1.Famoussaying(P29)Lookingintoamirror,wecanseetrueimagesofourown;withourknowledgeofthepast,thepresentcanbebetterknown.—ChenShou

明鏡所以照形，古事所以知今。——陳壽陳壽，三國及西晉時(shí)期史學(xué)家。該句出自他的《三國志.吳書.吳主五子傳》，表明研究歷史是為了洞察當(dāng)今的形勢(shì)。單元主題探索話題詞匯Learningabouthistory了解歷史meanssignificancemeansreadinghistorybooks閱讀歷史書attendinglecturesonhistory聽關(guān)于歷史的講座visitingmuseums參觀博物館visitinghistoricsites參觀歷史遺址watchingadocumentary觀看紀(jì)錄片significancelearningaboutthepast了解過去havingabetterunderstandingofourculturaltraditions更好地了解我們的文化傳統(tǒng)guidingourlifetoday指導(dǎo)我們今天的生活preventusfrommakingthesamemistakes防止我們犯同樣的錯(cuò)誤gainingabroaderperspectiveonthepresentday有一個(gè)更廣闊的視角看待現(xiàn)在話題佳句

1.Historyshouldbetheteacherofmankind.歷史應(yīng)是人類的老師。2.Historyisnotonlyamirror，butalsoaprofound/pr??fa?nd/textbook.歷史不僅是一面鏡子,還是一本深刻的教科書。3.Withhistoryasamirror,onecanunderstandtheriseandfallofanation;withamanasamirror,onecanseewhetherheisrightorwrong.以古為鏡，可以知興替;以人為鏡，可以明得失。4.Apeoplewithouttheknowledgeoftheirpasthistory，originandcultureislikeatreewithoutroots.一個(gè)不了解自已過去的歷史、起源和文化的民族就像一棵沒有根系的樹。5.Chinahasalongandinterestinghistorytoexplore,whichcanhelpyouunderstandmuchmoreaboutthecountryanditstraditions.中國有著悠久而有趣的歷史可供探索,它可以幫助你更多地了解這個(gè)國家和它的傳統(tǒng)。readinghistoryattendinglecturesonhistorybooksvisitingmuseumsvisitinghistoricsitesguidesourlifetodayApeoplewithouttheknowledgeoftheirpasthistory,originandcultureislikeatreewithoutrootsunderstandmuchmore.aboutourcountryanditstraditions2.Peoplehavebeendreamingabouttimetravelformanyyears.Readtheexcerptonpage29anddiscussthefollowingquestionsinpairs.

TheTimeTravellerwasexplainingsomethingtous.“PeoplebelievetherearethreedimensionsofSpace—Length,BreadthandThickness;however,thereisafourthdimension（第四維度）—Time.”

“Weallknowtime,”saidamemberofourgroup.“Timepasses.”

“Idonotagree,”theTimeTravellersaid.“Length,BreadthandThicknessdonotpass.Wemoveaboutinthem.WemoveinTimethesamewaythatwemoveintheotherthreedimensions.”NoneofusbelievedtheTimeTraveller.

“It

isagainstreason（不合常理）,”onesaid.

TheTimeTravellersmiled.“Itisclear（很明顯）,”hesaid,“

thatthereisonlyonewaytoconvinceyou（說服你）.Wemustconductanexperiment（做個(gè)實(shí)驗(yàn)）.”ThenhecarriedamodeloftheTimeMachine.(Adaptedfrom（改編自）TheTimeMachine,byH.G.Wells)Discussion1.WhatdoestheTimeTravellerthinkofthefourthdimension?

2.Ifyouhadatimemachine,whichdynastywouldyougobackto?Why?IfIhadatimemachine,IwouldliketogobacktotheTangDynasty.IhavealwaysbeenfascinatedbyChang’an,soIwishIcou