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1、初中英语阅读之美文赏析初中之阅读赏析教学目标:知识与技能目标:通过泛读文章,锻炼学生阅读能力和分析归纳能力;过程与方法目标:通读文章,并由学生来讲述和翻译,再详细讲解重点词汇和用法;情感态度与价值观目标:现在对学生的英语实际应用能力要求越来越高,通过大量阅读文章可以建立良好的阅读和英语基础能力。教学重点:明白文章阐述的观点;重点词汇的梳理。教学难点:分析语句的使用方法;归纳总结文章主旨。知识梳理与例句:天文学家首次拍到黑洞Astronomershavetakenthefirsteverphotographofablackhole.Itislocatedina far,distantgalaxy
2、calledM87,which is500milliontrillionkmfromEarth.Thatgargantuannumberisafivefollowedbytwentyzeroes.Scientistsestimatetheblackholetohaveadiameterof40billionkmandtobethreemillion timeslargerthanourplanet.LeadastronomerProfessorHeinoFalckespoketotheBBCabouttheblackhole.Hesaid:Whatweseeislargerthanthe si
3、zeofourentireSolarSystem.It hasamassbilliontimesthatoftheSun.Anditisoneoftheheaviestblackholesthatwethinkexists.Itisanabsolutemonster-theheavyweightchampionof blackholesintheUniverse.Theimageoftheblackholewascapturedbyanarrayofeightlinkedtelescopescalledthe EventHorizonTelescope(EHT).Nosingletelesco
4、peexiststhatispowerfulenoughtocapturetheimage.EachoftheEHTtelescopesislocatedhighuponvolcanoesinHawaiiandMexico,mountainsintheUSAandSpain,adesertinChile,andinAntarctica.Ateamof200scientistspointedthenetworkedtelescopestowardstheM87galaxyandscanneditoveraperiodof10days.Thedatatheygatheredwasstoredonh
5、undredsofharddrives.Itwasthencollatedandprocessedtoproducetheimagethatisnowalandmarkinspaceexploration.ProfessorSheperd Doelemancalleditanextraordinaryscientific feat.催熟奶酪的最佳音乐Scientistshavediscoveredabizarrelinkbetweenmusicandcheese.Differentgenresofmusicaffectthewaycheese matures.AtopSwisscheese-m
6、akerandateamofresearchers fromSwitzerlandsBernUniversity conductedasix-monthtesttolookintotheeffectmusichadonthematurationprocessofEmmentalcheese.Afterthe cheesehadmatured,itwassampledandassessedbytheresearchersandajuryofculinarycheeseexperts.Theresearchersfoundthatcheesethathadbeenplayedhip-hophada
7、strongeraromaandflavorthantheothercheeseaficionadosreachedthesameconclusionastheresearchers-thehip-hopcheesewasthetastiest.Theexperimentinvolvedexposingdifferentcheesestoa24-hour,non-stopmusicalloop.Amusicplayerdirectedsound wavesatthecheeseforsixmonths.TheexperimentwastitledCheeseinSurroundSound.Th
8、emusicincludedMozartsTheMagicFlute,LedZeppelinsrockclassicStairwaytoHeaven,andATribeCalledQuests hip-hoptuneJazz(WeveGot).Aresearcherexplainedthedifferencesintaste.Hesaid:Bacteriaareresponsiblefortheformationofthetasteofcheese,withtheenzymesthatinfluenceitsmaturity.I amconvincedthathumidity,temperat
9、ureornutrientsarenottheonlythingsthatinfluencetaste.Sounds,ultrasoundsormusiccanalsohavephysicaleffects.纸质书更适合做睡前读物Themarchoftechnologymayseemunstoppable,butallthingsdigitalmayhaveawaytogobeforetheyreplacethe traditionalbedtimebook-the paperone.Anewstudyshowsthatpaperbooksarebetterthane-booksforbedt
10、ime reading.Thestudysuggeststhatthegoodoldprintedbook,withrealpagesthatyouturnwithyourfingers,makesparentsand childreninteractmorethantheydo whenreading withanelectronicbook.ResearchersfromtheUniversityofMichiganstudiedhow37pairsofparentsandtoddlersinteractedwithe-booksand paperbooks.Theresearchers
11、foundthatwithelectronicbooks,parentsaskedtheirchildrenfewerquestionsandmade fewercommentsaboutthestory.Thestudyinvolvedobservingparentsandchildrenagedtwoorthreereadingfromthreedifferentbookformats.These wereprintedbooks,basic e-booksonatablet,andenhancede-bookswithfeaturessuchasanimation,graphicsand
12、 soundeffects.Theresearchersdiscoveredthattheparentsandtoddlersinteractedwitheachotherlesswithbothtypesofe-booksthan theydidwiththeprintedbooks.Aresearchersaidthatwhentheydidspeak,theywerefarlikeliertotalkaboutthe deviceandthetechnologyratherthanaboutthestory.Childrenwerelikeliertosaythingslike,dont
13、pushthatbuttonordontchangethevolumethanaskquestionsormake observationsaboutthestory.缓解全球变暖新方法ScientistshavecomeupwitharevolutionarynewideatosaveplanetEarthfromglobalwarming.Geo-engineersfrom HarvardUniversitybelievethatsprayingsun-dimmingchemicalsintothestratospherehighabovetheEarthcouldslowdownglob
14、alwarming.Theyalsosaytheirtechniquewouldberemarkablyinexpensive,costingintheregionof$billionayearovera15-yearperiod.Thetechniqueisknownasstratosphericaerosolinjection(SAI).Itisstillinitsinfancyandisyettobe proven.Itwouldinvolvetheuseofgigantichosesorhigh-poweredchemicalcannonstospraychemicalsintothe
15、stratosphereto actasareflectivebarrieragainstsunlightandharmfulUVrays.Thescientistshaveadmittedthattheirideaiscurrentlystillintheplanningstages.Theysaid:Wemakenojudgment aboutthedesirabilityofSAI.Wesimplyshowthatahypotheticaldeploymentprogramcommencing15yearshence,whilebothhighlyuncertainandambitiou
16、s,wouldindeedbetechnicallypossiblefromanengineeringperspective.Not allscientiststhinktheideaisagoodone.Somethinkitissomewhatpieinthesky.Theysayitwouldrequireafleetof100specially-designedplanestomake4,000missionsayear,crossingmostofthe globesairspace.Thiswouldrequirepermissionfromover100governments.Therearealsoconcernsitcouldincreasedroughtsandextrem
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