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编写：钟家智修改：主评：高一英语组审核：贾世辉班级：姓名：年月日Book3Unit4Astronomy:thescienceofthestarsPeriod4Reading﹠Learningaboutlanguage一、课程标准1.了解宇宙科学、地球生命的起源，了解万有引力、黑洞等天文知识，培养科学兴趣，激发探究科学的热情。2.培养创造性思维，开拓广阔的想象空间以及对未来的幻想。3.掌握本单元教学目的和要求中的词汇用法。4.掌握主语从句的用法。二、学习目标1.了解地球上生命的起源和进化过程。检测学生对本文核心问题的理解：地球上生命的起源和延续需要哪些条件？2.通过排序的方式帮助学生弄清本文的行文线索，也就是地球上生命的起源和发展历程。3.总结文章中心思想，提高学生的对文章的归纳总结能力。三、重点、难点、考点1.导学重点：阅读课文，捕捉关键信息，完成阅读理解练习。2.导学难点：培养学生的深层理解和推断能力，找出逻辑思维线索。3.高考考点：考查科普类文章阅读能力，能准确分析文章的段落大意和中心思想。预习案【课前学习】(课前学生自主完成，课堂检测预习情况）1.阅读课文，找出课文中能够说明地球上生命的起源以及进化的词语或句子，加深课文理解单词：句子：2.预习“AVISITTOTHEMOON”探究案一、花8分钟时间小组合作，深度探究，推出小组学生代表展示：Howlifebeganontheearth二、花3分钟时间写出文章的中心思想：Thetexttellsthereadershowandhow.Fromthepassage,weknowthatisthebestforhumanto.Buthumansdidn’titinthepast.Nowwearefacingmanyproblemsnow.Whatshouldwehumando?Weshouldourearth.Takinggoodcareoftheearthmeans.训练案【课堂检测】一、花10分钟时间完成下面表格填空，推出小组代表进行展示：TimeWhathappenedBigBangbegantoformandcombinetocreatestarsandotherbodies.Between4.5and3.8billionyearsago●Dustsettledintoasolidandglobe.●Theearthexplodedtoproduceits.●Thecontinuedofwaterallowedtheearthtodissolveharmfulgasesandintotheoceansandseas.陇南一中教师成长中心——必修3UnitFourAstronomy:thescienceofthestarsPeriod11smallplantsinwater23greenplantsonland4insects(onland)5(onlandorinwater)6forests7891011humanManymillionsofyearslater●Thefirstsmallplantsonthesurfaceofthewaterproduced.●Earlyandallsortsoffishappeared.●Greenplantsbegantogrowonland.●Insectsandappeared.【课后拓展】一、阅读课本p30-31的泛读材料，完成以下问题，在下节课小组代表展示：ReadandthendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.1.2.3.二、完成课本p28---Exercise3的练习，下节课小组代表展示：三、阅读下面文章，查阅生词并记录在笔记本上。Hawkingandachildren’sbookStephenHawking,theworld’smostfamousphysicist,abest-sellingauthor,andtheleadingexpertoncosmology(宇宙论)andblackholes,willpublishamiddle--schoolchildren’sbookaboutthewondersofscience,titledGeorge’sSecretKeytotheUniverse.LucyHawking,36,thephysicist’sdaughterandasuccessfuljournalist,istheco-author.George’sSecretKeytotheUniverseisanadventurestorywherealltheadventuresarebasedonrealscience.Itisajourneyacrossspacetolearnmoreabouttheuniverseinwhichweliveandajourneythroughphysics,thelawsthatgovern(支配)theuniverse,tounderstandmoreaboutit.Butit’salsothestoryofalonelyboyandhowhislifechangeswhenhemeetshisnewnext-doorneighbours,AnnieandEric.Annieismadabouttheballet(芭蕾)andEric,herfather,isascientist.EricworkswithacomputercalledCosmoswhoissopowerfulandsocleverthathecandrawadoorway,throughwhichyoucanwalktoanyplaceintheknownuniverse.The320-page-booktargets(面向)theeight-plusagegroup.Lucysaid,“Myfatherwastellingpeopleitwasforthe8-to-80agerange(范围)untilIaskedwhyhethoughttheover-eightieswouldn’tenjoyit.Sonowhejustsays‘8andupwards,noupperlimit.’”四、下面句中均有一处错误，请找出并改正1.It’ssocoldtositoutside.Let’sgoinside.2.Somethingmustcatchfire.Theroomisfilledofthicksmoke.3.Heisunabletogotoworkastheresultofthefallfromhishorse.4.Sheonlyallowsthechildrenwatchingtelevisionontheweekends.5.I’dbeveryinterestinginknowingmoreabouttheservicesyourfirmoffers.课后反思