain.Nomorethan20words
Iftheweatherhadbeenbetterweapicnicyesterday. A.musthavehad B.wouldhave C.couldhavehad D.willhave
Oncehemakesuphismindtodosomethingseldomgiveitup. A.hewill B.doeshe C.wouldhe D.willhe
Thereisnodoubtthatclimateallovertheworldgreatlyinrecentyears. A.hadchanged B.ischanging C.changed D.hasbeenchanging
hisideaswasacceptedbyallthepeopleatthemeeting. A.Strangeasmightitsound B.Asitmightsoundstrange C.Asstrangeitmightsound D.Strangeasitmightsound
Adog'seatinghabitrequiresregulartrainingbeforeitisestablished. A.properly B.widely C.originally D.temporarily
Wecanobservethatartificialintelligencehasalreadymadeanonourlivesinmanyways. A.statement B.impact C.impression D.judgment
Inthepastfewyearswe'veseenworksbyChinesesci﹣fiwriterswinninginternational. A.conclusion B.standard C.potential D.recognition
﹣Iguessyouwanttogoplaytennis. ﹣.That'sexactlywhatIwasthinkingtoo. A.Ididn'tgetit B.It'suptoyou C.Youneverknow D.Youreadmymind
Hewrotealetterheexplainswhathadhappenedintheaccident. A.what B.which C.where D.how
WhenIwastwentyIhadtobeforegraduationandworkinaclothesshoptohelpsupportmyfamily. A.comeout B.stayout C.leaveout D.dropout
Theirchildisatthestageshecansayindividualwordsbutnotfullsentences. A.why B.where C.which D.what
HazeMabrywhohasworkedasaschoolkeeperforthirteenyearswalksintotheschoolbuildingeverydayandemptiesgarbagecanswipesdownbathroomsandmopswetmessesinthehallways. LastFridayafterhearrivedattheschoolinsteadoffindinggarbagetocleanuphefoundalmost800studentsliningthehallwayswithhandmadecardsblowingnoisemakersandsingingafull﹣throatedhappybirthdaytohim.Itwashis80th.Ashewalkedthelonghallwaysomepoppedoutoflinetohughim.Theyhandedhimsomanycardsthattheyfilledseverallargeboxes.TouchedbytheirenthusiasticexpressionofaffectionMabrythankedthemall.They'relikemychildrenMabrysaid. Onaregulardaystudentsattheschoolsometimescomeuptohimtosaythey'renotfeelingwellorothertimestotellhimaboutsomethingthathappenedatbreak.Heknowsmostofthekidsattheschoolbutcan'tnameeachone.Someofthemmakehimknowthem.LikeFaithwhooftenforgetsherbackpackinthecafeteriaandLucywhojustwantsahug. Hewon'tbrag夸耀onhimselfbutitdoesn'tmatterwhathe'sdoingorwhereheishewillalwaysstopwhathe'sdoingtotakecareofachildifthatchildishavingabadday.Ifachildapproacheshimhewillpausetogivethatchildhisundividedattention.He'sthemostlovedoneinthisbuildingsaidLoriGilreatliareadingteacher. Mabryworkscirclesaroundallthestudentscleaningupmessesothersdon'twanttotouch.Hedoesn'texpectalot.Mabrysaidhehadn'tplannedtodomuchforhismilestonebirthdaysohewashappythestudentshadpreparedthesurprisecelebration. Overtheweekendheworkedthroughthepilesofhandmadecardsathishouse.Onecardfromastudentstoodouttohim.ItreadMr.Hazeyouaremysunshine. 1WhatisMabry'sdailyworkasaschoolkeeper?nomorethan5words 2HowdidthestudentscelebrateMabry'sbirthday?nomorethan15words 3WhatdoestheunderlinedwordinParagraph2probablymean?1word 4WhyisMabry'spresenceattheschoolimportant?nomorethan10words 5Whoisthesunshineinyourlife?Pleaseexplain.nomorethan20words
1Wheredoesthispassageprobablycomefrom? A.Anewspaper. B.Amagazine. C.Awebsite. D.Aguidebook. 2IftheSmithswiththeir11﹣year﹣oldsonwanttojoinintheSummerSurfCampthey'dbettergothereon. A.June10th B.June23rd C.July29th D.July22nd 3WhoareallowedtotakepartinSession5andSession8? A.MrJohnsonandhiswife. B.Acouplewithoutchildren. C.MrBlackandhis19﹣year﹣oldson. D.MrsBlackandher21﹣year﹣olddaughter. 4IfMrandMrsBrownhaveaCAMP5couponandwanttojoinintheSummerSurfCampfromJune30thtoJuly3rdhowmuchshouldtheypay? A.﹩760. B.﹩600. C.﹩800. D.﹩950. 5Whatcanweknowfromtheform? A.Thecampersaresupervisedallday. B.AcouplecansignupandjoinintheCampbyfax. C.ParentscantakepartinSession3togetherwiththeirchildren. D.AnadultcanjoinintheSummerSurfCamponanydayinJune.
Tomissoindependentthatheneveraskshisparents'opinionhewantstheirsupport. A.since B.once C.unless D.after
ThefamousbookFrankensteinbyBritishnovelistMaryShelleyisthefirstworkofsciencefiction. A.writing B.havingwritten C.written D.waswritten
BethanyHamiltonhasbecomeasourceofinspirationformillionsthroughherstoryoffaithdeterminationandhope.AndnowherstoryhasbecomeamajormoviewhichisentitledSoulSurfer. OnOctober312003attheageof13Bethanywasattackedbya15﹣foottigersharkwhilesurfingjustofftheshoreofHawaii.BethanysaidItcameoutoftheblue.Ihadnowarningatallnoteventheslightestsignofdangeronthehorizon.ThewavesweresmallandinconsistentandIwasjustkindofrollingalongwiththemrelaxingonmyboardwithmyleftarmdangling悬摆inthecoolwater.Irememberthinking‘Ihopethesurfpicksupsoon…' That'sallittookasplitsecond.Ifeltalotofpressureandacoupleoflightningfasttugs猛拽.ThenIwatchedinshockasthewateraroundmeturnedbrightred.SomehowIstayedcalm.Myleftarmwasgonealongwithahugepieceofmysurfboard… Herfriendshadtogethertothebeachwhichtook20minutesofpaddling.Afterlosingmorethan40percentofherbloodandmakingitthroughseveralsurgeriesBethanywaswellonherwaytorecoveryduetoanunbelievablypositiveattitude.InJanuary2004BethanymadeherreturntosurfcompetitionandwithnointentionofstoppingBethanycontinuedtoenterandshineincompetitions.Initiallysheadoptedacustom﹣madeboardthatwaslongerandslightlythickerthanstandardandhadahandleforherrightarmmakingiteasiertopaddleandshelearnedtokickmoretomakeupforthelossofherleftarm. Justoverayearaftertheattackshetookfirstplace﹣winningherfirstNationalTitle.Nowshecompeteswiththeworld'sbestandtravelstheglobe. 1Whatkindofstorydoestheauthorwanttotellus?nomorethan10words 2WhatisthemeaningoftheunderlinedpartinParagraph2?nomorethan10words 3AccordingtothepassagehowdidBethanymakearecoverytnomorethan10words 4WhydidBethanylearntokickmorewhenshestartedsurfingagain?nomorethan10words 5HowdoesBethany'sstoryinspireyoutoovercomedifficultiesinlife?Putitinyourownwordsnomorethan25words
alltheproblemsseveraloftheplayersproducedexcellentperformances. A.Accordingto B.Insteadof C.Inadditionto D.Inspiteof
﹣Whatareyougoingtodothisweekend? ﹣.IftimepermitsImaygotoShanghaiwithmyfriends. A.Don'tmentionit B.Itdoesn'tmatter C.Forgetit D.Itdepends
Howdoesanecosystem生态系统work?Whatmakesthepopulationsofdifferentspeciesthewaytheyare?Whyaretheresomanyfliesandsofewwolves?Tofindananswerscientistshavebuiltmathematicalmodelsoffoodwebsnotingwhoeatswhomandhowmucheachoneeats. Withsuchmodelsscientistshavefoundoutsomekeyprinciplesoperatinginfoodwebs.Mostfoodwebsforinstanceconsistofmanyweaklinksratherthanafewstrongones.Whenapredator掠食动物alwayseatshugenumbersofasingleprey猎物thetwospeciesarestronglylinkedwhenapredatorlivesonvariousspeciestheyareweaklylinked.Foodwebsmaybedominatedbymanyweaklinksbecausethatarrangementismorestableoverthelongterm.Ifapredatorcaneatseveralspeciesitcansurvivetheextinction灭绝ofoneofthem.Andifapredatorcanmoveontoanotherspeciesthatiseasiertofindwhenapreyspeciesbecomesraretheswitchallowstheoriginalpreytorecover.Theweaklinksmaythuskeepspeciesfromdrivingoneanothertoextinction. Mathematicalmodelshavealsorevealedthatfoodwebsmaybeunstablewheresmallchangesoftoppredatorscanleadtobigeffectsthroughoutentireecosystems.Inthe1960sscientistsproposedthatpredatorsatthetopofafoodwebhadasurprisingamountofcontroloverthesizeofpopulationsofotherspecies﹣includingspeciestheydidnotdirectlyattack. Andunplannedhumanactivitieshaveprovedtheideaoftop﹣downcontrolbytoppredatorstobetrue.Intheoceanwefishedfortoppredatorssuchascodonanindustrialscalewhileonlandwekilledofflargepredatorssuchaswolves.Theseactionshavegreatlyaffectedtheecologicalbalance. Scientistshavebuiltanearly﹣warningsystembasedonmathematicalmodels.Ideallythesystemwouldtelluswhentoadapthumanactivitiesthatarepushinganecosystemtowardabreakdownorwouldevenallowustopullanecosystembackfromtheborderline.Preventioniskeyscientistssaybecauseonceecosystemspasstheirtippingpoint临界点itisremarkablydifficultforthemtoreturn. 1Whathavescientistsdiscoveredwiththehelpofmathematicalmodelsoffoodwebs? A.Thelivinghabitsofspeciesinfoodwebs. B.Therulesgoverningfoodwebsoftheecosystems. C.Theapproachestostudyingdiespeciesintheecosystems. D.Thedifferencesbetweenweakandstronglinksinfoodwebs. 2Astronglinkisfoundbetweentwospecieswhenapredator. A.hasawidefoodchoice B.caneasilyfindnewprey C.stickstoonepreyspecies D.canquicklymovetoanotherplace 3Whatwillhappenifthepopulationsoftoppredatorsinafoodwebgreatlydecline? A.Thepreyspeciestheydirectlyattackwilldieout. B.Thespeciestheyindirectlyattackwillturnintotoppredators. C.Thelivingenvironmentofotherspecieswillremainunchanged. D.Thepopulationsofotherspecieswillexperienceunexpectedchanges. 4WhatconclusioncanbedrawnfromtheexamplesinParagraph4? A.Uncontrolledhumanactivitiesgreatlyupsetecosystems. B.Rapideconomicdevelopmentthreatensanimalhabitats. C.Speciesofcommercialvaluedominateotherspecies. D.Industrialactivitieshelpkeepfoodwebsstable. 5Howdoesanearly﹣warningsystemhelpusmaintaintheecologicalbalance? A.Bygettingillegalpracticesundercontrol. B.Bystoppingusfromkillinglargepredators. C.Bybringingthebroken﹣downecosystemsbacktonormal. D.Bysignalingtheurgentneedfortakingpreventiveaction.
Whenyou'rechoosingacollegealotoffactorsprobablymaybeconsideredtheschool'sreputationtheclassesofferedandtheprofessorsinyourmajortonameafew.Howeverconsideringtheincreasingcompetitivenessofuniversitiestoattractmoreandmoreapplicantsmanyschoolsnowofferextrabenefitstobeenjoyedbyalloftheirstudents.Herearesomeofthecoolest UniversityofMissouri Whenyouthinkofacampusgymyouprobablypicturearoomequippedwitholdweightsandout﹣of﹣datemachines.HoweverattheUniversityofMissouriyoucanenjoyoneofthebestcampusfitnesscentersinthecountry.Itfeaturesanindoorbeachcompletewithawaterfallandalazyriveraswellasafull﹣servicespa.Evenifyoudon'tnormallyenjoyworkingoutMissouri'sfitnesscenterwillgiveyouareasontogotothegym. HighPointUniversity Ifyouseeyourselfquicklytiredofdininghallfood﹣somethingthathappenstoalmostallofus﹣HighPointUniversityinNorthCarolinahasagreatoptionforyouaprivatesteakhouseforstudents.It'safirst﹣classrestaurantandbestofallyoudon'thavetopayforthemealoutofyourownpocket.Youcanuseyourdiningdollarsinstead. SetonHallUniversity Ityou'restressingoutabouttheextracostoftechnologywhenyoustartcollegeSetonHallhasgreatnewsforyouallfreshmenaregivenfreelaptopsthroughtheuniversity'sMobileComputingProgram.Asafreshmanyou'llreceivealaptopalreadysetupwithallofthesoftwarethatyou'llneedasastudent.Thenaftertwoyearsyou'llreceiveanewandupdatedlaptopdesignedtocarrytothroughuntilafteryougraduate. NewYorkUniversity Ifyou'reafanofmuseumsNYUNewYorkUniversityistheperfectuniversityforyounotonlyareyoulocatedintheheartofacityfeaturingsomeofthebestmuseumsintheworldbuttheuniversitywillevenprovideyouwithfreeadmissiontomanyofthem.Youcantakeadvantageofvisitingfreemuseumsatanytimeyouwant﹣andyou'llneverbeboredontheweekends. 1WhatcanwelearnfromParagraph1 A.Itishardtobeadmittedtoauniversity. B.Auniversity'sfameisthetopconsideration. C.Thecompetitiontoattractapplicantsisfierce. D.Extrabenefitsmakesnodifferencetoapplicants. 2WhatcanwelearnaboutthefitnesscenterintheUniversityofMissouri A.Itsequipmentisoutofdate. B.Itisthebestoneintheworld. C.Ithasarealbeachthere. D.Itcanarousestudents'interestinworkout. 3Whichuniversityoffersextrabenefitoffood A.UniversityofMissouri. B.HighPointUniversity. C.SetonHallUniversity. D.NewYorkUniversity. 4WhatcanbeguaranteedforstudentschoosingSetonHallUniversity A.Freetuition. B.Freeaccommodation. C.Freecomputers. D.Highgraduationrate. 5WhichofthefollowingistrueofNewYorkUniversity A.Itislocatedinthecenterofthecity. B.Ithousesthebestmuseumsintheworld. C.Allthemuseumsareopentoitsstudentsforfree. D.Museumsareusuallyclosedontheweekends.
NASAhasanewjoblistingandit'snojoke.TheUSspaceagencyislookingforajokertojointheirplannedmissiontoMars. AmissiontoMarsisnolaughingmatter.Onaveragetheredplanetis140millionmiles225millionkilometersawayfromEarth.Atriptherewouldtakearoundeightmonthsinasmallspacecraft.AndMarshasacommunicationsdelayof20minutes.Thismeansthatastronautswillhavetowait20minutesforareplywhenanemergencyhappens. Whenyou'relivingwithothersinaconfinedspaceforalongperiodoftimesuchasonamissiontoMarsproblemsarelikelytooccurJeffreyJohnsonascientistattheUniversityofFloridatoldtheGuardian. ThisisprobablywhyNASAwantsanastronautwithasenseofhumor.ThesearepeoplethathavetheabilitytopulleveryonetogetherJohnsonsaid. Instressfulsituationsperhapshumorisawaytoknowwearen'talone.Bylaughingtogetherweshareourstress.Thenwecanfocusonourjobsinsteadofjustworrying. Thereareotherexamplesofteamclowns.OneexampleisthejourneytotheSouthPoleledbyNorwegianexplorerRoaldAmundsen.Itwasadifficultjourneyfullofdanger.AdolfLindstromacookatAmundsen'steamwasaclown.Hemadepeoplelaughthroughthewholejourney.AmundsenlaterwrotethatLindstromwasthemostvaluablememberoftheteam. Butifyou'rehopingthatyourfavoriteTVcomedianwillflytoMarsthatprobablywon'thappen. Beingfunnywon'tbeenoughtolandsomebodythejobJohnsonsaid.Theyalsoneedtobeanexcellentscientistandengineer. Besidestheymustbeintopphysicalcondition. 1WhatisNASA'snewjoblisting? A.Afunnyengineer. B.Atalentedclown. C.Agoodcook. D.Apopularcomedian. 2WhatdoesaconfinedspaceinParagraph3referto? A.Acrowdedspace. B.Anemptyspace. C.Anopenspace. D.Asmallspace. 3Howdoestheauthorthinkhumorcanhelpastronauts? A.Itcanstopthemfromfeelingworried. B.Itcanencourageteamworkonamission. C.Itcanhelpthemfeellesshomesick. D.Itcanhelpthemknowthemselvesbetter. 4Whatpointdoestheauthorwanttomakewiththeexampleofthecook? A.Whatexplorerseatontheirjourneyisveryimportant. B.Anamateurcanplayamoreimportantrolethanaprofessional. C.Humorouspeoplecancheerpeopleupindifficultsituations. D.AmissiontoMarsismoredifficultthanajourneytotheSouthPole. 5Whatcouldbethebesttitleofthepassage? A.KeepingtheSpiritsUp B.AMissiontoMars C.ANewJobListingofNASA D.HumorousAstronautsinNASA
Kateheardaman'svoiceinthebackgroundbutshecouldn'twhathewassaying. A.setaside B.takeback C.makeout D.keepoff
HistoryFairCompetition Understandinghistoryisvitaltounderstandingourselvesasapeopleandasanation.Historyismuchmorethanthestudyofdustyoldobjectsandeventslongpast.Itisanessentialpartofwhowearetodayandwhowewillbecome.ThorntonMiddleSchoolHistoryFairCompetitionmakesunderstandinghistoryexcitingengagingandfun! ThisYear'sTheme AllparticipantsmustaddresshowcommunicationortransportationtechnologyhaspromotedthequalityoflifeforAmericansthroughouthistory.Tomanypeopletechnologymeanscomputershand﹣helddevicesorvehiclesthattraveltodistantplanets.Howevertechnologyisalsotheapplicationofscientificknowledgetosolveaproblemtouchinglivesincountlessways. Individualsorgroupsmayenteroneofthefollowingcategories •Performance •Documentary纪实作品 •EssayWriting CategoryRequirements PerformanceAdramaticpresentationofthetopicnomorethan10minuteslong.Ifspecialclothesareusedtheyshouldtrulyrepresentagivenperiod. DocumentaryAvisualpresentationsuchasavideoslideshoworcomputerprojectnomorethan10minuteslong.Adesktopcomputerscreenprojectorandloudspeakerswillbeavailable.StudentsmustprovidetheirpresentationsonCDsbeforeFridayMarch23. EssayWritingAnacademicpaperof2000to2500words.Noillustrations图解areallowed.Pleasedonotincludecovers.Alistofreferencesmustbeincluded. ImportantDates January5Submitatopicproposaltoyourhistoryteacher.Theteachermayrequireasecondproposalifthefirstisoff﹣topicorunclear. February5Submitafirstdraftofyouressayperformancescript剧本ordocumentaryhighlights. February19Acommitteeofteacherswillevaluatematerialsandgiveopinions.Studentsthenhaveanopportunitytoimprovetheirproducts. March9Submitafinaldraftofyouressay. March15Performanceanddocumentarycommitteepreview March24ThorntonMiddleSchoolHistoryFairCompetition 700A.M.﹣900A.M.Participantssigninginatthegym 1000A.M.﹣600P.M.Competitionandjudges'review 700P.M.Awardsceremonyandpicnic 1AccordingtoParagraph1whatisthemajorgoalofunderstandinghistory? A.Topreservenationaltraditions. B.Toprepareforahistorycompetition. C.Tobetterknowthepresentandfuture. D.Tofurtherexplorehistoricalmysteries. 2Whatisthethemeofthisyear'scompetition? A.Technologyadvancesscience. B.Scienceinteractswithtechnology. C.Sciencehasmadethestudyofhistoryeasy. D.TechnologyhasimprovedthelifeofAmericans. 3Amongtheitemsprovidedbytheschoolforavisualpresentationare. A.specialclothesandascreen B.adesktopcomputerandaCD C.aprojectorandspecialclothes D.adesktopcomputerandloudspeakers 4Whatwouldaparticipanthavetodowithanessayof1500wordstomeetthecategoryrequirement? A.Includemoreinformationintheessay. B.Removethereferences. C.Provideacoverfortheessay. D.Explainthedetailswithillustrations. 5WhatwillthecommitteeofteachersdoonFebruary19? A.Previewperformancesanddocumentaries. B.Makecommentsonthematerials. C.Improvetheparticipant'sfirstdraft. D.Collectasecondproposalfromtheparticipant.
﹣Whatapity!Youmissedmybirthdayparty. ﹣Terriblysorry!myunclenotvisitedmeunexpectedly. A.Should B.Would C.Had D.Did
﹣It'sreallygreattohaveacomputertostoremyphotos. ﹣Don'tcountonittoomuch.Itbreakdownandyou'dbettermakeacopyofthem. A.must B.can C.should D.will
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库
湘公网安备 43130202000226号