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(一)如图是元素周期表的一部分,请回答: (1)形成元素化合物种类最多的元素 (填名称). (2)表中①处元素和③处元素在同一纵行的原因是 相同. (3)某粒子R2+与氖原子核外电...
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如图是元素周期表的一部分根据表中信息回答问题.1①所示元素的原子最外层电子数是________②所示
元素周期表的形式多种多样下图是扇形元素周期表的一部分1~36号元素对比中学常见元素周期表思考扇形元素
②⑧⑨对应简单离子半径依次减小
⑥的氯化物的熔点比⑦的氯化物熔点低
元素⑩处于常见周期表第四周期ⅧB族
①分别与③④⑤均可形成既含极性键又含非极性键的化合物
元素周期表的形式多种多样如下图是扇形元素周期表的一部分1~36号元素对比中学常见元素周期表思考扇形元
①、②、④、⑦对应的原子半径依次增大
氢化物的沸点:⑤>⑧
元素③处于常见周期表第3周期ⅥA.族
元素⑥和⑨的氧化物的水化物分别为Mg(OH)
2
和HClO
4
如图是元素周期表中的一部分请回答下列问题1上表中①所示元素的原子结构示意图是②所示元素的单质的化学式
如图是元素周期表中的一部分请回答下列问题1上表中①所示元素的原子结构示意图是.2X3+与O2﹣的核外
元素周期表是学习化学的重要工具如图是元素周期表中的一部分请回答下列问题1表中①所示元素的名称是___
右图1是元素周期表中的一部分图2是硒原子的结构示意图据图回答问题1图2中m的值为n的值为2硒元素位于
元素周期表将已知元素科学有序地排列起来便于我们研究它们的性质和用途如图表示元素周期表的一部分请回答下
如图1元素周期表的一部分据此回答下列问题.1表中12号元素的名称是该元素的原子在化学反应中易填得到或
如图1是元素周期表中的一部分图2是硒原子的结构示意图据图回答问题1图2中m的值为n的值为2硒元素位于
元素周期表的形式多种多样下图是扇形元素周期表的一部分1~36号元素对比中学常见元素周期表思考扇形元素
②、⑧、⑨对应简单离子半径依次减小
⑥的氯化物的熔点比⑦的氯化物熔点低
元素⑩处于常见周期表第四周期第VIIIB族
①、③、④、⑤形成的某种化合物中既含有共价键又含有离子键
下表是元素周期表的一部分据此回答下列问题1表中13号元素的原子在化学反应中易失去电子形成离子其离子符
元素周期表是学习化学的重要工具如图是元素周期表中的一部分请回答下列问题1表中①所示元素的名称是___
图4是元素周期表的一部分请回答下列问题1Z元素在元素周期表中位于第________族2Z的原子半径_
如图1是元素周期表中的一部分图2是硒原子的结构示意图.据图回答问题1图2中m的值为n的值为2硒元素位
元素周期表的形式多种多样如图是扇形元素周期表的一部分对比中学常见元素周期表思考扇形元素周期表的填充规
②、⑧、⑨对应简单离子半径依次减小
该表中标注的元素全部是主族元素
元素⑥和⑦的原子序数相差11
④的最高价氧化物对应的水化物能与其氢化物反应,生成离子化合物
元素周期表是学习化学的重要工具如图是元素周期表中的一部分请回答下列问题1表中①所示元素的名称是___
右图1是元素周期表中的一部分图2是硒原子的结构示意图据图回答问题1图2中m的值为_______n的值
如图1是元素周期表中的一部分图2是硒原子的结构示意图.据图回答问题1硒的相对原子质量是2硒元素位于元
如图1是元素周期表中的一部分图2是硒原子的结构示意图据图回答问题1图2中m的值为n的值为2硒元素位于
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10分Babieshavethecharmtomeltanybody'sheartinstantlynooneescapesthetwinklingeyesortheinnocentsmile.Justtheirpresencewillcheeryouupmakeyouforgetyourworriesandtemptyoutoindulgeintotheirworld.1ThoughIdon'thaveanyanswertothequestionIwonderastowhatmakestheiraurasodesirable.AndIthinkthereissomethingwecanlearnfromtheyoungones. ForgiveandForget Babiescanlaughandgigglealldaybecausetheydon'tkeephatredagainstanyone.2 Doyouthinkthey'veconstructedanevilplanagainstyoubecauseyourefusedthemcandylasttime?Probablynotlifemovedonandsodidthey.Sowhydoweholdontoourpastandrefusetoletgooftheemotionalbaggage?Doesitdousanygoodexceptpreventusfromlaughingtothefullest? 3 Endlessquestionsofyoungkidscansometimesbeenoughtodraintheadultmind.Theyarealwaysbusywonderinghowthingsworkorwhythingsarethewaytheyareleavingnoroomforboredom.Theircuriositygivesthemanexponentiallearningcurvetheypickupnewthingsquicklyanddonotrefusetochange. UnconditionalLove 4Theydon'tjudgeyoubeforetheycomerunningintoyourkneesandtheydon'twalkawayifyoudon'tgivethemthesameinreturn.Theyhavenoexpectationsfromyouandsimplydowhattheirheartdesires.Ifyouwantahugthey'llgiveyouahugifyouwanttwothey'llgiveyoutwo.Sohowdoestheadultworldbecomesomaterialisticthatwedecidewhatwegivebasedonwhatwethinkwemightreceive? Livinglifetothefullestisnotadifficulttaskyoujustneedtohavetherightattitudeandanopenmind.5 A.Keepsmileeveryday B.Never﹣endingCuriosity C.Whatcanwedotofreefromtheseworries? D.Whydoweadoretheyoungonessomuch? E.Sodon'tenvythepeacefullifeofababystartlivingityourself! F.Kidshaveahugandakissforanyoneandeveryonewhowantsone. G.Theirheartispureandtheirmindemptytolaughoutloudandenjoythemoment.
8分Areyouafraidofsharks?Whataboutsnakesorspiders?PutthosefearsasidebecauseintheU.S.you'refarmorelikelytobekilledorinjuredbyadeerskippingacrosstheroad. Deercausemorethan200humansdeathseachyearplussome29000injuriesallbecauseof1.2millioncollisionsbetweenvehiclesanddeer.MostincidentsoccurintheeasternU.S.wheredeerprosperwithoutnaturalpredatorslikewolvesandmountainlions. That'stheregionintheU.S.wheredeer﹣vehiclecollisionsaresuchaproblemandwhereitseemslikeaneffectivelargecarnivorereintroductioncouldmakeareallybigdifference.sayswildlifebiologistLauraPrughfromUniversityofWashington.Shethinksitwouldhelptoreintroducepredatorslikemountainlionsalsoknownascougarspumasorpantherstopartsoftheirhistoricrangefromwhichthey'vebeendrivenout. TheresearcherssaythatbringingthepredatorsbacktotheeasternU.S.wouldmean22percentfewercollisionsbetweencarsanddeeroverthreedecades.Eachyearwouldseefivefewerhumandeaths680fewerinjuriesandasavingsofsome550million.SophieL.Gilbertthinkstherearegreatsocioeconomicbenefitsoflargepredatorrestorationthroughreducedwildlife﹣vehiclecollisionsandshesayssaysCougarshaveshownthattheycancoexistinshortdistancewithpeoplewithveryfewconflictsinalotofareasoutwest. Stillsomefolksmightbeunderstandablynervousaboutthiskindofplan.Afterallreintroducingpredatorsdoesn'tcomewithoutriskstopetsandtolivestockandveryoccasionallytopeople. OurfearoflargepredatorsissonaturalandintensethatIdon'tthinkit'spossibletojustcompletelyclearitwithstatistics…WhatIhopeisthatknowingthatthereactuallycanbesomemeasurablebenefitsmightmakepeoplealittlemoresupportiveandmaybebalancethatfearalittlebit.saysLaura. Indeedthestatisticsshowthatcougarswouldpreventfivetimesasmanyhumandeathsfromdeer﹣relatedaccidentsastheywouldcausebyattacks.Butit'llbeatoughsellthepresswillcovercougarattacksbutastatisticallypreventeddeathdoesnotmakethenews.NeverthelessIfpeopleinthewestcanputupwithhavingmountainlionsaroundIwouldhopethatNewYorkerswouldbeupforthechallengeaswell. 1WhatisclosestinmeaningtotheunderlinedwordcarnivoreinParagraph3? A.Acat﹣likeanimal. B.Adangerousanimal. C.Ameat﹣eatinganimal. D.Agrass﹣eatinganimal. 2Whydopeoplewanttobringbackmountainlions? A.Tominimizetheaccidentscausedbydeer. B.Tomaintainbiodiversityandecologicalbalance. C.Totakeupthechallengefrompeopleinthewest. D.Toreducepeople'sfearofthisdangerouscreature. 3Whyisithardtopersuadepeopletoacceptthismeasure? A.Becausetherisksoutweighthebenefits. B.Becausemountainslionslikeeatingpeople. C.Becausethebenefitsarenotaseye﹣catchingasitsrisks. D.Becausemountainlionstendtogettooclosetopeople. 4Whatisthebesttitleforthetext? A.PumaaToughSell B.ANewStudyonPuma C.DeerCauseHugeLifeLosses D.DeerorPumasaHardChoice
30分ThatholidaymorningIdidn'thavetoattendschool.UsuallyonholidaysMother1metosleepin.AndIwouldcertainlytakefulladvantageofit.Onthisparticularmorning2Ifeltlikegettingupearly. Istoodbymywindowoverlookingthe3havingnothingbettertodo.ButasitturnedoutIwassoontolearnaboutsomething4inlife. AsIwatchedseveralpeoplegobygetintotheircarsanddriveoffI5anoldmanonabicyclewithabucketonits6andabasketofragsandbottlesonitsback﹣carriage.He7fromonecartoanotherwashingandcleaningthem.Fromthewateronthegrounditseemedthathehadalready8washingandcleaningaboutadozenormorecars.Hemusthavebeguntoworkquiteearlyinthemorning. Severalthoughts9mymindasIwatchedhimwork.Hewasn'twell﹣dressed.Hehadonapairofshortsandan10T﹣shirt.Thebicycleherodewasnotbyanymeansthekindmodern11wouldwanttobeseenridingon.Butheseemed12withlife.Therehewasworkinghardathissmallbusiness13atpassers﹣byandstoppingtochatnowandthen14elderlymenandwomenontheirwaytothemarketnearby. Therewasanoticeabletouchof15inthewayheseemedtobedoingthings﹣16thewindscreen挡风玻璃thenstandingbacktoadmireitscrubbing擦净thewheelsand17standingbacktoseewhattheylookedlikeafterthescrub. Itwasa18tolearn.Ifelt.Atnoageneedonehavetobegfora19ifonehasgoodhealthandiswillingtoworkhard.ForawhileIfelt20ofmyself.YoungasIam﹣justsixteenandtherewasthisoldmanwhomusthavebeenusefullyengagedperhapsbeforethesunappearedabovethehorizon. 1A.forces B.allows C.causes D.forbids 2A.otherwise B.therefore C.however D.besides 3A.parkinglot B.busstop C.school D.market 4A.interesting B.surprising C.awful D.useful 5A.noticed B.recognized C.called D.assisted 6A.back B.handle C.wheel D.seat 7A.searched B.left C.moved D.wandered 8A.stopped B.started C.intended D.finished 9A.crossed B.slipped C.disturbed D.inspired 10A.attractive B.shiny C.simple D.expensive 11A.repairmen B.businessmen C.drivers D.cyclists 12A.busy B.content C.careful D.bored 13A.waving B.looking C.laughing D.pointing 14A.about B.for C.with D.like 15A.worry B.respect C.sympathy D.pride 16A.cleaning B.fixing C.replacing D.covering 17A.still B.yet C.again D.soon 18A.lesson B.subject C.skill D.fact 19A.business B.living C.success D.right 20A.tired B.doubtful C.fearful D.ashamed
如图1所示是手机工具箱的一款工具你可以给它取个名字叫仪它用于测量填声音的特性的.图2所示仪器它是测量的仪表量程为.
6分Summeristimeforfamilyfunandthecreationoflifelongmemories.Donotmissoutontheopportunitytohaveanunforgettablevacationwhenbookingactivitieshotelsandmoreinthesefantasticcities. SanAntonioTX Whetheryouarelookingforahistoriclookintothisfantasticcityorseekingtospendthedaygettingsomesunatoneofthethemeparksintheareathere'ssomethingforeveryone.SanAntonioishometoSeaWorldSixFlagsFiestaTexastheSanAntonioAquarium水族馆andotherfunfamily﹣friendlyattractions.ForamorehistoriclookintothecitygoontheSanAntonioGrandTourtheAlamoTrolleyTourorbooktheSanAntonioExplorerPass. MackinacIslandMI ForanadventureMackinacIslandisthedestinationofchoice.SittingonLakeHuronMackinacIslandisinvitingwiththeGrandHotelLuncheonBuffetandSelf﹣GuidedTouroraMackinacIslandCarriageTour.IfyourattentionisonafamilyvacationadmissiontotheWingsofMackinacTropicalButterflyConservatoryorawateradventurewithGreatTurtleKayakToursisagreataddition. OrlandoFL Itwouldn'tbesummerwithoutatriptoOrlando.ForthosewhowanttovisitsomeofthehottestthemeparksofalltimeOrlandoishometoWaltDisneyWorldThemeParksSeaWorldOrlandoandUniversalOrlandoResort.IfyouwouldratherskiptheamusementparksandexperiencethemorenaturalsideofOrlandothereareoptionssuchasdeepseafishinginGulfofMexicoandOrlandoZiplineToursatFloridaEcoSafaris! 1WhatcanyouenjoyinSanAntonio? A.Playinthehottestthemeparksofalltime. B.Visitabutterflyconservatory. C.Godeepseafishinginagulf. D.Haveatasteofthecity'shistory. 2WhereshouldyougoifyouwanttoexplorenatureinOrlando? A.FloridaEcoSafaris. B.SeaWorldOrlando. C.WaltDisneyWorldThemeParks. D.WingsofMackinacTropicalButterflyConservatory. 3Whatdothethreeplaceshaveincommon? A.Theyarefamousforanadventure. B.Theyarefitforsummerholidays. C.Theylieinthesamestate. D.Theyallhaveathemepark.
如图所示L1L2两个白炽灯泡.做实验时闭合开关有时会出现灯L1发光灯L2不发光的现象.则下列说法正确的是
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10分Stressisamajorprobleminthemodernworld.1Itiscommonamongofficeworkers.Managingitisnecessaryforpeopleinordertocreateawork﹣lifebalance.Sohowcanyougoaboutremovingstressthroughtheancientartofgardening? Surroundyourselfwithnature.Treesbirdsandscentoftheoutdoorsaregreatwaystohelprelax.2Soinordertoremovestressthroughgardeningyouneedtogrowlotsofplants. Makeitcomfortable.3Afterallwhat'sthepointofmakingitbeautifulifyoucan'tsitorwatchyourflowersgrowafterwards?Agood﹣qualitysetofgardenfurnitureistheonlywaytomakesureyourgardenisascomfortableaspossibleinordertoremoveyourstress. 4Toreallyappreciategardenspaceforwhatitisyouneedtoleaveallofthestressesofmodernlifebehindwhichmeanskeepingyourphoneindoors.Yesitmaybehardatfirst.Butafterawhileitwillbegintofeelnormalandevengood.Sometimesnotknowingwhatishappeningintheoutsideworldistheonlywaytoenjoythetranquility宁静ofyourgarden. Invitefamilyandfriends.Doyouwanttogetthebestwaytotrulyremovestressthroughyourgardeningefforts?Shareitwithyourfamilyandfriends.Agoodbarbecueaswemoveintothewarmermonthsisthebestportofcall.5Afterawhileyourgardenspaceshouldbecomearelaxationandstress﹣freezone. A.Avoidusingtechnology. B.Inparticularitcanbeakillerifleftuntreated. C.Toattractwildlifesetfeedingtablesinyourgarden. D.Thepeacefulnessofnatureactsasanaturalwaytoreducestress. E.Justmakesureyoudon'tinviteanyonelikelytocauseanargument. F.Itgivesyougoodfoodgoodcompanyandagoodchancetoremovestress. G.Furnitureisnecessaryforyoutomakethemostofyourcomfortablegarden.
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10分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. Nowadaysmanypeopledriveinsteadoftakingabusorwalkingtowork.Itcausesmoretrafficaccidents.Asthestudentwhatcanwedotoguaranteeoursafe?Firstofallthetrafficrulesmustbestrictobeyed.Whenwecrossstreetswaituntilthetrafficlightturngreen.Nextdon'tforgetwalkonthepavement.FinallyIthinkitverydangerouslytowearheadphoneswhilewalkingorcycling.Sincewecan'tpayenoughattentiononthetrafficaroundussoaccidentsmayhappen.Takinggoodcareofourselvesanddon'tletourparentsworryaboutthem.
8分Bothhoneybeesandantsaresocialinsectsthatliveingroupscalledcolonies.Theysurvivebymeansoftheircollectiveintelligence.Theirdecision﹣makingpowerisdistributedthroughoutthegroupthatisnooneantorbeemakesdecisionsforthegroup.Insteadtheyworktogether.AsDeborahM.GordonabiologistofStanfordUniversitysaysAntsaren'tsmart.Antcoloniesare.Thesameistrueforbeecolonies.Althoughbeesandantsarequitedifferentphysicallytheyhavealotincommonintermsoftheirbehavior.Specificallyhoneybeesandantshavesimilarroleswithinthecolonybothhavecommunicationsystemsandbothhavethecapacityoflearning. Antscommunicatebyusingchemicalscalledpheromoneswhichcanalertotherstodangerortoafoodsource.Forexamplewhenworkerantsfindapromisingsourcetheylettherestofcolonyknowhowtofinditbyleavingatrailofpheromonesonthewaybacktothecolony.Theotherantspickupthemessageusingtheirsenseofsmell.Beesontheotherhandusemovementtocommunicatewitheachother.Workerbeessendmessagetoeachotherbymeansofadance.Differentspeedsandmovementssenddifferentmessages.Forexamplewhenworkerbeescalledscoutsgoouttofindanewhoeforthecolonytheyreturnanddoadancefortheotherworkerbeesthatindicatesthelocationofthenewhomeandhowsuitableitis.Thefasterthescoutsdancethebetterthenewlocationis. Honeybeesandantsarebothcapableoflearning.OneChinesestudyfoundthatbeescanbetrainedtolearnandrememberaroutetoafoodsource.Theresearchersalsofoundthatbeescanbetaughttorecognizehiddenobjectsandusetheconceptsofsamenessanddifferencetoaccomplishcertaintasks.Antstakethisonestepfurther.RecentAmericaresearchhasshownthatantsnotonlyhavetheabilitytolearnbutalsocanteachtheirforagingskillstootheryoungerants.Theyobservedthatolderantsaccompanyyoungantsinsearchoffoodandteachthemtherouteandhowtoavoidobstacles. Aswecanseethesocialbehaviorofhoneybeesandantsisquitesimilar.Bothcoordinatecomplexactionsandaccomplishcrucialsurvivaltasksbycooperatingingroupsconsistingofmanyindividuals.Unintelligentastheymaybeasindividualsasgroupstheyoftenshowamazingbrillianceastheygoabouttheireverydayactivities. 1Whatdoantsandbeeshaveincommon? A.Theymakeuseofcollectiveintelligence. B.Theyliveinsimilar﹣sizedcolonies. C.Theyhavesmallleadershipgroupsthatmakealldecisions. D.Theyusethesamemethodtocommunicatewitheachother. 2Whatdocsthespeedofabee'sdanceindicate? A.Thedistancetoaneighboringcolony. B.Thequalityofanewcolonylocation. C.Thediscoveryofanewfoodsource. D.Thedirectiontoapotentialfoodsource. 3Inparagraph3howdocstheauthordemonstratetheideathatHoneybeesandantsarebothcapableoflearning? A.Byusingstatistics. B.Byexplainingreason. C.Bypresentingstudyfindings. D.Bystatingopinions. 4WhatdoestheunderlinedpartforagingskillsrefertointhethirdParagraph? A.Theskillsofcommunicating. B.Theskillsofsackingfood. C.Theskillsofleaning. D.Theskillsoffindinganewhome.
15分TheHongKong﹣Zhuhai﹣MacaoBridgetheworld's1longcross﹣seabridgeentersthehistoryofhumanengineeringandconnectionasapointofprideupon2itopeningtotrafficat9amonOct.242018. Onedayaftertheopeningwasannouncedataceremony3holdinZhuhaithebridge'sportsinthreedifferentadministrativeregionsstartedservingtravelersaround﹣the﹣clockopening24hoursadaysevendaysaweek.4ensurefasterboundarycrossingsforpassengerstheMacaoandZhuhaiportsjointlyuseaone﹣offimmigrationclearancemodel5allowstravelerstoqueueuponlyoncetofinishbothexitandentryproceduresofthetwocitiesinabout6second. Apart7privatecarstaxisandgoodsvehiclestwotypesofpublictransportation﹣shuttlebus班车andcross﹣boundarycoach﹣﹣canalsorunontheHZMB.8frequencyofshuttlebusesisabout5﹣10minutesduringpeakhours.Bookingticketsfortheshuttlebusonlineinadvance9beavailablesince9amonTuesday.WiththebridgenowinservicethetravelingtimebetweenZhuhaiandHongKongInternationalAirportwill10shortenfromfourhoursto45minutesandthetimebetweenZhuhaiandHongKong'sContainerTerminalswillbecutfrom3.5hoursto75minutes.
如图学校各教室都配置了饮水机身高1.6m的小芳将放置在地面上标有“16.6L”的一桶水安装到饮水机上小芳所做的功最接近的是
30分Theroomintheworkhousewheretheboyswerefedwasalargestonehall.Atoneendthemasterinhiscook'suniformandtwowomenservedthefood.This1abowlofthinsoupthreetimesadaywithapieceofbreadonSundays.Theboysate2andwerealwayshungry.Thebowlsneverneeded3.Theboyspolishedthemwiththeirspoonsuntilthey4.Afterthreemonthsofthisslowstarvationoneoftheboystoldtheothersthatsohungrywashe5onenighthemighteatthe6sleepingnexttohim.Hehadawild7eyeandtheotherboys8him.Afteralong9theydecidedthatoneofthemshouldaskformorefoodaftersupperthateveningandOliverwas10. Theeveningarrivedthesoupwasservedandthebowlswere11againinafewseconds.Oliverwentuptothemasterwithhisbowlinhishand.Hefeltvery12butalso13withhunger. PleasesirIwantsomemore. Themasterwasafathealthymanbutheturnedverypale.Helookedatthelittleboyinfrontofhimwith14.Nobodyelsespoke. What?heaskedatlastina15voice. PleasesirrepliedOliverIwantsomemore. Themaster16himwiththeservingspoonthenseizedOliver'sarmsand17forthebeadle执事.Thebeadlecamequicklyheardtheterriblenewsandimmediatelyrantotelltheboard. Heaskedforme?Mr.Limbkinsthefattestboardmemberaskedin18.Isthisreallytrue? 19Oliverwasledawaytobelockedupandan20offivepoundswasofferedtoanybodywhowouldtakehimawayandusehimforwork. AdaptedfromOliverTwist雾都孤儿 1A.belongedto B.turnedto C.accountedfor D.consistedof 2A.nothing B.cleaning C.buying D.something 3A.washing B.cleaning C.buying D.changing 4A.finished B.starved C.shone D.slept 5A.that B.until C.when D.before 6A.boy B.master C.bowls D.spoons 7A.big B.bad C.angry D.hungry 8A.hated B.feared C.believed D.trusted 9A.quarrel B.bargain C.argument D.discussion 10A.elected B.chosen C.determined D.recognized 11A.full B.empty C.broken D.available 12A.shy B.brave C.worried D.frightened 13A.pleased B.hopeful C.desperate D.exhausted 14A.amusement B.amazement C.intension D.appreciation 15A.calm B.clear C.faint D.cautious 16A.hit B.treated C.greeted D.warned 17A.begged B.sent C.shouted D.asked 18A.horror B.sadness C.curiosity D.frustration 19A.Besides B.Therefore C.However D.Eventually 20A.award B.praise C.reward D.punishiment
8分Mid﹣afternoononaparticularlybusyTuesdayItookleaveofmydeskatworkandwalkedintoalocalStarbucksonlytofindaspacewhereneithermyclients客户normychildrenwouldaskmetodosomething. InsideIranintoKateaco﹣workerofmine.Thetopicofparenthoodcameup.Icomplainedabouthowpackedmyschedulewas.FromtheminuteIwokeuptotheminuteIfellasleepIwasconstantlyindemandandalwayshadsomeoneknockingatthedoor.ButabitofsadnessseemedtocomeoverKate'sface. Wellmydaughter'sinSanFranciscoandshedoesn'tseemtoneedmeatallthesedays.Katesaid.ItwasinthatmomentthatIrealizedalthoughImightoftenfeelinhighdemandtherewillcomeadaywhenI'llactuallymissthatsamestressInowcomplainabout. Andasourconversationcontinueditturnedtoourchildren'syoungeryearswithKatesmilingproudlythinkingofthelittleboyandgirlsheraisedwhoarenowamanandawoman.ButInoticedhersmilewasmarkedwithregret.Sheexplainedthatsheoftenwonderedaboutwhatshecouldhavedonedifferentlywhenherchildrenwereintheirearlieryears. ThisgotmethinkingIsregretanunfortunatefootnote注脚toparenthood?WiththatinmindIaskedsixolderparentsonequestionWhatisyourbiggestregretfromyourearlydaysasaparent? Itturnedoutthatallofthemthoughttheycouldhavedoneitbetter.Buteachofthemalsohasastronghealthyrelationshipwiththeirkids.Whateverregretstheirparentsmighthavehadabouttheirupbringingonethingisclear﹣itdidn'taffecttheminameaningfulway. ThebottomlineisweallfeellikewecouldbedoingthisparentingthingbetterAndquiteclearlyyearslaterwe'restillgoingtolookbackandwishwetriedthingsdifferently.Butthepastcan'tbechangedandneithershouldit. 1Whatcanbeinferredfromthefirstthreeparagraphs? A.Katehadthesameproblemastheauthor's. B.Thetwopeoplehadarrangedtomeetinthecoffeeshop. C.Katewenttothecoffeeshopsonoonecouldfindherthere. D.Theauthorwenttothecoffeeshoptoescapefromthepressuresaroundhim. 2WhydidKatefeelsadandregretful? A.Becausesheandherdaughterhadafight. B.Becauseshehadn'tpaidenoughattentiontoherkids. C.Becauseshewasdisappointedwithherkids'performance. D.Becauseshethoughtthatshecouldhavedonebetterinraisingherkids. 3Whatdidtheauthorfindwhenhespoketosixolderparents? A.Someoftheparentshaveabadrelationshipwiththeirkids. B.Hewasmovedbytheloveoftheseparentsfortheirchildren. C.Theseparentsimprovedtheirbehavioraftertheirkidsgrewup. D.Noneoftheparentswerecompletelysatisfiedwiththewaytheyraisedtheirkids. 4Whatshouldparentsdoaccordingtothelastparagraph? A.Givemorelovetotheirkids. B.Letyourchildrengrowupwithfreedom. C.Cherishthepresenttimeanddoone'sbesttobeaparent. D.Neverstoplearninghowtobeagoodparentfromothers.
如图所示小球从距离地面一定高度的O点沿x轴竖直落下不计空气阻力图象表示小球某种形式的能量E随下落高度x的变化情况.E可能表示小球的
10分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. NowadaysSenior3studentsaregenerallyfacedwithalotofpressurethatisrathercommon.Toreduceitthefollowingsuggestionmayhelp.Firstofallknowexactlywhatleadtoyourpressureandthenyoucantakemeasurestodealwithit.Secondlysetupagoalthatisnottoohighintheotherwordsdon'tputtoomanypressureonyourself.Thirdlyfindingawaytorelaxyourselfoccasionally.Forexampleyoucanlistenmusicgoswimmingorjustsimplegowalking.Eventuallymakefriendswithothersforexampleyourclassmatesyourteachersandourparents.Theywillunderstandyouandcometoyourhelpthoughyouarereallyintrouble.Inawordnevergetyourselfstuckinthepressureforimpossibleisnothing.
在“探究电流与电阻的关系”实验中 1请用笔画线代替导线按图1将图2中完成电路的连接 2利用图1所示电路实验得到图3所示的电流随电阻变化的图象.图中阴影部分表示的物理量是计算其数值是 3在每次换上不同的阻值的电阻R0都要调节滑动变阻器是使R0两端电压选填“增大”“不变”或“减小”.图1的电源电压9V某次接入一个阻值标注值模糊的电阻R0时正确操作后读出电流表示数此时滑动变阻器连入电路的阻值估计为2Ω则这次实验所接入的电阻R0为Ω.
8分Thealarmsounds.Studentsswingtheirbackpackovertheirshoulderboardtheschoolbusmaketheirwaytotheirhomeroomandthebellrings﹣schoolisback.ButformorehomesinAmericaschoollooksmorelikestudentswakingupmakingtheirwaytothediningroomorhomeofficesettinguplaptopsandlearninginthecomfortofhome. Virtual虚拟的schoolingdescribedasapublicschoolthatoffersonlyinstructioninwhichstudentsandteachersareseparatedbytimeand/orplaceandinteractionoccursviacomputersand/ortelecommunications电信technologieshasincreasedoverthepastdecade.AccordingtotheNationalEducationPolicyCenterenrollments注册人数invirtualschoolswas278518betweenthe2015﹣2016schoolyearandthe2016﹣2017schoolyearincreasedby17000. ForArizonaVirtualAcademyafull﹣timeonlinepublicK﹣12schooltheyuseK12Inc.curriculums.K12Inc.servesstudentsinall50statesandmorethan100countrieswithdigitallearningplatformsandtechnologyprovidingonlineeducation.Wealwaysareimprovingourplatformsandthetechnologythatweusetomakesurethatwe'rekeepingupwiththechangingtrendsnotonlywitheducationbutalsowithtechnologyDr.KellyVanSandesaid.Anotherpieceofnewtechnologythey'verolledoutisanewappwhereparentscanfindvirtualschoolsavailableintheirarea. CarrieFaulknerchosetoenrolltwoofherchildreninArizonaVirtualAcademy.Shesaysthey'vedoneschoolingonlineinChicagoinCaliforniaatrestaurantsandonhercousin'sfloorinKansas.Itdoesn'tmatterwhetherhehersonisonthecouchinhisbedoratthekitchentablehecandoschoolingwhereverhewantstoFaulknersaid.IwishtheyhaditformebackwhenIwasinschool.Thatwouldhavebeenawesome. 1Whydoestheauthorcomparethetwokindsofschoolinginthefirstparagraph? A.Toattackrealschooling. B.Togiveanexampleofvirtualschooling. C.Tointroducethetopicvirtualschooling. D.Todescribevividlystudents'goingtoschool. 2Howmanystudentsattendedvirtualschoolsduringthe2016﹣2017schoolyear? A.295518 B.17000. C.278518. D.147759. 3WhatcanweinferaboutArizonaVirtualAcademy? A.Theyprovidebothonlineandofflineeducation. B.They'reintendedforstudentsintheUnitedStates. C.Theirnewappletspeoplefindschoolsworldwide. D.Theirplatformsandtechnologyareveryadvanced. 4WhatisCarrieFaulkner'sattitudetovirtualschooling? A.Ambiguous. B.Cautious C.Supportive. D.Disapproving.
15分Thesilentkiller﹣airpollutioncausessevenmillionpremature过早的1deathayearnotjustin2developcountriesbutalsoinUKandtheUSAaswell.InChinapeoplearewellawareofthehealthproblemsitbrings. Icheckeveryparteveryday.IfithasheavyairpollutionIwillpreparemasksformyfamily.Idislike3whentheairisbad.BecausebadairmakesitdifficultformetobreatheandIthinkitdoesinfluencemy4performatwork.Anewresearchinchinahasalsofoundalinkbetweenairqualityandlevelsofintelligence.Inthestudy25000peoplelivingacrossChina5testinlanguageandmathskillslastyear.Theyfoundtheresultsofthose6livedinmorepollutedareaswere7negativeimpactedespeciallyinlanguages.Itaddstoagrowingbodyofevidencethatairpollutionhasaneffectnotjustonthelungsandheart8onthebrain. Thisresearchshowsthatthelongerweareexposedtoairpollutionthe9manyproblemswe'restoringupforlaterlife.CampaignershopethisstudywillpersuadetheBritishgovernment10thinkhardbeforeitpublishesitscleanairstrategynextyear.
8分Whenmyfathermarriedmymotherin1943hegavemymothera1937crowncoinandtoldhertokeepitinthebackofherpurseandnottospendit.Thiswouldmeanthatshealwaysfeltthatshewasprotectedandwouldalwayshavemoneyifshereallyneededit. WhenIwasmarriedin1970myhusbandwhohadheardthisstoryobtaineda1937crowncoinformeandIhavealwayskeptitinmywalletandIhavealwayshadenoughformyneeds. Afriendrecentlyfellonhardtimespartlythroughexternal外部的circumstancesandpartlythroughpoorplanning.FriendsandIhaveloanedhermoneypaidherbillsgivenherfoodandeventriedtoteachherbudgettechniquesbutnoneofthemhasbeenasolution.Shehasjustslippeddeeperanddeeperintofinancialtroubleanddepression. LastweekshelookedpaleandunwellverydepressedandhopelessverysadforafriendtoseeandIthenthoughtabouthowthecrowncoinaphysicalreminderofanother'scareandlovehadprotectedmesoIwenttothebankfora﹩100dollar﹣bill. Itoldmyfriendthestoryandaskedhertokeepthe﹩100inthebackofherwallet.Itturnedoutthatshedidn'thaveawalletsosheputthemoneyinalittlepencilcasewhereshekepthercoins.Sheimmediatelyfeltbetter﹣Ifeelrichandthankyouforbeingagoodfriendshesaidandwewerebothabitteary. IwenthomeandrememberedalittlewalletIhadthatI'dneverusedandthoughtI'llgivethattomyfriend.Iopeneditandinsidefound﹩100. 1Whatdidthe1937crowncoinfromtheauthor'sfathermeantohermother? A.Hisconcernforher. B.Hispityandprotectionforher. C.Hiscareandloveforher. D.Hisprideandrespectforher. 2Wheredidtheauthor'sfriendkeepthe﹩100dollar﹣bill? A.Inthebackofherwallet. B.Inalittlepencilcase. C.Inthepocketofherraincoat. D.Inthelayerofhersuitcase. 3Whatcanbeinferredfromthelastparagraph? A.Theauthorbecamerichallofasudden. B.Theauthor'sfriendwouldreceiveawalletasagift. C.Theauthor'sfriendwasnottouchedbyherstory. D.Theauthorfeltuncomfortablewhenreceivingthebill. 4Whatcanbethebesttitleforthetext? A.Acrowncoin B.Thehelptoafriend C.Ahardlife D.Agiftfrommyfather
在下列现象中可能引起保险丝熔断的是 ①插座中的两根线头相碰②开关中的两根线头相碰 ③电路中增加了大功率用电器④户外输电线绝缘皮损坏.
25分假定你是李华你的英国朋友David写邮件告知你他打算购买红楼梦ADreaminRedMansions英文版但不知道纸质版本和有声版本哪个更适合.请你给他提出建议要点如下 1.你的建议 2.你的理由至少两条 注意 1.词数100左右 2.可以适当增加细节以使行文连贯. 参考词汇有声读物audiobook
6分HerearesomeprofessionsAmericansconsidertobethemosthonest.Maybetherestofuscanlearnfromwhatthesepeopledotoestablishgoodrelationshipswithothers. MEDICALDOCTORS JackJacoubAge44FountainValleyCalifornia Itrytointroducemyselfinapleasantway.IsitdownIdon'tstand.Imakegoodeyecontactwiththepatientandhisorherfamily.Communicationskillsarekeyaswellasshowingunderstandingandavailability.Foraphysicianthesinglemostrewardingthingiswhensomeonewhohasseenyourworkchoosesyou. ENGINEERS ChrissyKeaneAge41CroftonMaryland Idon'tknowthatbeinganengineermeansyouareautomaticallytrustworthy.HoweverIdothinkthatmostengineersliketofollowrulesandbeorganized.Theytellyouwhattheythinkwhetheryouwanttohearitornot.Thoseareimportantelementsinbuildingtrust. POLICEOFFICERS G.M.CoxAge64FortWorthTexas AsapoliceofficerIhavethebestinterestsofthepeopleIserveinmyheartandinmyactionsandI'mgoingtotreateveryonethesameway.Ialwayswanttogouptopeopleandspeaktothemwithrespect.don'ttalkdowntothem.Youhavetoestablishandmaintainthattrust.Beequal! 1WhatdoesJackJacoubthinkimportanttodohisjob? A.Beingcommunicative. B.Experience. C.Self﹣introduction. D.Beingopen﹣minded. 2HowdoesGM.Coxtreatpeopleinhisjob A.Strictly. B.Cautiously. C.Equally D.Actively 3Whatdotheyhaveincommon? A.Theyarewarmhearted. B.Theydeservetrust. C.Theyfollowrules. D.Theyaregoodorganizers.
如图所示小刚透过装水的圆柱形杯子观察铅笔.手中铅笔的笔尖原来朝左的可他看到的像却是笔尖朝右则他看到的是铅笔的选填“实”或“虚”像这是因为杯子和水起到了凸透镜的作用选填“近”或“远”视眼镜用的就是这种透镜.若将铅笔继续选填“靠近”或“远离”杯子他所看到的像将会变成笔尖朝左.
登山是人们喜爱的一种健身方式登山时为避免后仰上身应稍向前倾同时背囊中较重的物品最好放在如图所示中的选填“A”或“B”位置处.图中背着背囊的人提起左脚时可看作以右脚跟o点为支点的一个杠杆请作出B点重物受到的重力和力臂.
如图所示的四个实例中其设计是考虑到要减小压强的是
8分Ride﹣hailingappsandrobotcarspromisetochangehowwegetaroundandtheeffectsarealreadybeingfelt.TrafficinNewYorkisslowingdown.JamsarecommoninManhattanespeciallyinitsbusinessdistricts.Daytimetrafficinthebusiestareasnowmovesalmost20%moreslowlythanitdidfiveyearsago. Itseemsaplaceripeforwideuseofride﹣hailingappsthatyoumightthinkwouldreducesomeofthejams.HoweverthoseappsappeartobemakingthingsworseastraffichasslowedinlinewiththegrowingpopularityofappssuchasUberandLyftastudybytransportexpertBruceSchallersuggests. OverthefouryearsofthestudythenumberofcarsinManhattanseekingride﹣hailingfaresincreasedby81%.Therearenowabout68000ride﹣sharingdriversacrossNewYork.That'saboutfivetimesthenumberoftheyellowcabslicensedtooperatetherehefound.Therearesomanydrivershisworksuggestswhospendabout45%oftheirsparetimejusttouringforfares.Thatisalotofunusedcarsblockingalotofbusystreets. Simplephysicsexplainswhyride﹣sharingvehiclesarecausingnotcuringjamssaidJarrettWalkerapublictransportpolicyexpertwhohasadvisedhundredsofcitiesaboutmovingpeople. Lotsofpeoplearedecidingthat'Ohpublictransportisjusttoomuchtroublethismorning'orwheneverwhichcausesashiftfromithetoldtheBBC.Thatmeansmovingpeoplefromlargervehiclesintosmalleroneswhichmeansmorevehiclestomovethesamepeople.Thereforemoretraffic. Datagatheredaboutride﹣sharingdriversillustrateshowtheycontributetocongestion塞车saidProf.ChristoWilsonacomputerscientistatNortheasternUniversitywhohasstudiedtheservices.YoucanlookatthetrafficpatternfortheUbervehiclesanditperfectlymatchesthepeaksfortherushhourandthepeaktimeofadayhesaid.Theyareoutthereinforceattheworstpossibletimes. 1WhatcanweknowaboutthecabsinNewYork? A.Morecabsareneededtomeetthedemand. B.Theyoftentouraroundthecityseekingusers. C.Theirfaresincreasedgreatlyoverthefouryears. D.Thenumberofthemisfarlessthanride﹣sharingcars. 2WhatisChristoWilson'sattitudetowardride﹣sharingpractice? A.Neutral B.Negative C.Indifferent D.Supportive 3WhichofthefollowingbestreplacesitunderlinedinParagraph5. A.Ajam. B.Publictransport C.Acar. D.Aride﹣sharingvehicle. 4Whatisthebesttitleforthetext? A.WorseRoadJams. B.AppMakesTerribleJams. C.EffortsNeededforTraffic. D.TechnologyCountsinFuture.
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