Unit1Lions獅子Lionshavebeencalledthekingsoftheanimalworld.TheseanimalscanbefoundwildinAfricaandIndia.LionsinAfricacangowithoutwaterforuptoonemonth,sotheyhavenotroubleduringdrytimes.Withoutquestion,lionsarealsooneofthemostpopularanimalstoseeinzoos.Almosteveryzooaroundtheworldhasafewlions.Itisveryeasyforpeopletotellmaleandfemalelionsapart.Lionsaretheonlykindofcatthatshowsthisbigdifferencebetweenmalesandfemales.Amalelionhasamane,alargecollarofhairaroundthelion'sface.Femalesdonothavemanes.Malelionsarealsolargerthanfemales.Amalelionusuallyweighsabout200kilograms.Bothmaleandfemaleloinshaveverystrongmouths.Theycanbreakthebacksofotheranimalswithonebite.Onelionwillusuallykillbetweentenandtwentylargeanimalseachyearforfood.Itisunusualforlionstokillpeople.However,in1898twolionskilledandateoveronehundredpeopleinKenyabeforetheywereshotbyaBritishcolonelnamedP.J.Patterson.ThisstorybecamethesubjectofaHollywoodmoviecalledTheGhostandtheDarkness.CirclethecorrectletterofthebestanswerThepassageisabout...thedifferencebetweenlionsandcatscountrieswithlotsoflionslionsinbooksandmoviesd.maleandfemalelionsHowarelionsdifferentfromothercats?LionsarefromAfricab.ManyzooskeepthemMalesandfemaleslookverydifferentLionsareoneofthemostpopularanimalsatzoos

Malelions...arelargerthanfemalesc.weighmorethanmostpeoplehavemanes d.AlloftheaboveFemalelionsarelargerthanmalesb.havemanescanbreakthebackofananimalwithonebiteneedtodrinkwatereverydayHowmanylargeanimalsdoesalionusuallykillforfoodinoneyear?a.Lessthanten b.Betweentenandtwentyc.Overonehundred d.AbouttwohundredVocabularyReinforcementCircletheletterofthewordorphrasethatbestcompletesthesentencesMybrotherisvery .Hecancarrymeonhisback.a.popularb.malec.strongd.oldWithoutquestion,maleandfemalefisharehardtotell .a.fromb.withc.apartd.oldHerdresshadaveryhigh.a.femaleb.collarc.maned.biteBecareful!Thatdogsometimes people.a.bitesb.weighsc.tellsd.goeswithoutFastfoodrestaurantsaremorewithyoungpeoplethanwitholderpeople.a.popularb.poorc.femaled.wildcannevertellifacatisorfemale.a.maneb.dryc.collard.malea.maneb.dryc.collard.maleCompletethepassagewithitemsfromthebox.Oneitemisextra.bite,collar,female,gowithout,strong,zooLionsaredifferentfromothercatsbecauseitiseasytotellifalionismaleor_1_.Themalelionhasa_2_ofhairarounditsface.Lionhave_3_mouths.Theycanbreakananimal'sbackwithone_4_.Lionscanalso_5_waterforalongtime,sotheyhavenotroubleindrytimes.Unit2RamenRamennoodlesareyellownoodlesthatoriginallycamefromChina.TheybecameapopularstreetfoodinJapanintheearly1900s.Then,afterWorldWarII,ramenbecameevenmorepopularinJapan.Atthattime,Japandidnothavemuchfoodatall.Ramenwascheapandgood,somoreandmorepeoplebeganeatingit.Inthe1950s,MomofukuAndo,themanwhostartedtheNissinfoodcompanyinJapan,hadanidea.Hewantedtomakedriedramennoodles.Peoplecouldpourhotwateroverthesenoodles,waitafewminutes,andtheneatthem.Itwouldbeinstantramen!Itwasnoteasy,butfinallyAndocameupwithawaytomakeinstantramen.Japanesepeoplelovedit!SoonothercompanieswerecopyingAndo'sidea.Notlongafterthat,instantramenspreadtoothercountries.Today,peopleallaroundtheworldenjoyramen.Infact,peopleeatabout40billionbowls,cups,orpacksoframeneveryyear!Butthestoryoframendoesnotendthere.Ramenisnowmovingfromstreetsandinstantbowlstogoodrestaurants.Allkindsofmeats,vegetables,andspicesarebeingaddedtoramen.Andpeoplearechoosingnoodlesbarsoversushibarsforanicedinneroutthesedays.Sowhetheryouwanttraditional,quick,orfancyramen,youcanfindit.Justlookonthestreet,inastore,orinarestaurantnearyou.A.Circletheletterofthewordorphrasethatbestcompletesthesentenceliketoread books,butIenjoybooksaboutscienceandnaturethemosta.allkindsofb.alongwithc.atalld.withoutquestionMyfatherdoesnotlike soup.Hemakessoupslowlyusingfreshvegetablesa.cheapb.instantc.populard.traditionalTheInternetnewideasaroundtheworldquicklya.walkb.spreadc.pourd.popularSomepeopleenjoygrowing intheirgardensa.dinnersb.meatsc.noodlesd.vegetablesThelittlegirl wateronherbrotherhead.addedb.copiedc.pouredd.spreadThenewrestaurantisvery .Iamsurethefoodtherecostsalot.a.fancyb.femalec.spreadd.quickB.Completethepassagewithitemsfromthebox.Oneitemisextraatall,fancy,instant,pour,spread,traditionalRamennoodlesareafamousfoodfromJapan.Inthe1950s,aJapanesecompanycameupwithawaytomake_1—ramennoodles.Peoplejustneededto_2—wateroverthenoodlesandwaitforafewminutes.InstantramenwasabighitinJapan,anditsoon_3_toothercountries.Thesedays,restaurantsaremaking_4_ramenwithallkindsofmeats,vegetables,andotherthingsinit.Itisnot_5—ramen,butsomepeoplethinkitisbetter!Unit3TheLeaningTowerWhydoestheLeaningTowerofPisainItalylean?Itleansbecauseofamistake.Ithasleanedalmostsincethedaythetowerwasbuilt.In1173,thepeopleofPisa,Italy,wantedtobuildabelltower.TheywantedthetowertobethemostbeautifulbelltowerinallofItaly.Thecityalsoneededabelltowerbecausethechurchdidnothaveone.However,therewasaproblem.Assoonasthethirdfloorofthebuildingwasfinished,thetowerstartedtolean.Builderstriedtomakethebuildingstraightagainastheyaddedmorefloors,buttheycouldnotfigureouthowtomakeitstopleaning.Whenthebuildingwasfinishedin1350,ithadeightfloorsandwas54.5meterstall.Afteritwasbuilt,thetowercontinuedtoleanbyanothermillimetereveryyear.By1990,itwasleaningbyaboutfourmeterstooneside.Itwasalsoslowlysinkingintotheground.Manypeoplebecameworriedthatitwouldsoonfallapart.In1998,repairworksbeganonthetower.Workerstooknearlythreeyearstomoveitbackby45centimeters.Itisstillleaning,butitisnowsafe.CircletheletterofthebestanswerWhydidthepeopleofPisawanttobuildthetower?Theyneededanewchurchb.TheyneededabelltowerTheywantedtobuildthetallesttowerinItalyTheywantedtobuildaleaningtower.Whendidthetowerbegintolean?a.Fromthefirstdayitwasbuiltb.Afterthethirdfloorwasbuiltc.Afterthelastfloorwasbuiltd.180yearsafteritwasbuiltWhenwasthetowerfinished?a.In1173b.In1180c.In1350d.In1474Beforebeingrepaired,thetowerleanedeveryyearbyanother...a.1millimeterb.54.5millimetersc.45centimetersd.4metersWhichofthefollowingisNOTtrueaboutthetower?Itwassinkingintotheground.Itwasrepairedbetween1990and1998.Peoplewereworrieditmightfallapart.Ithaseightfloorstoday.A.Circletheletterofthewordsthatbestmatchthewordsinitalics.Samdiscoveredhiserrorafterhefinishedthetest.a.correctb.mistakec.answerd.straightneedanewcarbecausemyoldoneisabouttofallapart.a.haveanaccidentb.berepairedc.besoldd.breakEveryoneinthepicturewasstandingstraight,butmybrotherwasnotstraighta.sinkingb.spreadingc.leaningd.bitingThetopofthetallbuildinghasalightonit.towerb.mistakec.belld.vegetablewenttobedassoonasIgothome.a.nowb.duringc.justbefored.justafterMylastmathproblemisverydifficult.Canyouhelpmesolveit?a.sinkintoitb.figureitoutc.gowithoutiteupwithitB.Completethepassagewithitemsfromthebox.Oneitemisextraassoonas,bell,leans,mistake,straight,towerTheLeaningTowerofPisadoesn'tstand_1_.Itactually_2_tooneside.Thetowerdoesthisbecauseofa_3—.Evenbeforethewhole_4_wasfinished,itstartedtolean._5_workersfinishedthethirdfloorofthetower,itbegantolean.Unit4AsmartDogRicoisacolliewholivesinGermany.Hisownerstrainedhimfromayoungagetofindhistoys.Whentheysaythenameofacertaintoy,Ricocanfindit.Infact,heseemstoknowthenamesof200toys!SomeresearchersinGermanywantedtotestRico.Theyputhistoysinaroomandthentoldhimtogointheroomandfindacertaintoy.SincenobodywasintheroomwithRico,hehadnohelpfromanyonefindingtherighttoy.Theresearchersdidthistestfortytimes.Ricofoundtherighttoythirty-seventimes!Thentheresearcherstriedsomethingelse.TheyputsevenofRico'stoysintheroomplusonenewtoythatRicohadneverseenbefore.ThentheytoldRicotogointotheroomandgetthenewtoy.ThisnewtoyhadanameRicohadneverheardbefore.Ricofoundtherighttoysevenoutoftentimes!ResearcherscannotreallysaythatRicoknowswordsorlanguage.However,thesetestsseemtoshowthatRicocanthinkaboutwhathehearsandthinkaboutwhatheknows.Infact,Ricoseemstothinkandrememberthingsaswellasathree-year-oldchild.Fromthesetests,animalresearchersknowonethingforsure.Ricohasgiventhemalottothinkabout.ReadingComprehensionl.Agoodtitleforthepassageis...a.GermanColliesAretheSmartestDogsb.RicoSurprisesResearchersHowDogsUseLanguageTheBestToysforCollies2.WhatisRicogoodat?a.Catchingthings b.Findingthingsc.Countingthings d.PuttingthingsinorderWhatdidresearchersaskRicotodoatfirst?BringacertaintoyoutofaroomNametoysplusputthemawayc.Chooseatoythathelikedplayingwithd.Puthistoysintohisroom.HowmanytimesdidRicogointotheroomtofindanewtoyhedidn'tknow?a.Sevenb.Tenc.Thirty-sevend.FortyWhywereresearcherssurprisedbywhattheysaw?RicoalwaysknewwhichtoyswerehisandwhichwerenotRicoseemstorememberthingsaswellasayoungchildRicoshowedthatheunderstandslanguageRicoworkedveryhardwithouthelpfromhisownerA.Circletheletterofthewordorphrasethatbestcompletesthesentence.Howdidyou yourbirdtoeatoutofyourhand?a.leanb.pourc.spreadd.trainwaslookingfora bookaboutlions,butthelibrarydidnothaveit.a.certainb.plusc.rightd.straightMorethansix workedtogetherontheproject.a.featuresb.researchersc.towersd.zoosShe goingskiingduringthevacation,butintheend,shejuststayedhome.a.cameupwithb.fellapartc.learnedaboutd.thoughtaboutLearnallofthewordsinthelistbecausetheywillbeonthetest .a.assoonasb.atallc.forsured.outoftenYoushoulddothemathproblemagain.Iseea inyourwork.a.languageb.mistakec.ownerd.toyB.Completethepassagewithitemsfromthebox.Oneitemisextra.certain,language,outof,plus,researchers,trainRicoiscollieinGermany.Some_1_wantedtoseehowsmartthisdogis.TheyputallofRico'stoysintoaroom.Thentheytoldthedogtogointotheroomandfinda_2_toy.Ricocouldnotgethelpfromhisowner.Thirty-seventimes—3—forty,Ricofoundtherighttoy!_4—,inanothertest,hecouldoftenfindatoyheneverheardthenameofbefore.ResearchersarenotsurethatthisshowsthatRicoknowstheir_5_,butitdoesgivetheresearchersalottothinkabout.Unit5Twenty-FirstCenturyBooksProbablyyouhaveseensomeonereadingabookonanelectronicreadingdevice.Overthepastfewyears,thesesmallcomputershavebecomemorepopular.Forthatreason,morecompaniesthatmaketraditionalpaperbooksarenowmakingelectronicbooks(e-books).Moste-booksarethesameaspaperbooks,butpeopledownloadafileintoareadingdeviceratherthanbuyingthepaperbooks.Thiswaytheycancarrymanybooks.Bookcompaniesareaddingspecialfeaturestosomee-books.Theseextrafeaturesmightincludesoundfiles,picturefiles,orvideofiles.Whenthereadersclickonthesefilestheylearnmoreaboutthebook,thestoryorthewriter.Thelatestelectronicreadersaresmallerandcheaper,buttheyarealsomuchmorepowerful.Theycanstoremuchmoreinformation,sowritersandbookcompaniescandomorewiththeire-books.Theydon'twanttojustaddfilestoacompletedbook.Theyaremakingthesound,picture,andvideofilespartofthestory.Readersneedthesefilestounderstandthewholestory.Readerscanevenchangethestory.Readersalreadyhavealotofbookstochoosefrom.Iftheycanchangethewaystoriesend,theywillhaveevenmorechoice!Circletheletterofbestanswer.Thisreadingisabout...A.booksaboutthefutureB.bookswrittenafter1999C.electronicbooks D.popularwriterstodayWhichsentenceistrueaboutthedevicesdescribedinthepassage?Youcanusethemtoreade-books.Theychangepaperbooksintoe-books.Youcanusethemtomakevideos.Theyweighlessthanapaperbook.Accordingtothepassage,whatspecialfeaturemightsomee-booksinclude?A.CopiesofthepaperbookB.ExtrafilesC.Devicesfbrothere-booksD.Otherwriters9e-booksWhichofthefollowinge-booksisnotmentionedinthepassage?Ane-bookthathassoldoveronemillioncopiesAne-bookthatisonlytextAne-bookwithasoundfilethattellspartofthestoryAne-bookwithavideoaboutthewriterHowaresomee-bookstodaydifferentthanolderbooks?Companiesselltheminmanyfiles.Readerscanchangethestories.Devicesmakethemeasiertoread.Writersdonotfinishthem.VocabularyReinforcement:A.Circletheletterofthewordorphrasethatbestmatchestheword(s)initalicskeepmybooksonthisreader.Nowmybagisnotsoheavy.a.storeb.trainc.pourd.spreadMbablyd.usuallyOpanyb.devicec.featured.videoSputerc.e-bookd.filethinkIwillridemybiketoschoolinsteadoftakingthebus.noproblemb.ratherthanc.thesameasd.withoutquestionYoucanselectthepicturetoseeitlargeronthecomputerscreen.a.clickonb.choosefromc.gowithoutd.tellapartB.Completethepassagewithitemsfromthebox.Oneitemisextra.clickon,devices,electronic,features,file,probablyThesedays,ratherthanreadingpaperbooks,peoplearenowreading_1_books(e-books).Thesebookscanbereadusingspecial_2_.Apersonjustdownloadsthe_3_intohisordevicetoreadit.Somee-booksincludeextra_4—.Readerscanchoosefrompictureorsoundfilesincludedwiththee-books.Ortheycan

5videofilestolearnaboutthewriterorotherinformation.Unit6Valentine'sDayFebruary14isadayforpeoplewhohavefalleninlove.Onthisday,thesemenandwomengivegiftsandcardstoeachothertocelebrateValentine'sDay.Atfirst,February14wastheoldRomanfestival,Lupercalia.Then,onestorysays,onFebruary14,270A.D.,amannamedValentinewaskilledbytheRomansbecauseofthebeliefs.BeforeValentinewaskilled,hefellinlovewiththedaughterofhisjailerandwouldpassnotestoher.Hisfinalnoteread,"FromyourValentine.^^Later,February14becameknownasValentine'sDay.Sincethen,peopleinlovearoundtheworldhavegivengiftsandcardstoeachotheronValentine'sDay.Gloves,chocolates,andevenunderwearhaveallbeenpopularasgifts.Valentinecardsdidnotbecomepopularuntilthe1750s.ThefirstValentineCardsweremadebyhand.Peoplewrotetheirownwordsonthecards,usuallyakindorfunnymessage.Byaround1850therewerelotsofmachinesformakingcards.Allofasudden,sendingValentinecardsbecameverypopular.Now,everyyeararoundFebruary14,cardsandchocolatesfillstoresaroundtheworld,fbrallthepeoplewhohavefalleninlove.ReadingComprehensionAgoodtitleforthisReadingPassageis...TheHistoryofValentine'sDay. b.WhyPeopleFallinLoveTheMostRomanticValentine'sDayEver.ModernValentine'sDayCustoms.WhatwasLupercalia?AjailARomanfestivalAjailARomanfestivalc.Atypeofcardd.Valentine'srealnameWhowasValentine?a.Amanwhokilledsomeone b.ARomanc.Amanwhowasinlove d.AmanwhomadecardsWhyisValentinethoughttoberomantic?HewaskilledbytheRomans,b.Hefellinlovewithhisjailer.Hepassedlovenotestothedaughterofhisjailer.Hegavecardsandchocolatestoallhisfriends.WhendidValentinecardsfirstbecomepopular?a.About270b.About1750c.About1850d.February14.VocabularyReinforcementA.CircletheletterofthewordsthatbestmatchthewordsinitalicsMaryputonherhandcoveringsbecauseherhandswerecold.a.underwearb.collarc.chocolatesd.glovesIrishpeopledosomethingforSaintPatrick'sDayonMarch17.a.believeb.celebratec.gived.areknownasShewasnotathomewhenIphoned,soIlefthersomeinformation.a.acardb.aprizec.abraind.amessageItisbadtolaughatotherpeople'swaysofthinkinga.nestsb.beliefsc.jailersc.machinesInJapan,therearealotofcelebrationsinsummer.a.cardsb.messagesc.festivalsd.celebratesWithoutwarningthelightswentout,andsomeonescreamed.a.Turnoutb.Nowandthenc.Allofasuddend.AssoonasB.Completethepassagewithitemsfromthebox.Oneitemisextra.celebrated,beliefs,fallinlove,festival,gloves,messagesWhentwopeople_1_,theymaygivegiftstoeachotheronValentine^Day.Longago,February14wascalledLupercalia,aRoman_2—,butnowitisknownasSaintValentine'sDayandis_3_aroundtheworld.Onthisdayinthepast,peopleoftengaveagiftsuchas_4_tothepeopletheyloved,butnowpeopleusuallywrite_5—incards.Unit7TheTajMahalShahJahanbuilttheTajMahalinAgra,India,inthe1600s.Hewantedtomakeabeautifulplacewherehecouldburyhiswife,MumtazMahal.MumtazMahalwasonlyoneofShahJahan'swives,buthelikedherthemost.AfterMumtazdied,theShahbuilttheTajMahal.Ittooktwenty-twoyearstocompleteallofthework.Themainbuildingismadeofwhitemarbleandtheroofiswhiteandround.ItisoneofthemostfamousthingstoseeinIndia.TheTajMahalisbeautiful.TheJumnaRiverflowsbesidethenorthwall,butinsidethewalls,asmallerriverrunsthroughaprettygarden.SomepeoplewhostudyhistorythinkthatShahJahanwasalsoacruelman.TheysaythataftertheTajMahalwascompleted,ShahJahankilledthemanwhomadeit.HedidthisbecausehedidnotwantthemantobuildanythingmorebeautifulthantheTajMahal.Thatwasnotalltheyfoundout.StoriesalsosaytheShahcutoffthehandsofalloftheartistswhotookpartinbuildingtheTajMahal.AsforShahJahan,whenhediedhewasalsoburiedintheTajMahal,nexttohiswife.ReadingComprehensionWhydidShahJahanbuildtheTajMahal?Heneededanewplacetoliveb.HelikedbeautifulgardensHewantedtoburyhiswifethere.HiswifewantedtoliveinabeautifulbuildingWhowasMumtazMahal?OneoftheShah'swivesApersonwhostudiedhistoryThemanwhomadetheTajMahalAnartistwhoworkedontheTajMahalWhatcanyounotseewhenyouvisittheTajMahal?a.TheJumnaRiverb.Aroundbelltowerc.Aprettygardend.TheplacewhereMumtazMahalisburiedWhydidShahJahankillthemanwhomadetheTajMahal?TheShahdidnotliketheTajMahal.ThemanmadeamistakeTheShahdidnotwanthimtomakeanotherbuilding.Themandidnotfinishthebuilding.WhatdidShahJahandothatmakespeoplethinkhewasacruelman?a.Heburiedhiswifeb.HebuilttheTajMahal.HecutoffthehandsoftheartistsHekilledoneofhiswives.VocabularyreinforcementA.Circletheletterofthewordorphrasethatbestcompletesthesentence.Thecatjumpedfromthetreeontothe ofthehouse.a.bellb.cagec.roofd.historyliketofestivals.MyfavouriteisNewYear'sDay.a.takepartofb.takepartinc.takeapartd.takeoutSomepeoplethinkitistokeepabirdinacage.Birdsshouldflyfreeinthesky!elligentb.popularc.successfuld.cruelTpletedb.buriedc.surprisedd.foundoutThe ofthisbuildingisveryinteresting.Afamousresearcherworkedhere.historyb.beliefc.messaged.marblemynewapartment,itisinagreatlocation thepark.a.Asfbr...besideb.Beside...aroundAsfbr...aroundd.Beside...asfbrB:Completethepassagewithitemsfromthebox.Oneitemisextra.buried,cruel,findout,history,roof,takepartinShahJahanbuilttheTajMahalfbrhiswife,Mumtas.He_1_herinsidetheTajMahal.Thisbuildingisfamousforitsbeautifulroundwhite_2_.PeoplewhostudyIndian_3_arenotsurprisedto_4_thatShahJahankilledthemanwhomadetheTajMahal.TheyknowShahJahanwassometimesvery_5—.Unit8AcomputerproblemComputersmakepeople'sliveseasier.Peoplecanusetheircomputersfbrworking,shopping,orplayinggames.Laptopcomputersmakepeople'sliveseasier!Insteadofjustusingacomputerathome,peoplecantakelaptopsanywhere.Theycanwork,shop,orplaygamesanyplaceatanytimes.Butthereisaproblemwithlaptops.Peoplecanbeburnedbythem!Peoplewhositwithlaptopsontheirlegsforhoursandhourshavenoticedtheygetdarkmarksontheirlegs.Thehotlaptopistoastingtheskin.Doctorshavenoticedmorepeopleshowupwith"toastedskinsyndrome.^^Theyusetheirlaptopseverydayforhoursandhoursfbramonthormoreandthisresultsinabum.Thismarksarenotdangerous,buttheylookstrangebecausetheyarejustinonespotonpeople'slegs.Companiesthatmakecomputerstellpeoplenottoletwarmcomputerstouchbareskinfbralongtime.Wearingpantsandputtingalaptop'scaseunderthelaptopisusuallyenoughtoprotectone'sskinfromthecomputer'sheat.Butthebestwaytoavoidtoastedskinisnottoputalaptoponyourlapwhenyouuseitforalongtime.ReadingComprehensionThisreadingisabout...aproblemthatcompaniesmayhaveaproblemthatlaptopsmayhaveaproblemthatelectronicdevicesmayhaveaproblemthatpeoplemayhaveWhatdoestoastedskinsyndromeresultin?a.Aburn b.Ahotlaptopc.Adangerousproblem d.AwaytoprotectyourskinHowlongdoesapersonneedtositwithalaptoponhisorherlaptoexperiencethisproblem?a.Lessthan30minutesb.Afewhoursc.Aboutoneweekd.MorethanamonthWhichofthefollowingisNOTtrueabouttoastedskinsyndrome?a.Itcoversaperson'swholelegb.Itisnotadangerousproblem.c.Itisaburn d.ItlookslikeabrownspotWhatcanbeguessedaboutthepeoplewhogottoastedskinsyndrome?Theydidnotprotecttheirlapswellwhileusingtheirlaptops.Theyfeltpainwhentheirpantstouchedtheburnsontheirlegs.Theytriedtomakethelaptopcompaniespaythedoctors'bills.Theywereworkingoutdoorswiththeirlaptops.VocabularyReinforcementA.Circletheletterofthewordorphrasethatbestmatchesthewordsinitalics.Thebabywashappyaslongasshewassittingonhermother'slegs.a.festivalb.historyc.lapd.syndromeMtectsd.noticesStectthemThecookedbreadwasalittlehard,butitwasdelicious.a.bareb.cruelc.straightd.toastedMyuncleappearedatourfrontdoorlastnightwithouttellingushewascomingtovisit.fellinloveb.foundoutc.showedupd.tookpartinThelionsatwithoutmovingforalongtime.Ithoughtitwasasleep.a.allofasuddenb.asforc.inonespotd.insteadofB.Completethepassagewithitemfromthebox.Oneitemisextra.avoid,bare,insteadof,protect,showup,toastedPeoplecanuselaptopcomputers_1_desktopcomputerstoworkinvariousplaces.Whentheyuselaptops,theyshouldnotsitwiththeircomputersontheirlaps.Thebottomofalaptopcangethotandburnaperson's_2_skin.Doctorscallthisproblem“_3_skinsyndrome.^^Itiseasyto_4_thisproblem.Apersonjustneedsto_5_hisorherlapwiththickclothesoralaptopcase.Thenthesekindsofbumswillnot_6_ontheperson'slegs.Unit9TheMobiusBandTakeanylongpieceofpaper.Nowgluetheendsofthepapertogether.Youhavemadearing.Takeasecondlongpieceofpaper.Twistthepaperonceandgluetheendstogether.NowyouhavemadeaMobiusband.Forpeoplewhostudymath,thisbandisspecial.Thisstrangebandwasfirstmadeinthe1800sbyaGermanmannamedAugustMobius.Mr.Mobiusstudiedmath.Hewantedtofindawaytoprovehowthisbandworkswithmath.Believeitornot,thisbandhasonlyonesurface.Youcanfindthisoutforyourself.Ifyoudrawalinealongthesurfaceofthepaperbeforeyoutwistandglueit,thelineisonlyononesideofthepaper.Thepaperhastwosurfaces.However,ifyoudrawalineafteryoumaketheMobiusband,youcanfollowthelinearoundallsidesofthepaper.Inotherwords,theMobiusbandmusthaveonlyonesurface.Itisalsokindoffuntoseewhathappenswhenyoucuttheband.IfyoucuttheMobiusbandinhalfalongthelineyoudrew,youdon'tgettwoMobiusbands.Instead,afteryoucuttheband,itturnsintoonelargetwistedring.Then,ifyoucutthisringinhalfalongthemiddleofthebandagain,yougettwoconnectedMobiusbands.Tryit!ReadingcomprehensionWhatisaMobiusband?a.Amusicalgroup. b.AtypeofGermanpaper.c.Aninterestingtwistedring.d.Apersonwhostudiesmath.WhichsentenceaboutAugustMobiusisNOTtrue?AugustMobius...a.studiedmath b.discoveredaspecialtypeofgluec.wasaGerman d.madethefirstMobiusbandHowcanyouprovethattheMobiusbandhasonlyoneside?a.Cutitb.Drawalinealongitc.Glueitd.Twistit.WhatdoyougetifyoucutaMobiusbandalongthelineyoudrew?a.Alargetwistedringb.Twolongpiecesofpaperc.TwoMobiusbandsd.AshortpieceofpaperWhatdoyougetifyoucutaMobiusbandinhalfagain?a.Onelargetwistedringb.Alongpieceofpaperc.TwoMobiusbandsd.AshortpieceofpaperVocabularyReinforcementA.Circletheletteroftheworldorphrasethatbestcompletesthesentence.Iambrokethisweek.,Ican'taffordtogotothecinema.a.Inotherwordsb.Nowandthenc.Offandond.AtfirstThejob,whichseemedsmall,alotofwork.a.cametrueb.tookpartinc.turnedintod.figuredoutTvedc.twistedd