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1、初中之閱讀賞析教學目標：知識與技能目標:通過泛讀文章，鍛煉學生閱讀能力和分析歸納能力；過程與方法目標:通讀文章，并由學生來講述和翻譯，再詳細講解重點詞匯和用法；情感態(tài)度與價值觀目標:現(xiàn)在對學生的英語實際應用能力要求越來越高，通過大量閱讀文章可以建立良好的閱讀和英語基礎能力。教學重點：明白文章闡述的觀點；重點詞匯的梳理。教學難點：分析語句的使用方法；歸納總結文章主旨。知識梳理與例句：天文學家首次拍到黑洞Astronomershavetakenthefirsteverphotographofablackhole.Itislocatedina far,distantgalaxycalledM87,w

2、hich is500milliontrillionkmfromEarth.Thatgargantuannumberisafivefollowedbytwentyzeroes.Scientistsestimatetheblackholetohaveadiameterof40billionkmandtobethreemillion timeslargerthanourplanet.LeadastronomerProfessorHeinoFalckespoketotheBBCabouttheblackhole.Hesaid:Whatweseeislargerthanthe sizeofourenti

3、reSolarSystem.It hasamass6.5billiontimesthatoftheSun.Anditisoneoftheheaviestblackholesthatwethinkexists.Itisanabsolutemonster-theheavyweightchampionof blackholesintheUniverse.Theimageoftheblackholewascapturedbyanarrayofeightlinkedtelescopescalledthe EventHorizonTelescope(EHT).Nosingletelescopeexists

4、thatispowerfulenoughtocapturetheimage.EachoftheEHTtelescopesislocatedhighuponvolcanoesinHawaiiandMexico,mountainsintheUSAandSpain,adesertinChile,andinAntarctica.Ateamof200scientistspointedthenetworkedtelescopestowardstheM87galaxyandscanneditoveraperiodof10days.Thedatatheygatheredwasstoredonhundredso

5、fharddrives.Itwasthencollatedandprocessedtoproducetheimagethatisnowalandmarkinspaceexploration.ProfessorSheperd Doelemancalleditanextraordinaryscientific feat.催熟奶酪的最佳音樂Scientistshavediscoveredabizarrelinkbetweenmusicandcheese.Differentgenresofmusicaffectthewaycheese matures.AtopSwisscheese-makeranda

6、teamofresearchers fromSwitzerlandsBernUniversity conductedasix-monthtesttolookintotheeffectmusichadonthematurationprocessofEmmentalcheese.Afterthe cheesehadmatured,itwassampledandassessedbytheresearchersandajuryofculinarycheeseexperts.Theresearchersfoundthatcheesethathadbeenplayedhip-hophadastronger

7、aromaandflavorthantheothersamples.Thecheeseaficionadosreachedthesameconclusionastheresearchers-thehip-hopcheesewasthetastiest.Theexperimentinvolvedexposingdifferentcheesestoa24-hour,non-stopmusicalloop.Amusicplayerdirectedsound wavesatthecheeseforsixmonths.TheexperimentwastitledCheeseinSurroundSound

8、.ThemusicincludedMozartsTheMagicFlute,LedZeppelinsrockclassicStairwaytoHeaven,andATribeCalledQuests hip-hoptuneJazz(WeveGot).Aresearcherexplainedthedifferencesintaste.Hesaid:Bacteriaareresponsiblefortheformationofthetasteofcheese,withtheenzymesthatinfluenceitsmaturity.I amconvincedthathumidity,tempe

9、ratureornutrientsarenottheonlythingsthatinfluencetaste.Sounds,ultrasoundsormusiccanalsohavephysicaleffects.紙質(zhì)書更適合做睡前讀物Themarchoftechnologymayseemunstoppable,butallthingsdigitalmayhaveawaytogobeforetheyreplacethe traditionalbedtimebook-the paperone.Anewstudyshowsthatpaperbooksarebetterthane-booksforb

10、edtime reading.Thestudysuggeststhatthegoodoldprintedbook,withrealpagesthatyouturnwithyourfingers,makesparentsand childreninteractmorethantheydo whenreading withanelectronicbook.ResearchersfromtheUniversityofMichiganstudiedhow37pairsofparentsandtoddlersinteractedwithe-booksand paperbooks.Theresearche

11、rs foundthatwithelectronicbooks,parentsaskedtheirchildrenfewerquestionsandmade fewercommentsaboutthestory.Thestudyinvolvedobservingparentsandchildrenagedtwoorthreereadingfromthreedifferentbookformats.These wereprintedbooks,basic e-booksonatablet,andenhancede-bookswithfeaturessuchasanimation,graphics

12、and soundeffects.Theresearchersdiscoveredthattheparentsandtoddlersinteractedwitheachotherlesswithbothtypesofe-booksthan theydidwiththeprintedbooks.Aresearchersaidthatwhentheydidspeak,theywerefarlikeliertotalkaboutthe deviceandthetechnologyratherthanaboutthestory.Childrenwerelikeliertosaythingslike,d

13、ontpushthatbuttonordontchangethevolumethanaskquestionsormake observationsaboutthestory.緩解全球變暖新方法ScientistshavecomeupwitharevolutionarynewideatosaveplanetEarthfromglobalwarming.Geo-engineersfrom HarvardUniversitybelievethatsprayingsun-dimmingchemicalsintothestratospherehighabovetheEarthcouldslowdowng

14、lobalwarming.Theyalsosaytheirtechniquewouldberemarkablyinexpensive,costingintheregionof$2.25billionayearovera15-yearperiod.Thetechniqueisknownasstratosphericaerosolinjection(SAI).Itisstillinitsinfancyandisyettobe proven.Itwouldinvolvetheuseofgigantichosesorhigh-poweredchemicalcannonstospraychemicals

15、intothestratosphereto actasareflectivebarrieragainstsunlightandharmfulUVrays.Thescientistshaveadmittedthattheirideaiscurrentlystillintheplanningstages.Theysaid:Wemakenojudgment aboutthedesirabilityofSAI.Wesimplyshowthatahypotheticaldeploymentprogramcommencing15yearshence,whilebothhighlyuncertainanda

16、mbitious,wouldindeedbetechnicallypossiblefromanengineeringperspective.Not allscientiststhinktheideaisagoodone.Somethinkitissomewhatpieinthesky.Theysayitwouldrequireafleetof100specially-designedplanestomake4,000missionsayear,crossingmostofthe globesairspace.Thiswouldrequirepermissionfromover100governments.Therearealsoconcernsitcoul