人教九年级英语上册Unit8ItmustbelongtoCarla.SectionB(2a-2e)LeadinginItis6,700-kilometer-long(4,161-mile-long).HewhohasneverbeentotheGreatWallisnotatrueman.HowmuchdoyouknowabouttheGreatWall?MengJiangnu'sstoryisthemostfamousandwidelyspreadofallthelegendsabouttheGreatWallLinkingwordorphrasePurposeoflinkingwordorphraseso·expressingadifferenceas,because,since·givingachoicebut,however,though·expressingaresultnotonly…butalso·expressingtwothingshappeningatthesametimeor·givingreasonswhen,while·addinginformation2a.Matcheachlinkingwordorphrasewithitspurpose.2b.Readthearticlebelowandunderlinethelinkingwordsandphrases.Stonehenge----CanAnyoneExplainWhyItIsThere?Stonehenge,arockcircle,isnotonlyoneofBritain’smostfamoushistoricalplacesbutalsooneofitsgreatestmysteries.Everyyearitreceivesmorethan750,000visitors.PeopleliketogotothisplaceespeciallyinJuneastheywanttoseethesunrisingonthelongestdayoftheyear.Formanyyears,historiansbelievedStonehengewasatemplewhereancientleaderstriedtocommunicatewiththegods.However,historianPaulStokerthinksthiscan’tbetruebecauseStonehengewasbuiltsomanycenturiesago.“TheleadersarrivedinEnglandmuchlater”,hepointsout.AnotherpopularideaisthatStonehengemightbeakindofcalendar.Thelargestoneswereputtogetherinacertainway.Onmidsummer’smorning,thesunshinesdirectlyintothecenterofthestones.Otherpeoplebelievethestoneshaveamedicalpurpose.Theythinkthestonescanpreventillnessandkeeppeoplehealthy.“Asyouwalkthere,youcanfeeltheenergyfromyourfeetmoveupyourbody,”saidonevisitor.NooneissurewhatStonehengewasusedfor,butmostagreethatthepositionofthestonesmustbeforaspecialpurpose.Somethinkitmightbeaburialplaceoraplacetohonorancestors.Othersthinkitwasbuilttocelebrateavictoryoveranenemy.Stonehengewasbuiltslowlyoveralongperiodoftime.Mosthistoriansbelieveitmustbealmost5000yearsold.Oneofthegreatestmysteriesishowitwasbuiltbecausethestonesaresobigandheavy.In2001,agroupofEnglishvolunteerstriedtobuildanotherStonehenge,buttheycouldn’t“Wedon’treallyknowwhobuiltStonehenge,”saysPaulStoker.“Andperhapswemightneverknow,butwedoknowtheymusthavebeenhardworking---andgreatplanners!”mystery['mɪst(ə)rɪ]n.神秘，神秘的事物receive[rɪ'siːv]vt.收到；vi.接收however[haʊ'evə]adv.无论如何；不管怎样conj.然而；可是medical['medɪk(ə)l]adj.医学的；purpose['pɜːpəs]n.目的；打算prevent[prɪ'vent]v.阻止ancestor['ænsestə]n.始祖，祖先enemy['enəmɪ]n.敌人，仇敌；语法重点一1.Stonehenge,arockcircle,isnotonlyoneofBritain’smostfamoushistoricalplacesbutalsooneofitsgreatestmysteries.巨石阵、岩石圈,不仅是英国最著名的历史古迹之一也是它的一个最大的奇迹之一notonly…butalso用于连接两个表示并列关系的成分，着重强调后者，“其意为不但……而且”；其中的also有时可以省略。如：Shenotonlyplayswell,butalsowritesmusic.Notonlymenbutalsowomenwerechosen.HeworksnotonlyonweekdaysbutonSundaysaswell.注意：若连接两个成分作主语，其谓语通常与靠近的主语保持一致。如：Notonlyyoubutalsohehastoleave.若连接两个句子，notonly后面的句子要用倒装如：Notonlydidhespeakmorecorrectly,buthespokemoreeasily.2.Theythinkthestonescanpreventillnessandkeeppeoplehealthy.他们认为这些石头可以预防疾病,使人保持健康。语法重点二prevent作及物动词，可是直接带宾语，表示“阻止，阻挠”的意思；常构成：protect...from...表“示…………保护不受侵袭”；preventsb.fromdoingsomething.阻止某人做某事，在主动语态中from可以省略，被动语态中不行。如：Whatcanwedotopreventthedisease...
