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一束太阳光通过三棱镜折射后，被分解成七种颜色的光，在白色光屏上形成一条七彩光带，如图所示，这个现象叫光的 ，如果将白色光屏换成红色光屏，我们将 （填“能”或“不能”）看到七彩光带．原因是 ...
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光的色散是指一束白光通过三棱镜分解成
白色
由红到紫的七种颜色
黑色
由红到紫的一条过渡色带
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如图所示这个现象叫光的.如
一束太阳光通过三棱镜折射后被分解成七种颜色的光如右图所示这个现象叫光的__________只有用__
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带这个现象叫光的．
阳光下看到一朵花是红色的是因为这朵花反射▲光一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带这个现象叫光的用于电视遥
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如图所示这个现象叫光的__
太阳光通过一个三棱镜后分解成各种颜色的光在白光屏上形成一条彩色的光带光带上色光的排列依次为_____
阳光下看到一朵花是红色的是因为这朵花反射▲光一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏
一束太阳光通过三棱镜折射后被分解成七种颜色的光如右图所示这个现象叫光的__________只有用__
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带这个现象叫光的．如果将白
太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条彩色光带这种现象叫最早通过实验研究这
如图一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带这个现象叫光的如果将白
阳光下看到一朵花是红色的是因为这朵花反射光一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上
如图2所示一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带这种现象叫做光的
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如下左图所示这个现象叫光的
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如图所示这个现象叫光的.如
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如图1所示这个现象叫光的_
一束太阳光通过三棱镜折射后被分解成七种颜色的光在白色光屏上形成一条七彩光带如下中图所示这一现象叫光的
一束白光通过三棱镜后折射后可以看见___________________七种颜色的光
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你一点也没有打搅到我恰恰相反我很享受你的陪伴.Youdidn'tbothermeatall.Ienjoyedyourcompany.
近日科学家开发出了强度为钢的5倍的新型水凝胶复合材料这种环保型纤维增强水凝胶含水量为40%．下列关于该复合材料的说法错误的是
阅读下面短文根据其内容写一篇50词左右的内容概要. DoeswritingcomehardItoyou?Areyoudiscouragedtofindyourselfpoorawriting?Nobodyisbornknowinghowtowrite.Goodwritinghabitswhichhelpmakeyouwriteonaregularbasisarenecessaryforyoutoimproveyourwriting. Firstlyyouaresupposedtoreadawiderangeofbooks.It'sobviouswhenawriterisnotwell﹣readlackofreadingwillbeobviousineverysentenceonewrites.Readingpreparesyouwithnecessaryknowledgetobeagoodwriter.What'smoreitprovidesyouwithbasicskillsforwriting.Theimportanceofreadingcannotbestressedtoomuch:readasmuchandasoftenasyoucan. Secondlyit'simportanttomakeawritingscheduleandwritedailyifitispossible.Whetheryouwritefortwohoursadayorfifteenminutesadaydailywritingisthekeytodevelopinggoodwritinghabits.It'sbettertowriteforfifteenortwentyminuteseverydaythantositforfiveorsixhourstowriteovertheweekend.Howeverifyoucanmakeadailywritingschedulewithlongerhoursonyourwritingonweekendsthenit'smuchbetter. Oneoftheworsthabitsisnevertogethelpfromotherstoimproveyourwriting.Itisadvisedthatyoushareyourworkwithothers.Forexampleyoucanpostsceneoryoublogsendyourwritingaroundtoafewfriendsroundupsomereadersandletthemcommentoryourwriting.Thatwayyou'llfindyourwritinggraduallyimproved.
Theworldisacolorfullandscapeofdifferentlanguagesskincolorsanddifferentcultures.1Onewaytodevelopthisappreciationistotrytolearnaboutotherculturesaroundtheworld. Thereareseveralwaystobecomeknowledgeableaboutdifferentcultures.Onewayistoreadbookswrittenbyauthorsfromaparticularculture.Readingworksbyauthorsfromaparticularcultureallowspeopletogainanauthenticglimpseintothefoodmusiclanguagereligionandwayofalifeofaparticulargroupofpeople.2 3Apersoncanchoosealanguageshehasalwayswantedtolearn.Shecanattendaforeignlanguageclassinordertolearninamoreformalsetting.Makingcontactwithpeoplewhoarenativespeakersofthelanguageallowshertogainfirst﹣handknowledgeofaparticularcultureasshestrugglestolearnthelanguage. Seekingoutrestaurantsthatfeatureauthenticfoodfromavarietyofcountriesisalsoagoodway.4Anditallowspeopletogainaninsightintoaparticularculturalgroup'swayoflife. Peoplewholovetomeetpeopleinfarawayareasoftheworldmaynotbeabletotravelinpersonbuttheycanalwayssignupforapenpal.5Variouswebsitesofferpenpalservicesofferingtoconnectindividualswithpenfriendslocatedaroundtheworld.Correspondingwithpeoplefromothercountriesthroughemailormailisanotherusefulwaytobecomefamiliarwithdifferentcultures. A.Differentcountrieshavedifferentcultures. B.Foodisanimportantpartofdifferentcultures. C.Youcaninteractwithpeoplewhoarelanguagelearners. D.Anotherwaytolearnaboutdifferentculturesistotrytolearnaforeignlanguage. E.TheInternethasmadeitpossibleforpeopletocommunicatewithothersfromdifferentcountries. F.It'simportanttodevelopanappreciationofdifferentculturesinordertobecomeawell﹣roundedperson. G.ForexampletolearnaboutvarioustribesofNativeAmericansyoucanreadbookslikeTheRough﹣FaceGirlbyRafeMartin.
后来他们可能在酒吧或者俱乐部里演出这样他们可以得到现金.Latertheymaygiveinpubsorclubsforwhichtheyarepaidincash.
Livelonger Everyonewantstolivelonger.Wetrytoexerciseeatrightandgetenoughsleep.1.Hereareafewtipsforyoutolivealongerhappierandhealthierlife. Useyourmind Activelyuseyourmindandyou'llcutyourrisk风险ofdevelopingdementia痴呆inhalf.2Memorizephonenumbersinyourcellphone.Asyouputgroceriesintoyourbasketaddthemupinyourmind. Chew咀嚼yourfood Whenyoueatchewyourfoodslowlyandfully.Thatmakesiteasierforyourbodytousethefoodnutrients.Alsoittakes20minutesforyourstomachtotellyourbrainit'sfull.3 Maketimeforyourself Weallhaveplentyofstress压力inourdailylives.Besuretofindsomewaystomakethatstressless.Takingsomekindofactivitieswilldoyougood.4Havedinneroutwithfriends.Startanewhobby.Dosomethingyouenjoyjustforyou. It'snotaboutme 5Studiesshowthatvolunteeringincreasesyourlifespan寿命.Italsobuildsyoursocialnetwork.Andhavinglotsoffriendsaroundespeciallyinoldagehelpsyoulivelonger. A.Takeanexerciseclass. B.Butotherthingscanalsohelp. C.Dothingsslowlyoneatatime. D.Livinglongerisnotaneasything. E.Ifyouwanttolivelongerhelpothers. F.Thinkoffungamestoplaybyyourself. G.Ifyoueatmoreslowlyyou'lllikelyeatless.
化学实验中经常需要将浓硫酸稀释成稀硫酸现要把50g质量分数为98%的浓硫酸稀释成20%的稀硫酸需要加水的质量是g．
我和我的朋友们在昨天的晚会上玩的很开心.Imyparentsatthepartyyesterday.
假设你是红星中学高三学生李华.你校将在下周举办校园书市活动.请给你校美国交换生Jim写封邮件邀请他参加.邮件内容包括:1.书市活动的相关内容时间地点活动等;2.说明你自己要参加的活动和理由;3.询问他是否愿意参加.注意:1.词数不少于50; 2.开头和结尾已给出不计入总词数.提示词:校园书市:campusbookfair DearJim Yours LiHua
TheParents'LifesavingTouch OnMarch252010KateandDavidheardthewordseveryparentfeelsfrightenedof:Theirnewbornwasn'tgoingtomakeit.Theirtwins﹣agirlandaboy﹣wereborntwominutesapartand14weekspremature早产的1justovertwopoundseach.Doctorshadtriedtosavetheboyfor20minutesbutsawno2.Hisheartbeatwasnearlygoneandhe'dstoppedbreathing.Thebabyhadjustminutesto3. Isawhimgasp喘息weaklybutthedoctorsaiditwasno4KatetoldtheDailyMailfiveyearslater.Iknowitsoundsstupid5ifhewasstillgaspingthatwasasignoflife.Iwasn'tgoingtogiveup6. Inanefforttocherish珍惜herlastmomentswiththetinyboyKateaskedto7him.Thecoupleknewthiswaslikelya8. Kateremovedthehospitalblanket9theboywhomthecouplehadalready10JamieandorderedDavidtotakehisshirtoffand11herandtheboyinbed.Thefirst﹣timeparentswantedtheirsontobeaswarmaspossibleintheirarmsandhopedtheskin﹣to﹣skincontactwouldimprovehis12.Theyalsotalkedtohim. Weweretryingtoentice说服himtostayKatetoldtheDailyMail.Weexplainedhisnameand13hehadatwinwhohehadtolookoutforandhowhardwehadtriedto14him. Thensomethingcompletely15happened.Jamiestarted16again.Finallyhereachedforhisfather'sfinger. Thecouple'slostboyhadmadeit. We'rethe17peopleintheworldDavidsaid. EightyearslaterJamieandhissisterEmilyarehappyand18.Theparentsonlyrecentlytoldthekidsthestoryoftheir19.EmilyburstintotearsKatetoldtheDailyMail.ShewasreallyupsetandshekepthuggingJamie.Thiswhole20makesyoucherishthemmore. 1A.losing B.measuring C.weighing D.showing 2A.appreciation B.improvement C.prediction D.agreement 3A.live B.play C.grow D.think 4A.harm B.trouble C.wonder D.use 5A.but B.or C.and D.for 6A.gradually B.peacefully C.hardly D.easily 7A.cover B.hold C.cure D.wash 8A.risk B.party C.goodbye D.tradition 9A.around B.to C.beside D.against 10A.promised B.kept C.awarded D.named 11A.join B.place C.feed D.hide 12A.appearance B.condition C.memory D.skill 13A.why B.when C.that D.if 14A.protect B.raise C.teach D.save 15A.unbelievable B.unfamiliar C.natural D.acceptable 16A.waving B.speaking C.smiling D.breathing 17A.kindest B.luckiest C.bravest D.cleverest 18A.free B.relaxed C.healthy D.confident 19A.birth B.adventure C.growth D.education 20A.project B.experiment C.progress D.experience
Whatwouldyousayifwetoldyouthatyoucouldlearntospeakanewlanguageinonly7days?Prettyunbelievableright?Buthowcoulditbe?TofindoutwespoketoDavid﹣oneofourbraveBabbellearners﹣toseehowtheBabbelappsuccessfullygothimspeakingNorwegian挪威语injustoneweek. Howmuchtimedidyoulearneachday? Ididn'tneedtogivemyentirelifeovertolearningNorwegian.EachBabbellessontakesonly15minutesandIsetmyselftheachievableaimoffinishingthreeBabbellessonsdaily.Thistookonly45minuteseachday. HowdidtheBabbelapphelpyoulearnsoquickly? TheBabbelapphasacourseplanforbeginnersthattaughtmehowtomakesentencesinNorwegianwithinthefirstfewdays.ThenIwasabletopersonalizemylearningbyselectingsingle﹣topiclessonsoneatingdrinkingmusicculturetravelingandsoon.Thisallowedmetoquicklyenlargemyvocabulary! ThiswayoflearningkeptmehighlyactiveandmadesureIwasn'tboredtotearswithgrammarpracticethatweallrememberfromschool! After7daysIwasabletointroducemyselfinNorwegiantalkaboutmyhobbiesandinterestsandmostimportantlycommunicatingwithanativeNorwegianspeakerinarealconversationandIcouldevenplayajokeortwo! Wouldyouintroducethisapptoothers? Certainly!Babbelhas14languagestochoosefromsoifyou'rethinkingaboutbrushinguponyourGermanforabusinesstriporlearningabitofPortuguese葡萄牙语fornextyear'ssummervacationyou'llbehappytohearthatyouonlyneedanapp7daysoflearningtogetyouconversational. 1TheBabbelappisusedforpeopleto. A.learnlanguages B.dobusiness C.speakwithnatives D.planavacation 2HowdidtheBabbelapphelpDavidlearnquickly? A.Ittookhimlittletimeeveryday. B.Itprovidedhimwith14languages. C.Itgavehimdailygrammarpractice. D.Itofferedlessonsaccordingtohisneeds 3TheexampleofDavidisusedinthepassagetoshowthat. A.hardworkmattersalot B.Babbelappsellswell C.Norwegianiseasytolearn D.Babbelappreallyhelps
TheGainIsWorththePain Iwasabout9yearsold.IwastakingRedCrossswimminglessonsatourcommunitypool.ThedayhadarrivedwhenIwastobe1toseeifIcouldadvancefromtheAdvancedBeginnersclasstotheIntermediateclass. Approximatelyfifteenofusweretotake2toswimfromonesideofthepooltotheotherandbackdoingvariousstrokes泳姿andexercisesalongtheway.Iwatched3myclassmatesonebyonetriedandfailedtopassthetest.Thenitwasmyturnto4Imeanmyturntoattempttopassthetest.IgotabouthalfwayacrossthepoolwhenIfeltthe5sensationyoufeelwhenchlorinated加氯消毒的waterentersyournose.I6stoppedandseizedthesideofthepool7mytest. Oneoftheinstructorswasstanding8meamessyhairedcollegestudent.Whydidyoustop?he9inalessthanmercifulvoice.Igotwaterinmy10Iexplained.That'swhenthisscruffycollegestudenttaughtmeoneoflife'sgreat11evenifheprobablynever12hewasdoingthat.BendingdownheshoutedSo? So?Thequestion13me.Ithadjustseemedreasonabletomethattheanswerto14wastogetridofthethingcausingthediscomfort.My9yearoldbrainhadnotunderstoodthefactthatavaluablegoalisworth15evenifwehavetogothroughdiscomforttogetthere.RecognizingthatIwasn'tsurewhatwouldkeepmefromcompletingthetest.InfactIdiditrathereasilyonmynext16.Seeingmepassthetestalmostalloftheothersdidsoaswell. Lifeisajourneyandtheroadwon'talwaysbe17.Theobstaclesthehardshipsthebarriersthatappearalongthewaycan'tbe18tothegoalthatwaitsattheend.Wehavetofocusonthefinaldestinationnottheblocksintheroad.AsoneputitIconsiderthatourpresentsufferingsarenotworthcomparingwiththe19thatwillbeshowninus.Theplanisnottogetridofsufferinginourlives20tolookpastit. 1A.urged B.checked C.tested D.placed 2A.chances B.turns C.efforts D.actions 3A.as B.until C.once D.since 4A.escape B.observe C.train D.fail 5A.burning B.dizzying C.freezing D.tiring 6A.hesitantly B.immediately C.frequently D.constantly 7A.starting B.enquiring C.ending D.continuing 8A.beside B.above C.behind D.against 9A.whispered B.announced C.smiled D.yelled 10A.eyes B.ears C.nose D.mouth 11A.lessons B.lectures C.courses D.examples 12A.complained B.admitted C.regretted D.realized 13A.excited B.encouraged C.comforted D.shocked 14A.gain B.pain C.success D.disappointment 15A.having B.changing C.achieving D.setting 16A.attempt B.plan C.show D.activity 17A.tough B.easy C.rough D.busy 18A.attached B.linked C.exposed D.compared 19A.glory B.result C.fun D.sadness 20A.and B.or C.but D.even
HongbaoinChina WhileWesternkidsdreamaboutwhatSantawillbringthemChinesekidswillbegettingtheirmoneyboxreadytoreceivehongbao.HongbaoredenvelopesarethetraditionalgiftsthatadultsgivechildrenduringtheChineseNewYearholidayperiod.ThegeneralideaisthatadultswithincomegivechildrenwithnoincomehongbaoduringChineseNewYear.1 You'llseehongbaousedasdecorationsonjustabouteveryChineseNewYearflowerandplantthatisdisplayedduringtheseason.2Andtheyareonlyusedfordecoration.Iknowbecausemysonchecksthemwheneverhecanreachthem 3Weddingsarebigeventswherehongbaoaregivenbyguestsinvitedtotheweddinginsteadofgifts.Theamountofmoneytogiveataweddingcanbetricky微妙的andifyouareinvitedtoaChineseweddingyoucanaskforsomeadviceabouthowmuchtogive. Ifyouneedhongbaoyoucanbuythematshopsatanytimeoftheyear.4Soyouensureyoudon'tgetonethatsaysCongratulationsonyourmarriageforabirthday. Thesedayspeopledon'tevenhavetoleavethecomfortoftheirsofastogivehongbao.Wechatapopularinstantmessageandphotosharingappintroducedelectronichongbaosonowit'seveneasier. 5 A.Thesewillbeempty. B.Itisnecessarytobuyfancyones. C.Hongbaoaregivenatotheroccasionstoo. D.Asktheshopownerorafriendwhichonetobuy. E.Friendssendeachotherhongbaofromtheirphones! F.Infactchildrencanevenmeanyoungadultswhoareunmarried. G.Youmaywantthecorrectstatementsonthefrontoftheenvelopeitself.
Ifplanningofferssomanybenefitswhydomanyprofessionalsresistit?Somearemorecomfortablewithactingandthereforedon'twanttodevotesomuchtimetoitortheythinktheircircumstancesaresolikelytochangethatplanningisuseless.Otherpeoplecomplainthatthingsaregoingsowellorsobadlythatthere'snopointinplanning.Finallysomepeopledon'tmakestrategicplansbecausetheycan'trecognizethedifferencebetweenstrategicandshort﹣termoperationalplanning﹣howtogetwhereyou'vealreadydecidedtogo. Circumstancesdochangeandit'sreasonabletowonderaboutthevalueofplanningwhenthingsarechangingsorapidly.Buttheplanswearetalkingaboutarenotsetinconcrete.Theyareadaptableframeworksgoalsthatcanconformto顺应changingcircumstances.There'snothingwrongwithchangingdirectionifweknowwhatwe'redoingandunderstandourownreasoning. Whyplanifthingsaregoingfine?Won'ttheycontinuelikethis?Won'ttheskillswenowusealwaysbeindemand?Probablynot﹣especiallyinscienceandtechnology.Beingpreparedfornewsituationsisaleadingreasonforhavingastrategicplaninthefirstplace.Evenifwecannotpredicteverythingthatwillaffectourpathwehaveabetterchanceofdealingwithiteffectivelyifwe'vethoughtahead. ThingsaregoingterriblyandIcan'tbotherplanningbecausesurvivalisthenameofthegamerightnow.Goodreasoning.Ifitseemsthatit'sgoingtobeaclosecalljusttoreachthatcontractedgoaldon'tworryaboutstartinganewoverallstrategy.Butmostofusoftenthinkthingsareworsethantheytrulyare.Ifyouarecontinuallymovingfromonecrisis危机toanotheryoumayneedtotakesometimeofftounderstandwhy.Areyoureallyheadingwhereyouwanttogo?Whatchangesindirectioncouldpreventsomeofthesecrisesinthefirstplace? Sospendsometimethinkingaboutyourfutureoutlineyourplansanddiscussthemwithpeopleclosetoyou.Strategicplanningtakesworkbutitpaysoff.It'sanexcitingwaytocreatethefutureratherthanjustcoastintoit. 1Manyprofessionalsrefusetomakestrategicplanssincetheybelievethat. A.operationalplanningismoreimportant B.planningisharmfulandunhealthy C.theirsuccessdependsoncircumstances D.planningisofnouseatalltotheirwork 2Fromthesecondparagraphtheauthorarguesthatplanning. A.isflexibleandmaychangewithchangingsituations B.mayloseitsvaluewhenthecircumstanceschange C.guidesusthrougheachstageoflifetoourdestiny D.adaptsustothechangingenvironmentatalltimes 3Evenifwearedoingwellwestillneedplanningbecause. A.wecandomuchbetterwithanoverallworkingplan B.itoffersaframeworkfromwhichtosolveanydifficulties C.workskillstodaywillgooutofusesoonerorlater D.ithelpsustodealwithunpredictablesituations 4Whatistheauthor'sattitudetowardsstrategicplanning? A.Disapproval. B.Supportive. C.Doubtful. D.Neutral.
既然大家都在那我们开始开会吧.everyoneisherelet'sbeginourmeeting.
VancouverislocatedinthesouthwestcornerofCanadaintheprovinceofBritishColumbia.VancouveristhelargestcityintheprovinceandthethirdlargestinCanada.Itcoversanareaof113sqkm.ItissurroundedbywateronthreesidesandoverlookedbytheCoastRange.ItsclimateisoneofthemildestinCanada.Temperaturesaverage3°CinJanuaryand18°CinJuly.Vancouver'smostrainfalloccursinwinter. ArchaeologicalevidenceshowsthatcoastalIndianshadsettledtheVancouverareaby500BC.BritishnavalcaptainGeorgeVancouverexploredtheareain1792.VancouverwasfoundedasasawmillsettlementcalledGranvilleinthe1870s.Thecitywasunitedin1886andrenamedafterCaptainVancouver. AsthemainwesternterminusofCanada'stranscontinentalhighwayandrailroutesVancouveristheprimarycityofwesternCanadaaswellasoneofthenation'slargestindustrialcentres. ThePortofVancouverisCanada'slargestandmostvariousporttradingmorethan﹩43billioningoodswithmorethan90tradingeconomiesannually.Portactivitiesgenerate69200jobsintotalwith﹩4billioningrossdomesticproductGDPand﹩8.9billionineconomicoutput. Vancouverisamajortouristplace.Inadditiontothecity'ssceniclocationvisitorsenjoybeautifulgardensandworld﹣famousStanleyParkoneofmorethan180cityparksandacombinationofnaturalforestandparklandsnearthecitycentre. 1WhichofthefollowingdescriptionaboutVancouverisNOTtrueaccordingtothepassage? A.VancouveristhethirdlargestcityinCanada. B.Vancouverisacitylocatedonwater. C.VancouverisnotfarfromtheCoastRange. D.ThelargestindustrialcentreinCanadaliesinVancouver. 2AccordingtothepassageoriginallyVancouveristhenameof. A.aBritishmanwhoexploredthecity B.asawmillsettlementcalledGranville C.theleaderwhocontrolledthearea D.atranscontinentalhighway 3Thepassagemainlytellsus. A.thePortofVancouverthelargestoneinCanada B.howVancouvergotitsname C.Vancouver'shistory D.abriefintroductionofthecityofVancouver
化学与生产生活息息相关请运用化学知识回答下列问题 1我市“美丽乡村”建设是精准扶贫的民心工程在农村推广家用沼气池建设是改善农村能源结构和环境卫生的重要举措．沼气的主要成分是写化学式 2吸烟对人体有害香烟点燃产生的烟气中含有一种与血液中血红蛋白结合的有毒气体它是写化学式． 3天津港危化品爆炸事故中有一种叫电石CaC2的物质遇水反应生成乙炔C2H2气体和氢氧化钙化学反应方程式为．另一种危化品金属镁燃烧后也不能用普通二氧化碳灭火器灭火因为二氧化碳会支持镁燃烧生成氧化镁和碳从金属镁的这个燃烧事实使我们对燃烧有了新的认识．写一条新认识
For1centurypeoplehavebelievedthatchickensoup2helptofightacold.Nowdoctorssayitmaybetrue.Theythinkthatchickensouphassomethingthatstopsacoldfromgetting3bad.Heatfromthesoupcanalsomake4personfeelbetter. Manypeoplethinkthatitisunhealthynottohavemeat.Itistruethatmeat5especialredmeathasproteinthatthebodyneeds.Aperson6doesn'teatmeatcangetenoughproteinandbehealthybyeatingtofueggsandsomevegetables.Astudyshowsthatteaisbetterthancoffee.Teahassomethingthatcanprotectyourheartfightcancerandmakeyoulessfat.Coffee7donotdothis. Manypeoplebelievethatbreadandpotatoescaneasilymakepeoplefat.Infactbreadandpotatoesdonothavefatinthem.But8eattoomuchandnotexercisingcanmakepeoplefat.9addingthingslikebutterto10theycanraisethechanceofbecomingfat.
化学源于生活生活中蕴含着许多化学知识． 1用洗涤剂清洗油污是利用了洗涤剂的作用 2国际乒乓球比赛启用一种新型塑料乒乓球．生产这种乒乓球的塑料属于填序号 ①金属材料②合成材料③复合材料④纳米材料 3王安石的梅花诗句“为有暗香来”体现分子的特征是． 4胃液里含有适量盐酸服用含氢氧化铝[AlOH3]的药物可治疗胃酸过多症反应的化学方程式为．
Just50yearsagoManxseemedtobeonthepointofdisappearing.IfyouspokeManxinapubontheislandinthe1960sitwasconsideredprovocativeandyouwerelikelytofindyourselfinafightrecallsBrianStowella76⁃year⁃oldislanderwhohaswrittenaManx⁃languagenovelTheVampireMurdersandpresentshimselfinaradioshowcalledManxRadiospreadingthelanguageeverySunday. ThelanguageitselfissimilartotheGaelictonguesspokenintheisland'sneighboursIrelandandScotland.AcenturyagoMoghreymiewouldhavebeencommonlyheardinsteadofGoodmorningontheisland. Inthe1860stherewerethousandsofManxpeoplewhocouldn'tspeakEnglishsaysStowell.ButonlyacenturylateritwasconsideredtobesobackwardtospeakthelanguagethattherewerestoriesofManxspeakersgettingstonesthrownattheminthetowns.Ilearntitmyselffromoneofthelastsurvivingnativespeakersbackinthe1950s. Recessioninthemid⁃19thcenturyforcedmanyManxpeopletoleavetheislandtoseekworkinEngland.AndparentswerenotwillingtopassthelanguagedownthroughthegenerationswithmanypeoplebelievingthattohaveManxasthefirstlanguagewouldaffectjobopportunitiesoverseas. Therewasafallinthelanguage.Bytheearly1960stherewereperhapsasfewas200whospokethetongue.ThelastnativespeakerNedMaddrelldiedin1974.UNESCOpronouncedthatthelanguagediedoutinthe1990s. NowthereisevenaManxlanguageprimaryschoolinwhichallsubjectsaretaughtinthislanguagewithmorethan60pupilsattendingit.Manxisalsotaughtinotherschoolsacrosstheisland. 1IfyouspokeManxinapubontheislandinthe1960syouwould. A.beattacked B.bepraised C.beignored D.beencouraged 2WhatdoesMoghreymiemeanaccordingtothepassage? A.Allthebest. B.Congratulations. C.Nevermind. D.Goodmorning. 3WhichofthefollowingaboutBrianStowellisTRUE? A.HeisateacherfromIreland. B.HewroteanovelinEnglish. C.Heworksataradiostation. D.HelearnedManxinthe1950s. 4Whatisthepassagemainlyabout? A.TheManxlanguage. B.ThelifeofManxpeople. C.TheManxIsland. D.TheManxlanguageschools.
假如你是红星中学高一1班学生李华你校正在接待美国友好师生.本周他们将参加你们的班会请你代表班级向他们介绍班徽并陈述其含义.班徽如右图所示由太阳帆船大海构成.具体介绍内容如下: 1.班徽的图案; 2.班徽的含义. 注意:1.词数不少于60; 2.可适当增加细节以使行文连贯; 3.开头和结尾已给出不计入总词数. 提示词:班徽classlogo帆sail Ladiesandgentlemen Welcometoourclass. Hopeyouenjoyyourstaywithus.Thankyou!
Onlineshoppingiscomingintofashioninmostcitieswherepeopleareabletomakefulluseoftherapidly﹣developedinternettechnology.Nowadayscanwefindaperson1hasn'texperiencedonlineshopping?Definitelynot. Onlineshopping2welcomebymostpeopleduetovariousreasons.Fromtheperspectiveoftheconsumeritcansavesometimeforpeoplewhodon'thavemuchsparetime.Justclickthemousetheycangetwhattheywantwhile3stayathome.Forthesellersitcancutsomecostsforthosewhodon'thavemuchcirculatingfunds.4comparewiththetraditionaltrademanneritsavesthemtheneedtorentahouse.Howevertherearestillsome5advantageinonlineshopping.Firstaface﹣to﹣facedealmakesonlineshoppingless6relyandtrustworthy.Secondpeoplewilllosethefunofbargain. 7isundeniablethatshoppingontheinternethasbecome8irresistible难以抗拒的trendinmodernsociety.It'sofgreaturgencythatweneedtomaketherelativelawswiththerapidgrowthofonlineshopping.9inthiswaycanweenjoythepleasureandconvenienceofonlineshoppingwithouttheconcernof10cheat.
春节里父母都会给孩子穿上新衣服然后走亲访友.DuringtheSpringFestivalparentswilltheirchildrenandvisittheirrelativesandfriends.
Twomenbothseriouslyillsharedthesamehospitalroom.Onemanwasallowedtositupinhisbedforanhoureachafternoon.Hisbedwasnexttotheonlywindowoftheroom.Theothermanhadtospendallhistimeflatonhisback.Thementalkedforhoursonend.Theyspokeoftheirwivesandfamiliestheirhomestheirjobstheirexperienceinthearmyandwheretheyhadbeenonvacation.Everyafternoonwhenthemaninthebedbythewindowcouldsituphewouldpassthetimebydescribingtohisroommateallthethingshecouldseeoutsidethewindow.Themanintheotherbedbegantoliveforthoseone﹣hourperiodswhenhisworldwouldbebroadenedandenlivenedbyalltheactivitiesandcolorsoftheworldoutside. Thewindowoverlookedaparkwithalovelylake.Ducksandswansplayedonthewaterwhilechildrensailedtheirmodelboats.Youngloverswalkedarminarmamongflowersofeverycolor.Grandoldtreesmadeeverythingaroundmoreattractiveandafineviewofthecityskylinecouldbeseeninthedistance.Asthemanbythewindowdescribedallthisingreatdetailthemanontheothersideoftheroomwouldclosehiseyesandimaginethepicturesquescene.Onewarmafternoonthemanbythewindowdescribedaparadepassingby.Althoughtheothermancouldn'thearthebandhecouldseeitinhismind'seyeasthegentlemanbythewindowpictureditwithdescriptivewords. Daysandweekspassed.Onemorningthedaynursearrivedtobringwaterfortheirbathsonlytofindthelifelessbodyofthemanbythewindowwhohaddiedpeacefullyinhissleep.Shewassaddenedandcalledthehospitalattendantstotakethebodyaway.Assoonasitseemedappropriatetheothermanaskedifhecouldbemovednexttothewindow.Thenursewashappytomaketheswitchandaftermakingsurehewascomfortableshelefthimalone.Finallyhewouldhavethejoyofseeingitforhimself. 注意: 1.所续写短文的词数应为150左右; 2.使用5个以上短文中标有下划线的关键词语; 3.续写部分分为两段每段的开头语已为你写好; 4.续写完成后请用下划线标出你所使用的关键词语. Paragraph1: Slowlyandpainfullyhemadehisgreatestpossibleeffortstolookoutofthewindowbesidethebed. Paragraph2: Themanwasblindandcouldnotevenseethewall.Perhapshejustwantedtoencourageyou.thenurseanswered.
UnderwaterMuseums Manyunderwatermuseumsaresupportedbycompaniesthatofferguidedtours.Atrainedguideleadsgroupsaroundastrikingunderwaterdisplayofstatuesineachmuseum.Dependingonthedepthofthemuseumvisitorsmaybeabletoviewthesculpturesfromtheglass﹣bottomedboatorbyswimmingonthesurface.Otherunderwatermuseumsaredeeperandaremostaccessibletoscubadivers. Underwatermuseumshavemanyfunctions.Oneoftheirmainpurposesistocreateanartificialreefenvironmentwhereseacreaturescanlive.That'swhysomeofthemuseumsarelocatedinareasthatweredamagedbyhurricanesorareconsideredunderwaterdeserts.Thestatuesinthemuseumaredesignedinawaythatencouragesthegrowthofcoralandplantlife.Overtimethestatuesandplantsattractmoreandmorefishtothearea. FloridaU.S.A Floridaishometodifferenttypesofunderwatermuseums.Thestate'snewestunderwatermuseumtheUnderwaterMuseumofArtcanbefoundoffthecoastofGraytonBeach.ThispartoftheGulfofMexicoisanunderwaterdesertsocreatorshopethattheexhibitwillimprovethemarineecosystem. CancunMexico ForyearsCancunhasbeenapopulartouristdestination.Andoneofthemajordrawsisthewater.TheMuseoSubacuaticodeArteisanidealplaceforsnorkelersandfirst﹣timedivers.Theretheycanenjoymorethan500statuesthathelptomakeupanartificialreef.Thismuseumwascreatedtogivevisitorsanalternativeattractiontothearea'snaturalreefwhichhasbeendamaged. CanaryIslandsSpain MuseoAtlantiooffthecoastofLanzarotehasanimpressivedisplayofmorethan300statues.TheywerecreatedbyJasonDecairesTayloraBritishsculptorwhohascontributedtothecreationofseveralunderwatermuseumsincludingtheonesnearCancunandtheCanaryIslands.TheCancunstatuesfocusonman'sinteractionwiththemarineworld.Ifyou'relookingforadifferentmuseumexperiencecheckoutonethat'sunderwater. 1Inunderwatermuseumsvisitorscanseethefollowingthingsexcept. A.statues B.deserts C.reefs D.sculptures 2Accordingtothepassagewhichofthefollowingstatementsistrue? A.Underwatermuseumscannotbevisitedthroughguidedtours. B.Underwatermuseumsarealllocatedinareasdamagedbyhurricane. C.Underwatermuseumscanbeviewedallovertheworld. D.Underwatermuseumscanhelpimproveunderwaterenvironments. 3Wecanlearnfromthepassagethat. A.over300statuescanbeseenintheUnderwaterMuseumofArt B.naturalreefhasn'tbeendamagedinCancun C.thestatuesofCancunandtheCanaryIslandsaremadebythesamesculptor D.plantlifecan'tgrowinunderwatermuseums 4Whereisthetextprobablytakenfrom? A.Apersonaldiary. B.Atouristguidebook. C.Anofficialreport. D.Ahotelbrochure.
MydadJacobRobinwasbornandraisedinMountWolfPennsylvaniaandin1927attheageof28hedecidedtogosouthforthewinter. Surprisinglytheonlytransportationhehadforthislongtripwashistrustybicycle.Assummerwascomingtoanendhepackedafewnecessitiesinaboxtieditonhisbikeandstartedonthelongjourney. Dadwouldridealldayandintheeveninghe'dstopatafarmhousealongthewayandoffertodosomeworkinexchangeforfoodandaplacetosleep.Ashegotfarthersouthhe'dfindachurchwherehecouldbeddownforthenight.Surroundedbyorangeandgrapefruitgroves树丛healwayshadplentytoeatforbreakfast. FinallyhereachedTampaarapidlygrowingcitywheretherewasplentyofwork.Hegotajobwithaconstructioncompanyandhebuilthimselfalittleshack棚屋thathecouldcallhome. Dadlovedhisjobandmadelotsoffriendsbutasthemonthsrolledalonghebeganthinkingofhome.SpringwasfastapproachingbackinPennsylvaniasohedecideditwastimetoleavethesouthandheadbacktoMountWolf. Luckilydad'sbossandcrewobtainedotherworkthatwastakingthemnorthsothebossofferedtotakedadalonganddrophimoffinPennsylvania.It'shardformetoimaginetravelingallthatwaytoFloridaonabicycleanditwouldhavebeenworseheadingintothecoolspringofthenorth. IfyouaskeddadwhathedidwithhisbicycleandshackwhenheleftFloridahewouldsmileandsayIgavethemalltoahomelessman. 1Whydidtheauthor'sdadgosouthin1927? A.Tospendhisholidaythere. B.Tofindawell﹣paidjobthere. C.Tovisithisfriendsandrelatives. D.Tospendthewinterinawarmplace. 2Whichwordcanbestdescribetheauthor'sdad? A.aithful. B.Adventurous. C.Careless. D.Quick﹣minded. 3Whatcanweknowabouttheauthor'sdadfromthetext? A.Hecouldhardlyfeedhimselfduringthelongtrip. B.Hewasunwillingtogiveuphisbicycleandshack. C.Hisplantogosouthwasnotsupportedbyhisfamily. D.Histripbackhomewasmucheasierthankstohisboss.
晓晓的妈妈买了一条黄金项链晓晓想通过实验探究这条黄金项链是否为锌铜合金制成的仿制品她不能选用的试剂时
用量筒量取液体时正确的读数方法是视线应与量筒内凹液面保持水平．若仰视量筒则读数．
Twobrothersdecidedtodigadeepholebehindtheirhouse.Astheywereworkingacoupleofolderboys1stopbytowatch. Whatareyoudoing?askedoneofthe2visitorcuriously. Weplan3digaholeallthewaythroughtheearth!oneofthebrotherssaid4excited. Theolderboysbegantolaughtellingthe5youngonesthatitwasimpossible. Afteralong6silentoneofthediggerspickedup7boxfullofspidersandinsects.Heshowedthewonderfulthings8theolderboys. ThenhesaidconfidentlyEvenifwedon'tdigallthewaythroughtheearthlookatwhatwefoundalongtheway! 9theydreamwasfartoobigbutitdidcausethemtodig.Andthatiswhatadreamisfor﹣tocauseustomoveinthedirectionwehavechosen. Noteverydreamwillberealized.Butwhenyoucouldn'tgetwhatyouwantedperhapsyoucansayYesbutlookatthewonderfulthings0havecomeintomylifebecauseItriedtodosomething!
世界上最轻材料“碳海绵”的主要成份是石墨烯和碳纳米管两者都是单质．具备高弹性和疏松多孔的结构．下列关于“碳海绵”的说法不正确的是
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