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Unit1Howtallareyou?ReadandwritePartBLearninggoals能够通过讨论图片中季节的变化激活相关背景知识及话题词汇；能够在文段中捕捉不同类型的信息，通过简单的推理，提炼出故事的主旨大意；能够根据阅读所获取的信息完成填充内容梗概的活动；能够独立思考并完成问题。Lead-inLookatthepicturesandsaytheseasonwords.springsummerLookatthepicturesandsaytheseasonwords.winterautumn/fallCanyoudescribetheseasons?spring春warm、windyautumn/fall秋cool、windywinter冬cold、snowysummer夏hot、sunnyReadandwriteSpringiscoming!Theskyisclearerandthesunisbrighter.Canyouthinkofanyotherchanges?Lookandtick.现在进行时表将来WuYifanandhisfamilyaregoingonatriptothecountryside.WuYifanhasastorytotellRobin.CanyouanswerLittleDuck’squestion,Robin?__________(Title)LittleDuckiswatchingthesungodown.Itisgettinglowerandlower,buthisshadowisgettinglongerandlonger.“Whyisthat?”LittleDuckaskshisfriendOldTree.“Youareolderandsmarterthanme.Tellme——whyismyshadowlongerwhenthesungetslower?”OldTreesays,“That’seasy,LittleDuck.Thesungoesdowneveryday,andwegrowoldereveryday.Yourshadowgrowslongerbecauseyouaregrowingtaller.Youarebecomingabigbeautifulbird!”课文解读“be+doing”现在进行时，表示“正在……”watch观看表示“变得越来越……”影子（太阳）落山太阳的光照主要影响物体影子的朝向和长度1.太阳的光照方向与影子朝向相反，如太阳如果日出东北，那么影子就朝西南，如果太阳日落西北，那么影子就朝东南。所以影子的朝向通常被用来判断日出和日落的方向。2.太阳高度角影响物体影子长度，太阳高度角越小影子越长，反之则影子越短。一天中太阳高度在日出和日落时是最长的，且日出和日落影子相等。而正午时影子为一天中最短的。知识拓展太阳与影子的关系：Readandcircle.1.Chooseatitleforthestory.A.LittleDuck’sshadowB.Oldtree’sshadow2.Whoisyounger?A.Thetree.B.Theduck.3.Whenistheduck’sshadowlonger?A.Inthemorning.B.intheafternoon.Readthestoryagainandfinishthedialogue.LittleDuck:Oldtree,thesungets__________________，butmyshadowgets______________________.Why?OldTree:That’seasy.Yourshadowgetslongerbecauseyouaregetting__________________andgrowing__________________everyday.LittleDuck:Sowhatwillhappentome?OldTree:Well,…longerandlongerlowerandloweroldertallerThinkanddiscuss.1.Doyouagreewitholdtree?Why?2.Canyouanswerlittleduck’squestion?What’syouranswer?3.Pleasecirclethewordswith“-er”.Thentalkaboutthechangesinyourfriends.lower,longer,older,tallerSummary现在进行时表将来：Springiscoming!现在进行时：LittleDuckiswatchingthesungodown.“be+doing”现在进行时，表示“正在……”ExampleThebusiscoming!Theyarewaitingforthebus.变得越来越……：get+形容词比较级+and+形容词比较级ExampleTheballoongetsbiggerandbigger.类似的词：turn、becomeExercise()1._________iscoming.Theskyisclearerandthedayiswarmer.A.SpringB.WinterC.Summer()2.Theduck’sshadowis_________whenthesungetslower.A.shorterB.longerC.older()3.He’s_________abasketballmatchonTV.A.lookingB.seeingC.watching单项选择。ABCHomeworkRetellthestoryindialoguewithyourpartner.