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如图是家用豆浆机,请根据图示回答下列问题: (1)制作材料中属于有机合成材料的是 (填编号). (2)④中利用了铜的 性. (3)豆浆中含有的营营养素有 (一种即可).
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豆浆机由于快捷方便而进入千家万户如图是豆浆机示意图请回答相关问题1豆浆机的制作材料中属于有机合成材料
用豆浆机制作豆浆的过程是:按合适的比例把豆料清水放人豆浆机中经过预热打浆加热等程序.即可制成熟豆浆.
豆浆机由于快捷方便而进入千家万户.如图是豆浆机示意图.请回答相关问题1豆浆机的制作材料中属于有机合成
如图是家用豆浆机请根据图回答下列问题1制作材料中属于金属材料的是填一种2属于合成材料的是选填一种物质
如图是家用豆浆机请根据图示回答下列问题1制作材料中属于金属或合金的是________选填一种物质编号
.图是家用豆浆机请根据图回答下列问题1制作材料中属于金属或合金的是2属于合成材料的是选填一种物质编号
右图是家用豆浆机请根据图回答下列问题1制作材料中属于金属或合金的是选填一种物质编号2属于单质的是选填
小明家买了一台全自动豆浆机其部分技术参数如下表豆浆机的核心部件是机头它的中间部位是一个带动刀片旋转的
前几年问题奶粉事件的曝光使人们转而开始青睐豆浆豆浆的热销也使家用豆浆机开始走俏豆浆机的走俏是因为
豆浆是生活必需品
等量豆浆的价格低于奶粉
豆浆和奶粉互为替代品
豆浆机和豆浆是互补商品
豆浆机由于快捷方便而进入千家万户如图是豆浆机示意图请回答相关问题1豆浆机的制作材料中属于有机合成材料
10·绵阳小虎的妈妈购买了一台家用豆浆机其部分技术参数如下表说明书介绍了制作豆浆的过程按合适的比例把
小明的妈妈购买了一台家用豆浆机其部分技术参数如下表小明对制作豆浆的过程进行了观察把豆料清水放入豆浆机
下图是家用豆浆机请根据图回答下列问题1制作材料中属于金属材料的是填一种2属于合成材料的是选填一种物质
下图是家用豆浆机据图回答下列问题1制作材料中属于金属或合金的是________选填一种物质编号下同2
小明的妈妈购买了一台家用豆浆机其部分技术参数如下表小明对制作豆浆的过程进行了观察把豆料清水放入豆浆机
用豆浆机制作豆浆的过程是:按合适的比例把豆料清水放人豆浆机中经过预热打浆加热等程序.即可制成熟豆浆.
小明的妈妈购买了一台家用豆浆机其部分技术参数如下表小明对制作豆浆的过程进行了观察把豆料清水放入豆浆机
右图是家用豆浆机请根据图回答下列问题1制作材料中属于金属或合金的是选填一种物质编号2属于单质的是选填
豆浆机由于快捷方便而进入千家万户根据如图所示的豆浆机示意图回答相关问题1豆浆机的制作材料中属于有机合
如图1-12所示的是一台家用豆浆机小凡仔细观察了豆浆机的构造和制作豆浆的过程发现其中用到了许多物理知
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圆锥的母线长为8cm底面半径为6cm则圆锥的侧面积是
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. Myfatherisapoliceman.Onacoldwintereveninghesawoldbeggarsittinginasquareoutsideashoppingcenter.Hisshoeshadbeenwornoutandhistoesstickout.Seehisfrozenfeetmyfatherfeltsad.Heleftandreturnedbackwithapairofnewshoesandsocksthatheboughtatanearbystore.Hekneltdownonthegroundbuthelpedtheoldhomelessmanputiton.Hisrandomactofkindnessmeltedtheheartsofthepasser﹣by.Awomanbroughtanoldblanketfromherhousetoprotectthebeggarwiththefreezingcold.Thebeggarwastouchedandsaiditwasnicetoknowthatangelstruewalkonearth.
LearntoCiteSources引用资料 Duringyouruniversityeducationyou'llbeexposedtoideasandscientifictheoriesofscholarsandscientists.Unavoidablyyourownideaswillbeshapedbytheideasyoucomeacross.1Thatmeansyoushouldgobeyondwhatyoulearninyourtextbooksorinthelibrary.Youroriginalworkisthebasisforyourprofessor'sevaluationofyourperformance.Thusacademichonestyisfundamentalinyouruniversityeducation.Itdemandsthatyoucitethesourcematerialsyoubaseyourownworkon.2. Correctlycitingyoursourceshelpsyoudistinguishyourownideasfromthoseofotherscholars.Onthereaders'sideitpermitsareadertodeterminethedepthofyourresearch.3Onthecontrarylackofcitingwillonlyraiseyourreader'sdoubt. Soyouneedtolearnwhentociteandhowtoprovideanadequateoraccuratereferencelist.Ifyoufailtociteyoursourceswhetherdeliberatelyorcarelesslyyouwillbefoundresponsibleforplagiarism抄袭.4Ifyouarenotsureaskyourprofessorforguidancebeforesubmittingthepaperorreport.Keepinmindthisgeneralrulewhenindoubtcite! 5ForexamplestudentsfromEastAsiamaythinkthatcopyingdirectlyfromsourcesistheproperwaytodoresearch.StudentsinFrancepreparingforthefinalexaminationmaybeencouragedtomemorizewholepassagesandcopythemintopapers.Thoseculturaldifferencescanleadtofalseassumptionsaboutacademicexpectationsinthecountryyoustudyin. A.Someuniversitystudentsmaycheatindifferentways. B.Theseincludeotherscholars'ideasfiguresgraphsandsoon. C.Theacademicchallengeyoufaceistomakesomethingoriginal. D.Oftenstudentswanttouseothers'opinionstosupporttheirownessays. E.Italsoallowsareadertoappreciateyouroriginalcontributiontotheresearch. F.Forinternationalstudentsitisimportanttoknowlocalacademicexpectations. G.Notknowingacademicregulationsisanunacceptableexcuseforsuchbehavior.
8分OnWednesdayJanuary13thIperformedonstageforthefirsttime.Assomeonewhotakespartinsomanyactivitiesit'sextremelydifficulttofindthetimetobeapartofanyproduction.Formeitwasaonce﹣in﹣a﹣lifetimeopportunitytotryactingthroughtheSeniorPlayProject. Auditions试镜camefirst.Theyweren'tparticularlydifficultmoretoseewhomaybeabetterfittorcertainroles.Weweretoldourrolesinthevariousplaysandstartedtoworkimmediately. IwasunsureofhowIwasasanactorandIhadtolearnalotfastactionsmyplaceinthestorymyreactionsandcountlessothersmalldetails…AsIbegantoimproveasanactorIwasabletounderstandmycharactersbetter. MyfirstcharacterisamannamedRogerwhoisasenioradvisortoapresidentialcandidateinaplaycalledTheSpot.He'sashort﹣temperedguywhosayswhathewantsandtakeswhathewantstoassisthiscandidateintoday'stoughpoliticalraces.He'sonthesetofTheSpotanadvertisementforthecandidatetomakesureeverythingrunssmoothlyandthatanyproblemsaredealtwithquicklyandefficiently. WhileIhadreallyinterestingcharactersandtheplayswerefunnyandsuchagreatexperiencetoactinIreallylovetheSeniorPlayProjectforthepeople.Iworkedwith12otherseniorswhonotonlylovedwhattheyweredoingbutofferedhelpandadvicethroughoutmyentirelearningprocess. Betweenthelightssoundscostumeandmakeupandplentymoretheatreisateamsportjustlikebasketballorbaseball.Therearenosmallpartsthereisnoonewhoisn'tneeded.I'velearnedtoappreciatelivetheatreandtheeffortthateverypersonintheshowbothonstageandoffstageputsintoit. 1Howdidtheauthorfeelaboutbeingintheproject? A.Lucky. B.Tired. C.Nervous. D.Confident. 2WhatdoweknowaboutthecharacterRoger? A.Hemeanswhathesays. B.Heputsupanadvertisement. C.Hegivesadvicetothecandidate. D.Heisrunningforpresident. 3Whatdoestheauthorlikemostabouttheproject? A.Thepeople. B.Theplays. C.Thecharacters. D.Thecostume. 4Whatcanbeasuitabletitleforthetext? A.TheSeniorPlayProject. B.ActingfortheFirstTime. C.WhatMakesaGoodActor. D.ALessonLearntthroughActing.
15分CalligraphytheartofwritingwasthevisualartformprizedaboveallothersintraditionalChina.Paintingwascontemporarywithcalligraphysharing1sametools﹣namelybrushandink.Yetcalligraphywasregarded2afineartlongbeforepainting. ThestatusofcalligraphyreflectstheimportanceofthewordinChina.3makesthewrittenwordsdistinctiveisitsvisualform.Howeverdespiteitsabstract4appearcalligraphyisnotanabstractform.Chinesecharactersaredynamiccloselyconnectedwiththeforcesofnatureandthekinesthetic运动energiesofthehumanbody. Howcanasimplecharacterconveyallthis?Theuseofbrushandink5havemuchtodowithit.Acalligraphercancontrolthe6thickoftheinkbyvaryingboththeamountofwaterandthesolidink.Oncehestartswritingbyloadingthebrushsometimeswith7muchinkorsometimeswithlesshecreatescharactersthatresembleashowerofrockshereandadropofdew露珠there. TheChinesewrittenlanguage8begintodevelopmorethan3000yearsagoand9eventualevolvedintofivebasicscripttypes.Overthecenturiescalligrapherswerefreetowriteinanyofthem10dependonthetext'sfunction.Thecalligraphictraditionremainsalivetoday.
△ABC中∠C=90°BC=12AB=13那么sinA的值等于
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25分假定你是李华你们学校的英国交换生Jeff准备参加外国人讲中国成语idiom故事比赛他发邮件请你给予辅导.你回复邮件内容包括 1.答应帮助 2.提出建议 3.询问辅导时间与地点. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯. DearJeff Yours LiHua
30分AfriendwascastinTheSoundofMusic.Timsuggestedourdaughtersmightenjoybeinga1ofthemusical. Youcantryoutforthebandhesaid. NoI'mtryingoutfortheshow.Ianswered.Buttherewasoneproblemwithmy2I'dneverbeeninamusical.AndI'dneversung3. Mydaughterswantedto4sowememorizedshowtunesandpreparedtoaudition试镜.Asouraudition5Ifeltnervousandwantedtogiveup.ButIknew6wouldsetabadexample. Whetheryou're7ornotisn'timportant﹣doingyourbestiswho8I'dbeentellingthem.NowIhadtoliveit. Iwalkedintotheaudition.TosayIwas9wouldbeanunderstatement.Afterallmylastauditionhadbeeninhighschool.Isangmysongtryingtolookconfident.Mydaughtersdidagood10.Thenwewaitedfortheresult.Thegoodnewsisthatweall11it!NotonlywasIcast﹣Iwasalead! ToprepareI12tothecattheshowerandthedisheswhenaloneIknewI'dhavetogetovermy13ofperforminginpublic.Afterallthis'dbemyfirsttimetosinginpublic.Iwasalittlenervous. Itoldfriendsandfamilyaboutthe14.Ididn'twantthetheatertobe15butIdidn'tnecessarilywantitpackedeither.16ifitwerefullIpreferredtofillitmyselfwith17faces. Theshowwassuccessful.Friendsandacquaintancesall18us.AfterthatexperienceI19moreauditionsandevenlearnedtoenjoysingingonstage.AndIfilledmylifewiththesoundof20. 1A.director B.maker C.role D.singer 2A.declaration B.suggestion C.judgment D.production 3A.secretly B.loudly C.irresponsibly D.publicly 4A.tryout B.catchon C.tryon D.setoff 5A.ended B.approached C.failed D.continued 6A.lying B.quitting C.cheating D.talking 7A.found B.paid C.cast D.forgiven 8A.matters B.remains C.happens D.works 9A.happy B.curious C.nervous D.disappointed 10A.favor B.job C.deed D.survey 11A.got B.made C.caught D.reached 12A.spoke B.smiled C.danced D.sang 13A.laziness B.urge C.shortcoming D.fear 14A.show B.trouble C.band D.experience 15A.large B.noisy C.empty D.quiet 16A.Besides B.Therefore C.Anyhow D.However 17A.new B.attractive C.friendly D.similar 18A.welcomed B.noticed C.supported D.congratulated 19A.organize B.braved C.watched D.analyzing 20A.music B.life C.hope D.future
8分IvisitedElbalastJunejoiningMaryandJohnonabicyclingvacation.Theymadethearrangementsforthecarhotelandbicycles.IstudiedthehistoryoftheislandwhichofcourseparticularlyfeaturesNapoleon. NapoleonnowIknowpickedElbaasaplaceforpeacewhenhewasforcedtogiveupthethrone王权asEmperorofFrancein1814.FarfrombeingaprisonislandElbaisbeautifulwithtoweringmountainsthickforestsandsweepingbaysandbeaches. Itisalsoanislandfilledwithtreasure.Veryearlyonthisislandlocalsdiscoveredrichdepositsofiron.Soonoutsiderstoodiscoveredtheironand150othervaluablemineralsonthislittlepieceofland.LongbeforeEtruscansandotherGreekssetfootonitDorianshadmovedinbythetenthcenturyB.C.andwereminingtheisland.TheRomansrulednextobtainingthemineralsandbuildinggrandhousesoverlookingthesea.FromthetwelfthcenturyuntilthenineteenththeislandwastradedbackandforthandwaspassedtoFrancein1802.ThencameNapoleonthenewrulerofElba. IwaseagertovisithishouseinPortoferraio.TheEmperorlivedwithhiscourtandhismotherbuthiswifeMarieLouisehadensconcedherselfinthesplendidViennesepalaceofherfatherEmperorofAustria.Shelivedsafelythereandshowedlittleinterestinvisitingherhusbandinhismini﹣kingdom.ApparentlyNapoleonwasn'ttroubledmuchbythis.Hewastoobusyridingeverywhereonhorsebackbuildingroadsmodernizingagricultureandaboveallsharpeninghistinyarmyandnavyintoreadinessforhisescape. IntheformalgardensbehindthehouseitseemedtomethatIcouldimaginetheexiled流放的conqueror'sanxiousthoughts.HemightgazeoverwhereIstoodnowtowardthelighthouseoftheStellafortthesandybayandacrossitthegreenmountainsoftheTuscancoast.NapoleonspentonlytenmonthsherebeforemakinghisvictoriousreturntoFranceandthethrone. 1WhatdidtheauthordoforthevisittoElba? A.Hedidresearchonitspast. B.Hearrangedtransportation. C.Heplannedbicyclingroutes. D.Hebookedaccommodation. 2WhomightbetheearliestoutsiderstoElbaaccordingtothetext? A.Napoleonandhisarmy. B.EtruscansandotherGreeks. C.Dorians. D.Romans. 3Whatdoestheunderlinedwordensconcedprobablymean? A.Settled. B.Locked. C.Cured. D.Controlled. 4Whatcametotheauthor'smindduringhisvisittoNapoleon'sgardens? A.BeautifulviewsonElba. B.TerriblelivingconditionsonElba. C.Napoleon'sambitiontoregainpower. D.HardshipofNapoleon'sreturntoFrance.
10分ThreeinfivepeopleintheUKholdalibrarycard.Forsomethey'reashelterfromthestressesofday﹣to﹣daylife.1Ifyou'reconsideringjoiningyourlocallibrarynowisthetimetodoso.Andifyouneedanymoreencouragementhereareseveralreasonswhyyoushould. MostlibrariesintheUKallowmembersofthegeneralpublictocomeandgoastheylike.2Youcanalsotakeoutalibrarycardandborrowbooksforfreealthoughyouwillinevitablyfaceafineforlatereturns. 3Imaginejusthowmanybooksyouhaveatyourfingertipswithalibrarycard?Therearelotsofmodernonesaswellasoriginalsandyoucancontinuetoexpandyourlearningandvocabularyallthetime.It'sapricelessexperienceespeciallyforkidsandalsoagreatwaytoleveltheeducationalplayingfield. Librariesdevelopwithtimes.Theyhavechangedgreatlysincedecadesago.4Somelibrarieshaveappssoyoucanseewhenyourbooksareduebackandevenreservebooksinsomecases.Therearealsolibrarieswhichletyouaccessbooksindigitalformatsonyourmobiledevice﹣prettycool. Librariesareoneofveryfewspacesleftintownsandcitieswheremembersofthepubliccancometogetherandactuallybeandfeellikeacommunity.Theyhavenoticeboardstoofferserviceslikeexerciseclassesorlearningcenters.5. A.Librarieshelppeoplelearn. B.Librarieshelpeducatethekids. C.Theycreateagreatsenseofcommunity. D.Youcangoinsettledownandreadabookwithoutbeingchargedapenny. E.MostlibrariesnowhavecomputersandallowpeopletoborrowCDsandDVDs. F.Librarieshelpussavemoneyaswe'reborrowingbooksratherthanbuyingthem. G.Forothersparticularlythehomelessandpeopleinpovertyalifelinetotheworld.
8分Whenreturningtosouth﹣westernGermanywheremyparentsliveitiscompulsoryformetogoonahiketoconnectwithnatureandreconnectwithmyself.SothatisexactlywhatIdidthefirstsunnySundaybackinthebeautifulBlackForest.TheHuzenbacherSeeisatarninthemiddleofthenorthernBlackForestwithabundantnaturesurroundingit.ApproachingitafteragoodhourwalkIsawfascinatingbluedragonfliesinquantitythatattractedusbythewaytheyflewaround.Theydidn'tstandstillforaphotoastheylandedonleavesforasplitsecond.WewerealsosurprisedattheyellowwaterliliesthatcanbeseenfloatingonitssurfacebetweenJuneandJuly. Sittingdownatoneofthebenchessurroundingthelakeforapicnicwassatisfyingintwoways.Iwasawareoftheworld'sbeautythatgavemetheenergytocontinueupthemountaintoreachthemostamazingviewlookingoverthelake.Theotherwastoreallyfillmyselfupinordertocontinuetheadventureadequatelyfulluponsomesnacksandrefreshingwaterfromthewell. Thehikeupwasn'tashardasexpectedandagoodpathwasprovidedwithdirtyrocksandslipperystonesallundertheshadeofthetalltrees.Thistookaboutanhourandahalfuntilreachingthebeautifulviewofthelakeandlandbelow.Oncewehadtakenintheastonishingviewsthewalkbackdowntookanotherhourorsomakingthehikea3﹣to4﹣hourroundtripwhichwaswellworthit! SimplybeingbackintheBlackForestandhavingsuchpleasanthikesisdefinitelygoodforthesoulandIhighlyrecommendgettingyourselfoutsidebeitintheBlackForestoranywhereoutdoors.GetyourintakeofvitaminDandmostimportantlytakeinthemomentsthatnaturehastooffer. 1WhatdoestheunderlinedwordtarninparagraphIreferto? A.Tree. B.Tower. C.Lake D.Village. 2Howdidtheauthorfeelwhensittingonthebench? A.Tired. B.Content. C.Surprised. D.Excited. 3Whatdidtheauthorcallonpeopletodo? A.TakevitaminDpills. B.Loveandprotectnature. C.Savethesoulandbeyourself. D.Gooutdoorsandgetclosetonature. 4AccordingtotheauthorbeingbackintheBlackForestandhavingpleasanthikesdoesgoodtoone's. A.health B.spirit C.character D.experience
25分假定你是李华你校英国交换生John想利用假期到中国各地旅游发邮件向你询问如何购买火车票.请你回复邮件内容包括 1.所需证件护照 2.购票方式售票窗口网上 3.车站取票. 注意1.词数100左右 2.可以适当增加细节以使行文连贯. DearJohn ﹣﹣﹣﹣ Yours LiHua
8分DepressionandsuicidalthoughtshavedoubledinyoungAmericansaccordingtoanewstudyfromtheAmericanPsychologicalAssociation. Likelytriggers?Cellphonesandsocialmedia. MoreUSadolescentsandyoungadultsinthelate2010svsthemid﹣2000sexperiencedseriouspsychologicaldistressmajordepressionandmoreattemptedsuicide自杀saysleadresearcherJeanTwengeprofessorofpsychologyatSanDiegoStateUniversity.Thesetrendsareweakornon﹣existentamongadults26yearsandoversuggestingagenerationalshiftinmooddisordersinsteadofanoverallincreaseacrossallages. Twengebelievesthistrendispartiallyduetotheexplosionofdigitalcultureoverthepastdecadewhichmayhavetwistedmodesofsocialinteractionenoughtoaffectmooddisorders. ThestudyanalyzeddatafromtheNationalSurveyonDrugUseandHealthwhichtrackeddrugandalcoholuseandmentalhealthissuesinmorethan200000youthsaged12to17from2005to2017andalmost400000adultsfrom2008to2017. Majordepressioninthelast12monthsincreasedby52percentinkidsfrom2005to2017and63percentinyoungadultsaged18to25from2009to2017.Therewasalsoa71percentjumpinyoungadultsexperiencingseriouspsychologicaldistressintheprevious30daysfrom2008to2017. Sowhat'ssodifferentnow?Twengesaysresearchshowsyoungpeoplejustaren'tgettingasmuchshuteyeastheydidinpreviousgenerations. WhereasolderAmericansmighthaveestablishedmorestabilityintheirlivessleep﹣disruptingsocialstressorsarelikelyattheirpeakforteensandyoungadultsinthisdigitalerashesays.Olderadultsarealsolesslikelytoletdevicesinterfere干预withsleep. Theseresultssuggestaneedformoreresearchtounderstandhowdigitalcommunicationversusface﹣to﹣facesocialinteractioninfluencesmooddisordersandtodevelopspecializedinterventionsforyoungeragegroups. Hersuggestion?Putyourphonedownatleastanhourbeforebedtime. 1HowisParagraph6developed? A.Bystatingfacts. B.Bygivingexamples. C.Byprovidingstatistics. D.Bypresentingtheories. 2WhatmightProfessorTwengeagreewith? A.Mooddisordersshownodifferenceacrossallages. B.Teensarelesslikelytoletdevicesinterferewithsleep. C.Digitalculturalexplosionmightcausedepressioninteens. D.Thepastdecadehasseenasharpdecreaseinteensmentaldisorders. 3WhatdotheunderlinedwordssocialstressorsinPara8mean? A.Interactionmodes. B.Mentalhealthissues. C.Drugandalcoholuse. D.Cellphonesmidsocialmedia. 4Fromwhichisthetextprobablytaken? A.Abiologytextbook. B.Asciencemagazine. C.Atravelguidebook. D.Amedicalcase.
如图在每个小正方形的边长均为1的方格纸中有线段AB和线段CD点ABCD均在小正方形的顶点上. 1在方格纸中画出以AB为斜边的等腰直角三角形ABE点E在小正方形的顶点上 2在方格纸中画出以CD为对角线的矩形CMDNCMDN按顺时针排列且面积为10点MN均在小正方形的顶点上 3连接ME并直接写出EM的长.
40分Ahumpbackwhaleisstrugglinghardinthesea.Thehumpbackscanweigh40tonsandstretch50feelfromnosetotail.That'sthekindof1andsizethateasilyoverturnsmallboats.Tojumpontothe2ofoneofthesegiantsis3toresultinadisaster.Butthat'sjustwhatSamSynsleliendidwhenhesawahumpback4caughtinaropethatwas5toabuoy浮标inCentralCaliforniansMorroBaythisweek. SamalongwithcrewmateNicholasTaronhadalreadytried6theunfortunatewhaletotheU.S.CoastGuard一buttheyweretolditwouldbehoursbefore7couldbesent.8thecommercialfishermen9thiswhaledidn'thave.Ifthewhalewasto10theyhadtogogetit.Therewasnoother11forthewhale.Theydecidedtogoforittotally12thefear.Turon's13intherescuewasmostlyinthe14cheeringdepartment.Intheclipyoucanhearhimdirectingtheoperationfromthesideoftheboatwhilefilmingtheentire15. Swim!Swim!HeyellsMove!Justgetit!Getit! Theanxiouswhalewasjustswimmingincounter﹣clockwisecircles16andbeingheldtothebottom.Itthrewitsheavytailagainsttheboat.ButSam17itandjumpedontothewhale'sbacktosaveitslife.Hemanagedtohanginthere18cuttingthroughtheropethat19thecreature.Andthenwithawhoosh击水声itdovedeepdownbeneaththegreat20.Itwasn'tmuchofathankyoubutSynstelienandTaronwereleftwithawhaleofatale. 1A.length B.violence C.ability D.weight 2A.nose B.head C.back D.tail 3A.willing B.likely C.anxious D.flexible 4A.hopelessly B.loosely C.curiously D.secretly 5A.stuck B.directed C.adjusted D.attached 6A.shipping B.delivering C.reporting D.hunting 7A.boats B.rescuers C.fishermen D.experts 8A.Strength B.Advantages C.Patience D.Hours 9A.figured B.objected C.hesitated D.proved 10A.paddle B.survive C.relax D.breathe 11A.barrier B.accommodation C.option D.equipment 12A.hiding B.exhibiting C.fostering D.ignoring 13A.interest B.ambition C.role D.contribution 14A.disturbing B.enthusiastic C.clumsy D.scared 15A.operation B.creature C.performance D.fighting 16A.silent B.stressed C.confused D.unconscious 17A.wrestled B.spotted C.trained D.approached 18A.eventually B.naturally C.directly D.normally 19A.prohibited B.injured C.tied D.monitored 20A.waves B.noises C.ferry D.darkness
在平面直角坐标系中抛物线C1y=ax2+4x+4a0<a<2. 1探究与猜想若A1yaB0ybC﹣1yc三点均在C1上连接BC作AE∥BC交抛物线C1于E. ①探究取a=1则点E的坐标为. ②猜想当a值变化时E点总在直线上验证你的猜想. 2如图2若a=1将抛物线C1先向右平移3个单位再向下平移4个单位得到抛物线C2C2交x轴于M交y轴于N直线y=kx﹣9交抛物线C2于PQ当PM∥QN时求k的值.
已知如图CD⊥AB垂足为D点F是BC上的一点FE⊥AB垂足为E且∠1=∠2求证DG∥BC.
12分About6yearsagoIwasonaplanenexttoawoman.Iwastiredandwantedtotakeanap.ButbeforeIcouldgointoignorepatternshetappedmeontheshouldertointroduceherself. HimynameisHelga! WegottotalkingandeventuallyitcameupthatIhadstartedanorganizationinhighschoolcalledR.A.K.E.RandomActsofKindnessEtc..AsIdescribedwhatwedidHelgagotveryseriousandtoldmethatsheadmiredmeforthat.Shetoldmeastoryaboutthelasttimeshehadflown.ShewasonthewaytoArizonabecauseshehadgottensuddennewsthatherdad'shealthwasonthedecline.Laterherfather'sphysiciancalledtoinformherthatherdadhadrathersuddenlypassedaway.Forthe3﹣hourplanerideshesatinsilencearoundstrangers. WhenshearrivedattheairportinArizonashewalkedtothenearestwallsatdownandcried.AndhereisthepartI'llneverforgetaboutHelga'sstory.For2hoursshesatandweptwhilethousandswalkedtoandfrointheairport.HelgalookedalmeandsaidHoustonnotasinglepersonstoppedandaskedifIwasokaythatday.ItwasthatdaythatIrealizedhowmuchweneedeachother.ItwasthatdayIrealizedthatkindnessisn'tnormal. Kindnessisn'tnormal.Thathasstuckwithmealltheseyearsespeciallynow.Iworkinschoolsnationwidespeakingaboutsympathykindnessempathy同理心andlove.I'mremindedallthetimethatformanyofuskindnessisnotusuallyourdefaultsetting.Wespendsomuchtimeworryingaboutourproblemsourlivesourinsecuritiesgettingtoourflightsowewalkbyorignorepeopleinneedofhelp. SoI'vemadeitmymissiontodomypartinsharingstorieswithstudentsteachersandparentsaboutourneedforcharacterandsympathy.I'malwaysbeonthelookoutforthelittleopportunitiesthatsurroundmeeverydaytodosomethingnice. 1WhatimpressedtheauthormostaboutHelga'sstory? A.Helga'sanxietyoverherfather'ssuddenillness. B.HelgahadnoonetotalktoonherflightloArizona. C.Helgawasignoredbypeoplearoundherwhenshecried. D.Helgacouldn'tgetoverhersadnessoverherFather'sdeath. 2Whichcanbestexplaintheunderlinedpartdefaultsettinginparagraph5? A.Usualwayofdoingthings. B.Unexpectedwaytodothings. C.Ignorancetopeoplearound. D.Biggestsurprisetoothers. 3Whatcanweknowabouttheauthor? A.Hestartedmanyclubsinhighschool. B.Heusedtobeaschoolteacher. C.Heteacheskidshowtobehavewell. D.Heisapromoterofagoodcause. 4Whatcanbeasuitabletitleforthetext? A.ComfortingPeopleinNeed B.MakingKindnessNormal C.IgnoringUnnecessaryTroubles D.PractisingKindnessonthePlane
30分IwasoftentoldthatGodlovedme.Iwantedtobelievethatsomuch. Fornearlya1Iwasshuttledbetweenadoptivefamiliesandgrouphomes﹣14ofthem.Somefamilieswerenice.Otherswere2likeevilsinadarkfairytale.Attheageof12Iwasfinally3byGayandPhilCourteracouplewithtwoadultsons.GaysaidWelivedfora4andwebelievethatreasonisyou. I'dbeenliedtobyadultssomanytimesinthepastyears.Iwasn'tsurethey5lovedme.Therewillbeno6.AllthoseparentswereprettymuchthesameIsaidtomyself.I7tocallthemMomandDad.Iwasparticularaboutthehome﹣cookedmealsGay8prepared.Ihidinmyroomasmuchaspossible.Iwantedtomakethem9sothey'dshowtheirtruecolors. OneFridaynightintheeighthgradeIreally10thingstothelimit.Aneighborhoodgirlhadpersuadedmeto11outofthehousewithhertomeetsomeboys.IputAdvil镇痛药inmyparents'drinksafterdinner12itwouldmakethemsleepy.Wow!I'dneverseenthemso13.NowtheywouldsurelysendmebackIthought.Insteadtheysaid.Ashleywearefamilywehavenowheretosendyoubacktowemust14thislikeafamily. Iranin15tomybedroomwhereIspenttheweekend.SeeinghowmuchI'ddisappointedthemmademe16.Noonehadevercaredformelikethat.Ididn'tdeservethis17. SundaynightGaycameintomyroom.She18downandkissedmycheek.Loveyousweetieshesaid.ForthefirsttimeeverIkissedherback.LoveyoutooIsaid.Thatword﹣love﹣soundedso19yetfeltsotrue.Iwasdiscoveringthatloveiswhatmakesan20. 1A.fortnight B.week C.month D.decade 2A.cruel B.mad C.angry D.strange 3A.moved B.discovered C.adopted D.persuaded 4A.family B.kindness C.love D.reason 5A.possibly B.finally C.truly D.certainly 6A.point B.choice C.difference D.evidence 7A.started B.refused C.wanted D.agreed 8A.happily B.painstakingly C.willingly D.easily 9A.mad B.relaxed C.content D.shocked 10A.dragged B.proved C.pulled D.pushed 11A.run B.jump C.slide D.break 12A.discovering B.observing C.seeing D.thinking 13A.nice B.angry C.different D.cruel 14A.dealwith B.putdown C.lookthrough D.writedown 15A.joy B.tears C.anger D.laughters 16A.ashamed B.annoyed C.excited D.satisfied 17A.service B.honor C.honesty D.kindness 18A.bent B.took C.put D.broke 19A.different B.popular C.strange D.familiar 20A.group B.family C.adult D.union
15分TheForbiddenCityinBeijinghometothePalaceMuseumhousesmorethan1.8millionculturalrelicsandisoneoftheworld'smostvisitedtouristattractions. 1markthe600thanniversaryoftheForbiddenCitythePalaceMuseumwillholdaseriesofeventsthroughout2020.Over20exhibitionswillbeheld2coverdifferentareassuchashistoryartfestivalsandsoon.ForthespecialoccasionAlongtheRiverduringtheQingmingFestivaloneofChina'smost3wideknownmasterpieceswillgoondisplayinSeptember2020.For4itbestpreservationthistreasuredartworkisseldomfullyexhibited.Thepainting5displayforthefirsttimebackin2005tocelebratethemuseum's80thanniversary.Such6raresightisexpectedtodrawhugecrowds.Inadditionthemuseumwillalsodisplayexhibitsfromother7country. DuringthepastfewyearsthePalaceMuseumhasbeenworkinghardtogetthepublicfamiliar8thehistoryandcultureoftheForbiddenCity.Anditseemsthattheseeffortshavebeenpayingoffwithits9popularreachinganewheight.Over17millionpeoplevisitedthemuseumin2018of1040percentwereunder30yearsold.
为迎接军运会市政府准备采购若干套健身器材免费提供给社区经考察某体育器材公司有AB两种型号的健身器可供选择. 1体育器材公司2017年每套A型健身器的售价为2.5万元经过连续两年降价2019年每套售价为1.6万元求每套A型健身器年平均下降率n 22019年市政府经过招标决定年内采购并安装劲松公司AB两种型号的健身器材共80套采购专项费总计不超过112万元不少于110万元.采购合同规定每套A型健身器售价为1.6万元每套B型健身器售价为1.51﹣n万元. ①有几种采购方案 ②安装完成后若每套A型和B型健身器一年的养护费分别是购买价的a%5≤a≤8和10%.市政府计划支出W万元进行养护.问每年养护费的最低费用为多少
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. Theworldseemstobefacingtwoproblem.Oneisthattoomanypeoplearedangerousover﹣weighted.Thistypeofproblemcalledobesity肥胖症.Obesityiswhenapersonhavemorethan25﹣30percentofbodyfat.Theotherproblemisaillnesscalledanorexia厌食症.Thisiswhenpeoplearedangerouslythinwearelessthan85%oftheirnormalbodyweight.Alloftheseproblemsareveryseriousbecauseofthebodycannotworkproperlywhenitistoofatortoothin.Theheartliverkidneysandlungswillnotbeabletokeepthebodyhealth. Peoplecandiefromillnessescausingbybeingtoofatortoothin.
小明的身高为1.8米某一时刻他在阳光下的影长为2米与他邻近的一棵树的影长为6米则这棵树的高为
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.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. WhenIwaseightmyfatherboughtmethenewbikeformybirthday.Mybrotherofferedtoteachmehowtoride.Atfirsttheyrodeandletmewatching.Thenheexplainedmetheskillsofcontrollingthebike.StillpuzzlingIgotonthebikebutitdoesn'tmoveasexpected.Ilostmybalanceandfalloffthebike.AtonceIburstintotearbecauseIsawbloodontheground.WhileIstoodupmyleftleghurtbad.LaterIlearnedtorideabike.Butthisexperiencetoldmethatthoughsomelessonswerepainfultolearnthemyetwecouldbenefitalot.
8分Coca﹣Colawhichreportedlyproducedmorethan3milliontonsofplasticpackagingin2017announcedThursdayitwantstohelpfixtheworld'splasticwasteproblemonecommunity社区atatime. Thesodagiantisdoingsobyproviding$5.4millionforrecyclingprogramsincitieslikeAtlantaBostonDenverandHouston.InthesecitiespartnerslikeTheGreenBlueInstituteandTheRecyclingPartnershipwhichreceivethemoneywillworktogethertoimproverecyclingrates. WefocusonareaswherewehavetheabilitytomakethebiggestinfluenceoncommunitiesthroughthefundingandexpertskillsofCoca﹣ColaemployeesCarlosPagoagoaCoca﹣Cola'sgroupdirectorofcommunitypartnershipssaidinastatement.Ineachcitylocalpartnerswillworktogethertoidentifybarrierstorecyclingonalocallevelandtestarangeofsolutionsheadded.Wehopethelearningsfromthese‘modelmarkets'canoffersolutionstoothercitiesfacingsimilarchallenges. AspartoftheeffortTheRecyclingPartnershipandthecityofAtlantawherethecolacompany'sheadquartersarebasedwillsendstreetteamsouttoopenrecyclingcartsandleavecitizenscardsinformingthemwhattheycanandcan'trecycleandletthemknowhowtheireffortswork. TwoofthemosturgentproblemswithrecyclingintheU.S.todayarelackofaccessfollowedbypollutioninrecyclingKeefeHarrisonCEOofTheRecyclingPartnershipsaidinastatement.WeknowfromthesuccessofAtlantain2017thatthecitizenswanttorecycleandthatcommunicatingwiththeminthestreetworks. LastyearCoca﹣Colaannounceditstasktocollectandreuseabottleorcanforeachoneitsellsandincreasetheamountofitsproductsoutofrecycledmaterialsto50%by2030.Thebrandalsoaimstomakeallitspackagingfullyrecyclableby2025. 1WhatdoesCoca﹣Colacompanyintendtodointheprogram? A.Producelesspackaging. B.Helpdealwithplasticwaste. C.Pickupwasteincommunities. D.Buildaplanttorecycleplasticwaste. 2What'sParagraph2mainlyabout? A.HowCoca﹣Colaconductsitsprogram. B.Whatorganizationsparticipateintheprogram. C.HowCoca﹣Colachoosescitiesfortheprogram. D.WhatthelocalpeopledoinCoca﹣Cola'sprogram. 3Whatdostreetteamsdotohelp? A.Sortoutvariouswasteinthecity. B.Lookintothecauseofpollution. C.Instructlocalpeoplewhattorecycle. D.Handcardstothelocalsinperson. 4WhatdoesKeefeHarrisonthinkoftheprogram? A.Promising. B.Difficult. C.Pioneering. D.Costly.
12分Three﹣quartersoftheworld'scoffeefarmsdestroyforesthabitattogrowcoffeeinthesunandtypicallyuseharmfulpesticides杀虫剂andchemicalsthatpoisontheenvironment.Whenforestsdisappearmigratory迁徙的songbirdsdisappeartoo.InordertodealwithseverepopulationandhabitatlossSmithsonianscientistscreatedtheBirdFriendlycertification. BirdFriendlycoffeesareshade﹣grownmeaningthecoffeeisplantedundertreesratherthanonthelandthathasbeenclearedofallotherplants.Coffeeexpertssayshade﹣growncoffeestastebetterbecausethebeansripenslowerthancoffeegrowninthefullsunresultinginarichermorecomplexflavor.BirdFriendlycertifiedcoffeesgrowunderbio﹣diverseshadethatprovideshabitatformigratorysongbirdsandotherwildlifestorescarbonandfightsclimatechange.BirdFriendlycoffeesarealsocertifiedorganicmeaningtheyaregrownwithoutpesticideswhichisbetterforpeopleandfortheplanet. BirdFriendlyproducerscanalsoearnmorefortheircrops.Thewoodandfruittreesonshadecoffeefarmsprovidefarmerswithadditionalincome.EverycupofBirdFriendlycoffeepurchasedrewardsthesefarmerswithalittlemoremoneyforbeinggoodstewardsoftheenvironmentandencouragesthemtocontinueconservingBirdFriendlyhabitat. BuyingBirdFriendlysupportstheSmithsonianMigratoryBirdCenter'sconservationresearchaimedatunderstandingandprotectingyourfeatheredfriends.YoucanpurchaseBirdFriendlycertifiedcoffeesaroundtheworldandprotectwildlifeandhabitatwitheverycup.Findastoreorcafenearyouorbetteryethaveitshippedtoyourdoorwhenyouorderonline. 1Whatisthepresentsituationofcoffeefarms? A.Onefourthofthemhavedestroyedforesthabitatforbirds. B.Pesticidesandchemicalsusedonthempoisonedmanybirds. C.Farmershavebeenawareofenvironmentprotection. D.Scientistspayattentiontothemandhavecomeupwithanidea. 2What'sacharacteristicofBirdFriendlycoffees? A.Theymayhaveabettertaste. B.Theyhaveastrangeflavor. C.Theytakelesstimetoripen. D.Theyaregrownonunpollutedland. 3HowcanBirdFriendlyfarmersearnmoremoney? A.Bychargingconsumersmoremoney. B.Bysellingfruitsandwoodfromtrees. C.Bycuttingdowntreesandsellingwood. D.Byservingasstewardsofcoffeeconsumers. 4Whatdoesthetextsuggestcoffeeconsumersdo? A.Consumelesscoffee. B.Ordercoffeeonline. C.Purchaseshade﹣growncoffee. D.Donatetocoffeefarmers.
SmartKidsFestivalEvents SmartKidsisacollectionofonehundredeventsscheduledinOctober.ThisyearitisexperimentingwithPayWhatYouDecidePWYD.Thatisyoucandecidetopaywhatyouwanttoorcanaffordafteryouhaveattendedanevent.Youcanpre﹣bookeventswithoutpayingforaticketinadvance.Herearesomeofthedirector'spicks. WalkontheWildSide NotticketedFree JoinstorytellerSarahLawtohearsciencestoriesaboutanimals.Alongthewayyou'llmeetallsortsofbeautifulcreaturesanddiscoverlifecyclesandfoodchains.Bestsuitedtochildrenaged5﹣9.Childrenunder8mustbeaccompaniedbyanadult. IntroductiontoWaves Pre﹣bookPWYD Subjectsrangefromsoundwavestogravitywavesandfromwavesoflighttocrashingwavesontheocean.MikeGoldsmithexploresthefundamentalfeaturessharedbyallwavesinthenaturalworld. ScienceintheField NotticketedFree Thisstorytellingnightfeaturesascientistsharinghisfavouritememoriesofgatheringfirst﹣handdataonvariousfieldtrips.Comealongforinspiringandinformativestoriesstraightfromthescientist'smouth.JoinMarkSamuelstofindoutmoreinthisfun﹣filledworkshop. FestivalDinner Pre﹣book£25perperson WhetheryouwanttoexploremoreaboutfoodorjustfancyatalkoveramealjoinustomarkthefirstsciencefestivalinLondon.Whichfoodsshouldyoueattotrickyourbrainintothinkingthatyouarefull?FindoutmorefromTomCrawford. 1Inwhicheventcanyoudecidethepayment? A.WalkontheWildSide B.IntroductiontoWaves C.ScienceintheField D.FestivalDinner 2Whowilltalkaboutexperiencesofcollectingdirectdata? A.SarahLaw. B.MikeGoldsmith. C.MarkSamuels. D.TomCrawford. 3Whatdothefoureventshaveincommon? A.Family﹣based. B.Science﹣themed. C.Pickedbychildren. D.Filledwithadventures.
8分StudyingtheDNAof300micehasflaggedupgeneswhichhavebeenlinkedtohereditary遗传的sightlossforthefirsttime.Researcherssaybecausemice'sgenesaresosimilartohumans'theirfindingscouldleadtothetreatmentofmoregeneticdiseases. ScientistsattheUniversityofCaliforniaDavisstudiedinformationfromadatabankofmice'sgeneticmaterial.Theyfound347geneslinkedtoeyeproblemswithjust86ofthemhavingbeenstudiedinthepast. Onlyaround50to75percentofhereditaryeyediseasesinhumancanbeexplainedwithpresentscience.Theresearchersbelievethesehundredsofnewgenesfoundinmicecouldbeakeytoexplaining﹣andthereforebeingabletotreattheother25﹣50percent. ThisisextremelyvaluableforpeoplewithhereditaryeyediseasesaidresearcherProfessorAlaMoshiri.Allresearchersaregoingtostartusingthesedata.Inthepastweknewtheproblemwastherebutwedidn'tknowwheretolook.Noweyecenterscancallbackpatientsandscreenthemforthesenewgenes.Weexpectedthatmoreandmoreofthesegeneticdiseaseswillbetreatable.Alsothefactisthatmorethan60percentofeyeproblemsatbirthareonesresultingfromthebaby'sparents! ThankstodatafromtheInternationalMousePhenotypingConsortiumIMPCwhichistryingtoworkoutwhateverysinglegeneinamouseisresponsibleforwiththeaimoftranslatingittohumansscientistsaremovingclosertofiguringoutallgeneticcausesofblindness.Todothisscientistsseparateasinglegenefromotheronesatatimeandthenobservewhateffectithasonthemouseforalongtime.Thishassofarbeendonemorethan7000timesandhasachievedgreatsuccess.ResearchersarenowworkingalongsideeyecarecentersinTexasandIowainordertocomparethemice'sgenestothoseofpatients. 1Howmanyhereditary﹣sight﹣loss﹣relatedgeneswerenewlyfound? A.86. B.261. C.300. D.347. 2Whyisthepercentageofgeneticeyeproblemsmentionedinparagraph3? A.Toshowthesignificanceofstudyingmice'sgenes. B.Toprovemice'sgenesaresimilartohumans'. C.Towarnthehighrisklevelofsufferingthem. D.Toexplainhowcommontheyareamongpeople. 3Whatshouldscientistsdofirsttounlocksecretsofgeneticblindness? A.Comparehumans'geneswithmice's. B.Recognizeeachgene'sroleofhumans. C.Setapartageneofamouseeachtime. D.Figureouteachgene'sfunctionofamouse. 4Whatcanbeasuitabletitleforthetext? A.NewWaystoCureSightLoss B.GenesFoundBehindEyeProblems C.GeneticDiseasesDiscoveredinMice D.HumansGenesCausingEyeDiseases
LiveatLeedsFestivalUnitedKingdom AweekendofIndiemusictakingoverLeedsforonedayinMayMetronomySunaraKarmaandTomGrennanwillheadlinebutthere'safocusonthecity'snewerbandswiththefestivalaimingtobringnewartistsintothespotlight.Eventstakeplaceacrossthecitywithwristbandsgivingyouaccesstoalltheplaces.Andtogotothisfestivalyouneedtobeover14yearsold. Time4May2019 MidnightSunFilmFestivalFinland AlmostahundredmilesnorthoftheArcticCircleSodankylaiswhereFinnishfilm﹣directorbrothersAkiandMikaKaurismakirockupeverysummerfortheirMidnightSunFilmFestivalafive﹣day﹣and﹣nightcelebrationofnewcinema.AmixofsilentfilmscontemporaryFinnishonesrecentfestivalhitsandbox﹣officeclassicsarescreenedaroundtheclock. Time12﹣16June2019 FujiRockFestivalJapan ThefirsteverFujiRockFestivalwasheldatthebottomofMountFujibackin1997andhasbroughtinmusicandrockfansfromallovertheworld.ThefestivalisnowheldintheNaebaSkiResortandiscelebratingits20thanniversarythisyear.Theartistswhoperformaren'tallrockers.Yourwristbandhastobecheckedattheentrance.Weofferfacilitiesforchildrenbuttheycan'tbeleftunaccompanied. Time26﹣28July2019 TheWhiteNightsFestivalSt.PetersburgRussia TheWhiteNightsFestivalisheldatthecity'sfamousMariinskyTheatreandshowssomeoftheworld'sbestoperaandballet.It'sthebesttimetovisitSt.Petersburgbecauseit'sheldduringthemagicalsummerperiodwhenthere'salmost24hoursofsunlightaday. Time23May﹣2June2019 1Whichfestivallaststhelongesttime? A.LiveatLeedsFestival. B.MidnightSunFilmFestival. C.FujiRockFestival. D.TheWhiteNightsFestival. 2Wherewillyouenjoya24﹣hourmovieactivity? A.InLeedsUnitedKingdom. B.InSodankylaFinland. C.IntheNaebaSkiResortJapan. D.InSt.PetersburgRussia. 3WhatdoLiveatLeedsFestivalandFujiRockFestivalhaveincommon? A.Theyareofthesamemusicstyle. B.Theyfocusonnewartists. C.Theyrequireentrancewristbands. D.Theyhaveagelimits.
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