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1、话题语言应用--天文语言积累交际用语指示（Instructions）Pleasepayattentionto…请注意……Pleasecheckthat…请检查一下……Pleaselookat…请看……Makesurethat…要确保……Don’tforgetto…不要忘了……Watchoutfor…小心……Youneed…你需要……You’dbetter…你最好……Youmust/mustn’t…你一定/绝不能……话题词句【高清课堂：403627Astronomy探秘天文学走进宇宙】Whatinterestsyouinastronomy?Howmuchdoyouknowaboutthes
2、tarsaroundus?拓展阅读AstronomyInancienttimes,manypeoplebelievedtheearthwasaflatdisc.Wellover2,000yearsago;theancientGreekphilosopherswereabletoputforwardtwogoodargumentsprovingthatitwasnot.Directobservationsofheavenlybodieswerethebasisofboththesearguments.First,theGreeksknewthatduringeclipsesofthemoo
3、ntheearthwasbetweenthesunandthemoon,andtheysawthatduringtheseeclipses,theearth'sshadowonthemoonwasalwaysround,theyrealizedthatthiscouldbetrueonlyiftheearthwasspherical,Ittheearthwasaflatdisc,thenitsshadowduringeclipseswouldnotbeaperfectcircle;itwouldbestretchedoutintoalongellipse.Thesecondargumen
4、twasbasedonwhattheGreekssawduringtheirtravels.TheynoticedthattheNorthStar,orPolaris,appearedlowerintheskywhentheytraveledsouth,inthemorenortherlyregions,theNorthStarappearedtothemtobemuchhigherinthesky.Bytheway,itwasalsofromthisdifferenceintheapparentpositionoftheNorthStarthattheGreeksfirstcalcul
5、atedtheapproximatedistancearoundthecircumferenceoftheearth,afigurerecordedinancientdocumentssays400.000stadium,that'sthepluraloftheworldstadium.Today,it'snotknownexactlywhatlengthonestadiumrepresents,butlet'ssayitwasabout200meters,thelengthofmanyathleticstadiums.ThiswouldmaketheGreek'sestimateabo
6、uttwicethefigureacceptedtoday,averygoodestimateforthosewritingsolongbeforeeventhefirsttelescopewasinvented.写作运用写作指导看图作文看图作文也叫做图画式作文，是一种常见的高考题型。它是指根据图画所提供的信息写一篇短文，或叙述一件事，或通过几幅相关的图画说明某个问题或得出某个结论。一般性图画式作文都包含六个要点：时间、地点、人物、事件、过程、结果。这些要点往往是缺一不可的，否则整篇文章就不完整。看图作文要求考生将画面所包含的有效信息直接运用英语思维转换成英语语言文字，再根据这些要点谋篇
7、布局。一、看图作文的考查特点1．命制思路特点看图作文的主要考查特点是生动、形象、直观、图文并茂。它要求行文时做到：主题明确，即文章能概括图画所反映的中心思想；图文一致，即文章能体现图画中所反映的主要内容。2．能力表现特点看图作文要求考生具有敏锐的观察力，丰富的想象力、严谨的逻辑思维能力、冷静的分析能力，以及最终将以上能力综合体现出来的良好的书面表达能力。3．语言表达特点表达准确，过渡自然。看图作文行文时要注意词汇与句型的精心选择，准
