SectionⅠStartingout&UnderstandingideasⅠ.核心单词1．movementn．动作，活动2．massadj.大量的，大规模的3．somehowadv.用某种方法4．professorn.教授5．measurev.量，测量6．positionv.位置7．eventuallyadv.终于，最终8．mysteryn.谜，难题9．crashv．/n.碰撞，坠落10．volunteern.志愿者11．survivev.活下来，幸存12．imaginationn.想像力Ⅱ.拓展单词1．migrationn．迁徙→migratev．迁徙2．determinev．测定→determinedadj.坚决的→determinationn．决心3．solutionn．解决方法→solvev．解决4．amazingadj.惊人的，了不起的→amazedadj.感到吃惊的→amazev．使惊讶→amazementn．惊讶5．destroyv．破坏→destructionn．破坏→destructiveadj.破坏性的6．awarenessn．认识，意识→awareadj.知道的，有意识的→unawareadj.未意识到的7．appreciationn．欣赏，赏识→appreciatev．欣赏，感激Ⅲ.重点短语1．millions_of数百万的2．the_solution_to_……的解决方法3．as_much_as多达4．cut_down砍倒5．lead_to导致6．make_sure_that保证，确保7．feed_on以……为食8．the_number_of...……的数量9．once_again再次Ⅳ.重点句型1．Thesetwopiecesofinformation—thetimeofdayandthepointwherethesunisinthesky...这两项信息——一天中的时间和太阳在天空中的位置……2．Sadly,humanactivityisthe_main_reason_whythenumberofmonarchbutterfliesisfalling.不幸地是，人类活动是黑脉金斑蝶数量下降的主要原因。3．The_moreweknowaboutthelovelycreature,the_greaterthechanceitwillsurvive...我们对这一可爱的生物了解越多，它们生存下来的机会就越大。语篇理解1．Whatismigration?A．Manyanimalssettledowninaplace.B．Somethingoccursinawar.C．Manyanimalsmovefromoneplacetoanotheratcertaintimesoftheyear.D．Manyanimalscommunicateandhelpeachother.答案：C2．Whichofthefollowingisnotapurposeofamigration?A．TofindfoodB．TofindapartnerC．InsearchofwarmweatherD．Totravel答案：D3．TheNorthAmericanmonarchbutterfliesuse________tomeasurethepositionofthesun.A．EyesB．NosesC．LegsD．Ears答案：A4．Thenumberofthebutterflieshasreducedby________inthelastfewyears.A．10%B．50%C．70%D．90%答案：D5．Howcanthemonarchbutterflycankeepitsplaceinthehumanimagination?A．BywatchingTVandmovies.B．Bydoingmoreresearch.C．Bylearningfromotheranimals.D．Byprotectingthemselves.答案：B►重点单词和短语1．seekv．寻找(1)seekthetruth寻求真理(2)seekone'sfortune寻找发财机会(3)seekadvice/help(fromsb.)(向某人)征求意见/请求帮助①Sheisseeking(for)abetterwaytowinhercustomersback.她正在寻找一种更好的方式来赢回她的顾客。②Youcanseekhelpfromyourteacherwhengettingintotrouble.有困难时你可以向老师寻求帮助。[即学即练]完成句子(1)Manyfarmerslefttheirvillagestoseek_their_fortune(寻找发财机会)inthecity.(2)Whenintrouble,Ioftenseek_advice_from_my_teacher(向老师征求意见)．,联想拓展：seek的过去式和过去分词分别为sought,sought.seek的同义表达还有：lookfor,searchfor2.massadj.民众的，大规模的n．许多，团，堆(1)masscampaign群众运动(2)amassof/massesof许多themassof大多数themasses群众(3)massiveadj.大规模的①Theirlatestproductisaimedatthemassmarket.他们的最新产品瞄准了大众市场。②ThepolarbearisfoundintheArcticCircleandsomebiglandmassesasfarsouthasNewfoundland.北极熊生活在北极圈和一些广阔的陆地上，南至纽芬兰。③I'veamassofworktodo.我有许多工作要做。[即学即练]单句语法填空/句子翻译(1)Clubmemberscangetamassive(mass)discountof￡50.(2)Whenthepresident'sflightlanded,amassofpeopleseemedtoappearoutofthinair.(3)Iwonderiftheyaretrulyconcernedabouttheinterestsofthemasses.我想知道他们是否真正地关心群众的利益。,发散思维：sive结尾的形容词还有passive消极的persuasive有说服力的impressive感人...
