高一英语《unit4 astronomy》教学设计（二）

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1、]云南省陇川县第一中学高一英语《Unit4Astronomy》教学设计（二）Grammar(LearningaboutlanguageandUsinglanguage)一、Teachingcontent1.Practicegivinginstructions.2.LearntouseNounClausesasthesubject.二、Importantwordsandphrases1.dieout熄灭；灭绝dieaway逐渐消失、平息diefrom由于......而死（外因）dieof由于......而死(内因)2.blockout挡住（光线）；）blockup阻塞，

2、堵塞blockoff（用障碍物）隔开blockin草拟（计划、大纲等），画出（略图）3.crash(into/onto/through/to)v.撞击（某物）发出声响；突然倒下Eg.Theplanecrashedintothemountain.4.cheerup感到高兴；感到振奋cheersb.up使某人高兴；使某人振奋cheeron为……加油cheersb.为某人喝彩withgoodcheer欣然地Cheers!干杯！祝你健康！(用于祝酒)eg.__Cheer________up__！Thenewsisn'ttoobad.振作一点吧！也不是什么太坏的消息。5．bre

3、akout(战争、灾难、瘟疫等)突发；爆发(无被动语态)①TheSecondWorldWarbrokeoutinSeptember1939.“二战”是1939年9月爆发的。②Afirebrokeoutintheneighborhoodlastnight.昨晚居民区里发生了火灾。拓展：breakawayfrom脱离(政党等)；打破(陈套等)breakdown出故障，抛锚；(计划等)失败；(身体、精神等)垮掉；打倒，砸破；(化合物等)分解breakin破门而入；闯入；打断(话语等)breakinto破门而入，突然……起来breakoff折断；突然中止，断绝，结束break

4、through突破breakup打碎，拆散；散开，解散；(学校)期末放假，(集会)结束breakintopieces成为碎片Eg.介、副词填空(1)Shestartedtospeak,thenbroke___off___whileawaitressserveduswithcoffee.(2)Helosthisjobandhismarriagebroke___up___.(3)Herhealthbroke______down__underthepressureofwork.(4)Shouldanotherworldwarbreak___out___，whatwouldb

5、ecomeofhumanbeings?6．watchout注意；当心watchout(for)＝lookout(for)密切注意；留神takecare留神，注意becareful仔细，留神watchit当心，小心watchover照看；看守keepaclosewatch/eyeon密切注视Eg.(1)___watch____out___！Thereisacarcoming!当心！有车来了！三、Someusefulexpressions（finishthesentences）Pleaselookat/listento...Pleasecheckthat...Younee

6、d...Pleasepayattentionto...Don’tforgetto...You’dbetter...Makesureyou...Watchoutfor...Youmustn’t...practise(Speakingonpage31)Whatdoyouneedifyoutraveltothemoon?Sample:S1:Let’sthinkaboutwhatwewouldneedtoprotectourskinifwevisitedtheMoon.S2:I’dtakesomeskincream.Thatworksverywellwhenwegotothe

7、sea.S3:Yes,butit’sgoingtobemuchtoohottoputcreamonyourskinontheMoon.S4:What’smoreyougetdirectheatfromthesun.TherearenocloudsontheMoontoprotectyou.S3:Ohdear,andIalsohavetocarryoxygenaroundwithmeeverywherebecausethere’snooxygenontheMoon.S2:Whydon’twecarrytheoxygenonourbacksinatank