Unit4Readingpractice名师教学设计1
TeachingAnalysis教情分析1
1Teachingobjectives-教学目标1
1Languagetarget语言目标1
1Keywords&expressions重点词汇和短语1
1Forapplying:theory,billion,violent,atmosphere,unlike,fundamental,harmful,chain,thus,puzzle,biology,biologist,intime,givebirthto,inone’sturn,prevent
from;1
2Forcomprehending:atom,globe,global,carbon,vapour,presence,dissolve,acid,reaction,multiply,oxygen,mammal,dioxide,layeggs,carbondioxide;1
3Forrecognizing:BigBang,nitrogen,shellfish,amphibian;1
2Sentencestructures:①Whatitwastobecomewasuncertainuntilbetween4
8billionyearsagowhenthedustsettledintoasolidglobe
②Itwasnotimmediatelyobviousthatwaterwasfundamentaltothedevelopmentoflife
③Afterthat,somehugeanimals,calleddinosaurs,developed
④Sowhetherlifewillcontinueontheearthformillionsof