听力教程第二版第三册答案UNIT7施心远Word下载.docx

听力教程第二版第三册答案UNIT7施心远Word下载.docx

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Isthereasecrettogoodhealth?

Imean,istheresomewaywecanachieveitwhichisnotgenerallyknown?

A:

Itcertainlyisntasecret.However,thereisagreatdealofignorance,evenamongsupposedlyeducatedpeople,abouthowtobereasonablyhealthy.Q:

Well,whatadvicedoyougive,then?

Vh.tobeginwith,takediet.IbelievethatoneofthegreatestdangerstohealthinBritainandothercountries.particularlydevelopedcountries.isthekindoffoodwetendtoprefer.Q:

Suchas?

Suchasthatgreatnationalinstitution,theBritishbreakfast,forexample,hamandeggs.Orthekindoflunchsomanypeopleinthiscountryhave:

sausageandchips!

Oralltheconveniencefoodslikehamburgers.Oreventhingsweregardashealthy,suchasfull-fatmilk.OrCheddarcheese.Thelistisendless.Q:

Whatswrongwiththosethings?

Theexcessiveconsumptionofsuchthingsleadstotheoverproductionofcholesterol,whichinturnresultsinheartattack.Q:

Excuseme,butwhatexactlyischolesterol?

Itsa.wax-likesubstance.yellowish.anditsproducednaturallyinourlivers.Weallneedsomecholesterolforsurvival.Q:

Well,ifweneedit,inwhatwayisitbadforus?

Toomuchofitisbadforus.Itbuildsupinourarteries,causingthemtogetnarrower,sothatourbloodsupplyhasdifficultyingettingthrough.andthis,ofcourse,caneventuallyendinaheartattackorstroke.ThepointImtryingtomakehereisthat,eventhoughweallneedsomecholesterolinordertoinsulateournerves,andtoproducecellmembranesandhormones,thethingsmanyofuseatandevenconsiderhealthyleadtotheoverproductionofcholesterol.Andthisisverydangerous.Q:

Howcanweavoidthisoverproductionofcholesterol?

Bycuttingdownourconsumptionofanimalfats:

thingslikeredmeat,cheese,eggs,andsoon.Andbyincreasingourconsumptionoffreshfruitandvegetables,andalsobyeatingmorepotatoes,rice,pastaandbread.Q:

Pasta?

Potatoes?

But.arentsuchthingsfattening?

Nonsense.Itisntpasta,potatoesorbreadthatmakesusfat.Itswhatweputonsuchthings!

Cheese,Butter,Meat!

Q:

Soanythingwelike,anythingthatsdelicious,isbadforus.Isntthatwhatyouresaying?

Rubbish!

Imsimplysayingweeattoomuchofthesethings.Andtherearemanywaysofpreparingdeliciousfoodwithoutusingsuchlargequantitiesofanimalfats.Q:

Lastofall,whataboutexercise?

Yourecentlywarnedagainstcertainformsofexercise,whichyousaidcouldbedangerous.A:

WhatIsaidwasthatifpeoplearentusedtogettingregularandvigorousexercise,theyshouldbeginslowly,andnottrytodotoomuchatthebeginning!

Ialsosaidthatcertaingames,suchassquash,canbedangerous,particularlyifyouarentusedtoplayingthem.Anumberofinjuriesareduetosudden,twistingmovementsthatgameslikesquashinvolve.Q:

Whatkindsofexercisedoyourecommend,then?

Gentlejogging,swimming,cycling,briskwalking.exercisethatisrhythmicandgentle,andaboveall,sustained.Thatis,doneforatleastfifteenminutesuninterruptedlyatleastthreetimesaweek.Weallneedsuchexercise,andthefactisthatfartoofewofusgetenoughofit,particularlyifweliveinlargecitiesandregularlyusecars.ExerciseDirections:

Listentothedialogueandcompletethefollowinggrids.A.CholesterolDefinitionAyellowish,wax-likesubstance,whichisproducednaturallyinourlivers.FunctionWeallneedsomecholesterolinordertoinsulateournerves,andtoproducecellmembranesandhormones.OverproductionWhencholesterolbuildsupinourarteries,itcausesthemtogetnarrower,sothatourbloodsupplyhasdifficultyingettingthroughandthiscaneventuallyendinaheartattackorstroke.HowtoavoidthisoverproductionBycuttingdownourconsumptionofanimalfats:

thingslikeredmeat,cheese,eggs,andsoon.Andbyincreasingourconsumptionoffreshfruitandvegetables,andalsobyeatingmorepotatoes,rice,pastaandbread.B.ExerciseFormsofexercisewarnedagainstAnumberofinjuriesareduetosudden,twistingmovementsthatgameslikesquashinvolve.FormsofexerciserecommendedGentlejogging,swimming,cycling,briskwalking.exercisethatisrhythmicandgentle.ThingstoberememberedExerciseshouldbesustained,thatis,doneforatleastfifteenminutesuninterruptedlyatleastthreetimesaweek.Part2PassageAgingofAmerica1）Theimpendingcollisionbetweentheboomersandthenationsretirementsystemisnaturallycatchingtheeyeofpolicymakersandtheboomersthemselves.2）RetirementincomesecurityintheUnitedStateshastraditionallybeenbasedontheso-calledthree-leggedstool:

SocialSecurity,privatepensions,andotherpersonalsaving.3）Retirementplanningtakestime,andtheseissuesneedtobeaddressedsoonerratherthanlater.4）Onefoundthatin1991themedianhouseholdheadedbya65-69-year-oldhadfinancialassetsofonly$14,000,butexpandingthemeasuretoincludeSocialSecurity,pensions,housing,andotherwealthboostsmedianwealthtoabout$270,000.5）OnlyoneortwogenerationsofAmericanshavehadlengthyretirements,andthecrucialretirementissueskeepchangingrapidly,makinglong-termpredictionsevenharder.TheBabyBoom*generation-theroughly76millionpeoplebornbetween1946and1964hasbeenreshapingAmericansocietyforfivedecades.Fromjammingthenationsschoolsinthe1950sand1960s,tocrowdinglabormarketsandhousingmarketsinthe1970sand1980s,toaffectingconsumptionpatternsalmostcontinuously,boomershavealteredeconomicpatternsandinstitutionsateachstageoftheirlives.Nowthattheleadingedgeofthegenerationhasturned50,theimpendingcollisionbetweentheboomersandthenationsretirementsystemisnaturallycatchingtheeyeofpolicymakersandtheboomersthemselves.RetirementincomesecurityintheUnitedStateshastraditionallybeenbasedontheso-calledthree-leggedstool:

SocialSecurity,privatepensions,andotherpersonalsaving.SinceWorldWarIIthesystemhasservedtheelderlywell:

Thepovertyrateamongelderlyhouseholdsfellfrom35percentin1959to11percentin1995.Arethebabyboomersmakingadequatepreparationsforretirement?

Inpart,theanswerdependsonwhatismeantbyadequate.Onedefinitionistohaveenoughresourcestomaintainpre-retirementlivingstandardsinretirement.Aruleofthumb*oftenusedbyfinancialplannersisthatretireesshouldbeabletomeetthisgoalbyreplacing60-80percentofpre-retirementincome.Retiredhouseholdscanmaintaintheirpre-retirementstandardoflivingwithlessincomebecausetheyhavemoreleisuretime,fewerhouseholdmembers,andlowerexpenses.Taxesarelowerbecauseretireesescapepayrolltaxesandtheincometaxisprogressive.Andmortgageshave,forthemostpart,beenpaidoff.Ontheotherhand,olderhouseholdsmayfacehigherandmoreuncertainmedicalexpenses,eventhoughtheyarecoveredbyMedicare.Fromapublicpolicyperspective,assuringthatretireesmaintain100percentofpre-retirementlivingstandardsmaybeoverlyambitious.Butshouldpolicymakersaimtoensurethattheymaintain90percentoftheirlivingstandards?

Orthattheystayoutofpoverty?

Orusesomeothercriterion?

Retirementplanningtakestime,andthesei