搜索
Unit4Astronomy:thescienceofthestars-reading学案AVisitToTheMoon学习目标：1.Learnaboutthethreewaysgravitychangedduringthevisit.2.Mastersomekeylanguagepoints.3.Developthecuriosityofexploringspace.学习重点：1.Words:①force/power/strength/energy②escape③exhaust2.Phrases:getthehangof3.倍数的表达学习方法：自主探究；小组合作学习过程：Ⅰ.KnowledgeLinkWhoisthefirstmaninChinawalkinginspace?Ⅱ.Reading1.Readthepassageandfinishthechartbelow.Theforceofgravitychanges3timesChange1Whenwearetryingto___________thepulloftheearth’s____________,itis_____________________________wecouldnotsayanythingtoeachother.Change2Whenweareinspace,we____________________________thereisnogravityatall.Change3Whenweareonthemoon,weareabletomove___________________andcertainly____________less.2.Analyzesentencestructure①例：IdidhearthattheBankofEnglandhadissuedtwonotesinthisamount.【分析】that引导的句子做hear的宾语，为宾语从句●LiYanpingexplainedtomethattheforceofgravitywouldchangethreetimesonourjourneyandthatthefirstchangewouldbethemostpowerful.【分析】explainedtome后面跟了两个由and并连的that引导的_________________.②例：WangPengsatinhisemptyrestaurantfeelingveryfrustrated.【分析】动词feel前无连接词，故不能和sat一起做并列谓语，只能以非谓语形式做状语；feel和主语WangPeng是主动的关系，故用～ing形式，如果是被动的关系，则用～ed形式.●Icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger.【分析】watch前没有连接词，所以不能和动词cheeredup及floated一起做并列谓语；watch和主语I是___________关系，所以用________形式作伴随状语。●Wewatched,amazedasthefirbrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.【分析】amaze受词组beamazed的影响，和主语we是形式上的被动关系，所以用_________形式做伴随状语.CrazeEnglish:(Openyourmouthandreadloudly)1.Itwassohardthatwecouldnotsayanythingtoeachother.2.Wearetoofarfromtheearthnowtofeelitspull.3.Iwascarriedtwiceasfarasontheearthandfelldown.4.Walkingdoesneedabitofpracticenowthatgravityhaschanged.5.Leavingthemoon’sgravitywasnotaspainfulasleavingtheearth’s.Ⅲ.LanguagePoints1.wordmeaningexampleforce暴力；说服力；法律/道德的力量Therobbertooktheoldman’smoneybyforce.power做某事的能力或能发挥出力的力量；政权；权力Knowledgeispower.strength人的力气Hereturnedtohishometownwherehismentalhealthandstrengthgraduallygotbetter.energy人的精力或自然界的能源Oilisaformofenergy.2.escapevt.逃脱；免除；被遗忘，未被注意Youcan’tescapethefactthat……你不能逃避这样的事实…escapedoingsthThetigerescapedbeingkilled.Hernameescapedme.我想不起她的名字了。3．exhaustvt使（人或动物）疲倦；耗尽用尽Thelongwalkexhaustedher长途步行使她筋疲力尽。exhaustone’spatience/strength失去耐心/用尽力气。exhaustedadj.I’mexhausted!4.getthehangof熟悉；掌握；理解I’mtryingtogetthehangofthenewtelephonesystem.5.倍数的表达公式例句意义…倍数＋形容词/副词的比较级＋than…Theplaneflewninetimeshigherthanthekite.飞机飞得是风筝的10倍高。…倍数＋as＋形容词/副词的原级＋as…Theplaneflewtentimesashighasthekite.…倍数＋thesize/weight/length/height/widthof…Theplaneflewtentimestheheightofthekite.Ⅳ.Exercisecafé1.-You’realwaysfullof_________.Canyoutellmethesecret?-Takingplentyofexerciseeveryday.ApowerBstrengthCforceDenergy2.Whoeverbreaksthelawwill________.WhichoneisNOTright?AescapebeingpunishedBescapepunishmentCnotgetawaywithpunishmentDescapepunishing3.这座桥是那座桥的4倍长。①Thisbridgeis________________________________________thatone.②__________________________________________________________________③___________________________________________________________________Ⅴ.Consolidation(巩固)回顾学习目标，检查你的掌握情况。Ⅵ.学后反思：Thedevelopmentofsciencemakeitpossibletoexplorespace.Wehavereachedthemoonandcometrueourdream.Whichnextstarwouldyouliketogoto?Astronomyisascientificsubjectmadeupofmathmaticsandphysics.Studyhardandyoumaydevotetoourcountry’sspaceexplore.Ⅶ.Post-classwork:1.ReadloudlyandrecitethesentencesinCrazeEnglish.2.Completethenextlearningpaper.