广东省中山市高中英语 Unit 4 Astronomy the science of the stars（3）课件 新人教版必修3.ppt

ourwholeuniversewasinahotdensestate thennearly14billionyearsagoexpansion 膨胀 started unit4howlifebeganontheearth review theoriginoflifehasmanytheories somelegendary 神话传说的 some andsome religious scientific legendary doyouwanttoknowthescientifictheoryofhowlifebeganontheearth doyouknowthephysicalterm thebigbangtheory howlifebeganontheearth readingcomprehension 之阅读理解题指导 partsofthisclass 本堂课步骤 以unit4reading为载体 学习阅读理解中说明文的阅读方法及解题技巧 1 prediction读前预测2 skimming略读 获取大意3 locatingandfindanswers定位回读完成阅读理解题4 makeuprelevantquestions自主读文章 小组出题 step1 pre reading predictthewritingstyle order andcontent writingstyledecidesthereadingmethods suchas说明文 议论文 skim首末段 首末句 opinion记叙文 看题目 再回读 发展与情感 howlifebeganontheearth readthetitleandthefirstfewsentences andthentrytoguess 1 thewritingstyleofthispassage2 thewritingorder sequence 写作顺序 3 whatmightbetalkedaboutinthepassage writingstyle expositionnarrationargumentation writingorder 写作顺序 firstly secondly thirdly finallyatthebeginning then next later afterthat intheend finallysomepeoplethink whileothersthink inmyopinion maincontent how beganon life theearth step2 skimming略读重要部分 以了解文章的大意 readthepassageveryquicklytofindouthowmanypartscanthepassagebedividedinto themainideaofthepassage howmanypartscanthepassagebedividedinto twoparts thefirstpart para 1 3 howtheearthbeganthesecondpart para 4 5 howlifedeveloped evolvedontheearth mainidea thispassagemainlytalksabout and 主旨题 whatisthemainideaofthispassage a itisabouttheearth b howlifebegantoappearontheearth c waterplaysanimportantroleinthedevelopmentoflife d howtheearthbeganandhowthelifedevelopedontheearth d 总结 主旨题正确选项特征 概括的范围大小正好解题技巧 反向推理 whatisthemainpurposeofthethirdparagraph totellushowwatercameintobeingtoexplainwhywaterisimportanttolifetoexplainwhythereisnolifeonthemarstointroducewater b practice step3 回读与做题 scan略读定位 study细读找答案 词义猜测题及指代题 whatdoes smallcleveranimals refertointhelastparagraph a insects b reptiles c dinosaurs d humans d theword multiply line4 the4thparagraph means a 乘以b 繁殖c 减少d 分解 b 总结 词义猜测和指代题解题步骤 一 定位 keywords 定位 回读二 替代 语境 替代 whatisthemeaningoftheword presence inthissentence thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas a giftb appearancec existenced chairman c practice 推测题 theauthorimplies 暗示 thatifwewantthelifetocontinueontheearth weshould a cutdownthepopulation b solvetheproblemofglobalwarming c thinkaboutanewwaytogrowmorecrops d notwastewater b 细节题 howdidtheearthcomeintobeingaccordingtothetimeline a theearthbecameasolidglobe ball b theearthwasacloudofdust c waterappearedontheearth d theuniversebeganwitha bigbang e theatmosphereformed a a b d e cb d c a e bc d b a e cd d b e a c c 总结 推理题 细节题解题步骤 一 定位 keywords 定位 回读 二 对照 排除 whywasitnecessaryforplantstogrowbeforeanimals aanimalsneededplantstoprotectthemfromthesun bplantsprovidedoxygenforanimalstobreathe canimalscouldhidefromhuntersinforests ditwaseasierforplantstogrow b practice canyouputthedevelopmentoflifeintotimeorder a insectsandamphibiansb reptilesc shellfishandotherfishddinosaurse smallplantsinthewaterf plantsondrylandg mammals includinghumans a d b g e f c ab e c f g c a bc e c f a b f gd e c f a b d g d practice 略读 概括 定位 替换 定位 对照 一 阅读理解题型做题方法 predict 读前预测文体 决定相应的阅读重点skim 快速阅读并总结 获得文章大意或主旨回读 根据题干中的keywords回读文章 找答案二 阅读理解五种题型主旨题 猜词义 指代题 推断题 细节题 summary yourshowtime 以大组为单位 根据文章内容 每组出一个阅读理解选择题 1 主旨题what sthemainideaof 2 猜测词义 指代题whatdoestheunderlinedword referto 3 推断题whatc