【成才之路】-学年高中英语Module4选做题外研版必修5Ⅰ.根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。(一)RecentlysomeAmericanscientistshavegivenausefulpieceofadvicetopeopleinindustrializednations.Theysaypeopleshouldeatmoreofthesamekindoffoodeatenbyhumanslivingmorethan10,000yearsago.__1__Thescientistssaythatthehumanlifehaschangedgreatly.Ourbodieshavenotbeenabletodealwiththesechangesinlifestyleandthishadledtonewkindsofsicknesses.__2__Sotheyarecalled“diseasesofcivilization”．Manycancersanddiseasesofthebloodsystemareexamplesofsuchdiseases.ScientistsnotedthatpeopleinboththeOldStoneAgeandtheNewStoneAgeenjoyedverylittlealcoholortobacco,probablynone.__3__However,achangeinfoodisoneofthemaindifferencesbetweenlifeinancienttimesandthatoftoday.StoneAgepeoplehuntedwildanimalsfortheirmeat,whichhadmuchlessfatthandomesticones.Theyatealotoffreshwildvegetablesandfruits.Theydidnothavemilkoranyotherdairyproducts,andtheymadeverylittleuseofgrains.__4__Weeatsixtimesmoresaltthanourancestors.Weeatmoresugar.WeeattwiceasmuchfatbutonlyonethirdasmuchproteinandmuchlessvitaminC.__5__Butscientistssaythatwewouldbemuchhealthierifweeatmuchthesamewaytheancientpeopledid,cuttingtheamountoffatty,saltyandsweetfood.A．StoneAgepeoplelivedasimplelife.B．Buttoday,weenjoyeatingalotofthese.C．Inthatcase,theywouldlivemuchhealthier.D．Ancientpeoplealsogotlotsofphysicalexercise.E．Thesenewsicknesseswerenotknowninancienttimes.F．Peopletodayprobablydon'twanttolivelikeourancestors.G．Modernpeopleusedtosufferfrom“diseasesofcivilization”．答案：1～5CEDBF(二)Hostfamilyaccommodation,orlivingwithhostfamilies,remainspopularamonglanguagetravelstudentsforitsadvantages.Thesedays,hostfamiliesaretryingtooffermoreintermsofquality,fortheystillhavesomethingtoworryabout.__1__Stayingalongsidehostfamiliesenablesstudentstogetenoughpracticefortheshorttimeoftheirstudyingsothattheirlanguageacquisition(习得)islikelytobecomefaster.Livinginhostfamiliesalsohastheadvantageforstudentsofbeingabletospendalotoftimecommunicatingwiththeir“hostparents”，gettingtoknowthelocalculture.Besides,hostfamilyaccommodationcansometimesbetheleastexpensive,foritensuresthemafamilytypeoflivingatalowcost.__2__Foronething,somehostfamiliesarelosingtheiruniquesellingpoint.Theproblemisthatthemajorityofhostsinbigcities,nowgenerallysingleandyoung,havelesstimeavailableforstudentsbutthesellingpointforhostfamilyaccommodationiscommunicationpractice.__3__Theyarebecomingmoredemandingandaskingformorethaneverfromtheiraccommodation,astheycomemainlyfromhighsocioeconomicgroupsintheirowncountries.__4__Theyaretryingtomakelivingconditionsbetter，includingbroadbandInternetservice,privatebathroom,andaccesstoplentyofhotwaterforlongshowers.__5__Itisbelievedthathostfamilyaccommodationwillkeepthepopularityvotewithlanguagetravelstudents.A．Eachyear,hostfamilyinUKprovidesgoodqualityaccommodationforthousandsofstudentsfromabroad.B．Hostfamilyaccommodationisoftenseenasthenumberonechoiceforitsadvantagesinlanguagestudy,culturalcommunicationandcostofliving.C．Foranother,students'expectationshaverisen.D．Theadvantages,however,havenotpreventedhostfamiliesfromworrying.E．Theyarealsoprovidingstudentswithstructuredfamilyactivities.F．Astheoldsayinggoes,everycoinhastwosides.G．Togetoutofthedifficultsituation，hostfamiliesarenowmakingeffortstoimprovethequalityofservice.答...
