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Dannywasjusttiredaboutthewaythingsweregoing.HismomcametotheschoolandwentonandontalkingaboutRickJackson.Itseemedthatshewouldneverstoptalking."Somebody’sgottostopthatboy!"shewasshouting"Rick’stroublingeverybodyintheneighborhood.AndhelovestopickonlittleboyslikeDanny." Mrs.GreenDanny’steacherwasconcernedalot."Ididn’tknowthatDannywasbeingpickedon"shenswered."He’sneversaidanythingaboutthistome!"Mrs.GreenlookedatDanny."Howlonghasthisbeengoingon"Sheasked.Dannycouldonlyshakehisheadandlookatthefloor.Heknewifhesaidawordaboutthishewouldhavetroubleafterschool. Dannyhadn’tsaidanythingabouttheproblembecausehewantedtoplaywiththeboysintheneighborhood.Afterallmostofthemwerenicetohim.HehatedtoleavethegangjustbecauseofRick.Maybethetimehadcometofindnewfriends.Hefeltithardtomakeuphismind. WhenDanny’smothercameforMrs.GreenthematterwasnowtoMrs.Green.
ⅢClozeDirections:ForeachblankinthefollowingpassagetherearefourchoicesgivenbelowandmarkedABCandD.ChoosetheonethatismostsuitableandblackenthecorrespondingletterontheAnswerSheet.Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedsmankind.Eachyearit21menwithtwohundredmilliontonsofgrainand22tenmilliontonsofwood.Coaloilnaturalgasandallother23arestored-upenergyfromthesun.Itwascollectedbytheplantsascarboncompoundsandstored24ago.Evenwaterpowercomesfromthesun.Water25intovaporbythesunfallsasrain.Itruns26themountainsandisconvertedtoelectricpower.Lighttransmitsonlytheenergy27comesfromthesun’souterlayersand28ofthisenergythatisdirectedtowardtheearthneverarrives.About29ofitisabsorbedbytheatmosphereoftheearth.In30theearthitselfgetsonlyonehalf-billionthoftheSun’sentireoutputofrediantenergy. 26
A.Englishpeoplearealwaysinterestedintheweather B.Ihave’tbeenpractisingenough C.Idon’tknow D.tomeetEnglishpeople E.Ihavesometrouble F.WhatcanItalkabout G.WhereshouldIgo H.MayIhelpyou Max:What’sthematterPeterYoudon’tlookveryhappy. Peter:I’mnot.I’mworriedaboutmyEnglish. Max:What’stheproblem Peter:56. Max:Whynote Peter:WellIseldomhavechances57. Max:Youshouldgooutmore. Peter:58 Max:Youshouldgotopubsorjoinaclub. Peter:But...Englishpeopleneverspeaktome. Max:Ah!Youshouldspeaktothemfirst. Peter:59. Max:Theweather!60. 57
A.express B.extra C.expert D.export
ⅢClozeDirections:ForeachblankinthefollowingpassagetherearefourchoicesgivenbelowandmarkedABCandD.ChoosetheonethatismostsuitableandblackenthecorrespondingletterontheAnswerSheet.Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedsmankind.Eachyearit21menwithtwohundredmilliontonsofgrainand22tenmilliontonsofwood.Coaloilnaturalgasandallother23arestored-upenergyfromthesun.Itwascollectedbytheplantsascarboncompoundsandstored24ago.Evenwaterpowercomesfromthesun.Water25intovaporbythesunfallsasrain.Itruns26themountainsandisconvertedtoelectricpower.Lighttransmitsonlytheenergy27comesfromthesun’souterlayersand28ofthisenergythatisdirectedtowardtheearthneverarrives.About29ofitisabsorbedbytheatmosphereoftheearth.In30theearthitselfgetsonlyonehalf-billionthoftheSun’sentireoutputofrediantenergy. 24
ⅢClozeDirections:ForeachblankinthefollowingpassagetherearefourchoicesgivenbelowandmarkedABCandD.ChoosetheonethatismostsuitableandblackenthecorrespondingletterontheAnswerSheet.Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedsmankind.Eachyearit21menwithtwohundredmilliontonsofgrainand22tenmilliontonsofwood.Coaloilnaturalgasandallother23arestored-upenergyfromthesun.Itwascollectedbytheplantsascarboncompoundsandstored24ago.Evenwaterpowercomesfromthesun.Water25intovaporbythesunfallsasrain.Itruns26themountainsandisconvertedtoelectricpower.Lighttransmitsonlytheenergy27comesfromthesun’souterlayersand28ofthisenergythatisdirectedtowardtheearthneverarrives.About29ofitisabsorbedbytheatmosphereoftheearth.In30theearthitselfgetsonlyonehalf-billionthoftheSun’sentireoutputofrediantenergy. 28
A.examine B.extra C.excuse D.exhibition
ⅣReadingComprehensionDirections:Therearefivereadingpassagesinthispart.Eachpassageisfollowedbyfivequestions.ForeachquestiontherearefoursuggestedanswersmarkedABCandD.ChoosethebestanswerandblackenthecorrespondingletterontheAnswerSheet.Passage1IwasafreshmanincollegewhenImettheWhites.Theywerecompletelydifferentfrommyownfamily.JaneWhiteandIbecamefriendsatschoolandherfamilywelcomedmelikealong-lostcousin.Inmyfamilyitwasalwaysimportanttoplaceblamewhenanythingbadhappened.ButtheWhitesdidn’tworryaboutwhohaddonewhat.Mr.andMrs.Whitehadsixchildren:threesonsandthreedaughters.InJulytheWhitesistersandIdecidedtotakeacartriptoNewYork.ThetwooldestSarahandJanewerecollegestudentsandtheyoungestAmyhadrecentlygotadriver’slicenseandwasexcitedaboutpracticingherdrivingonthetrip.ThebigsistersletAmytakeover.ShecametoanintersectionwithastopsignbutAmycontinuedwithoutstopping.Thedriverofalargetruckcrashedintoourcar.Janewaskilledinstantly.WhenMr.andMrs.Whitearrivedatthehospitaltheyhuggedusall.TobothoftheirdaughtersandespeciallytoAmyoverandovertheysimplysaid"We’resogladthatyou’realive."Iwasastonished.Noblame.LaterIaskedtheWhiteswhytheynevertalkedaboutthefactthatAmywasdrivingandhadrunastopsign.Mrs.Whitesaid"Jane’sgoneandnothingwesayordowillbringherback.ButAmyhasherwholelifeaheadofher.Howcansheleadafullandhappylifeifshefeelsweblameherforhersister’sdeath"Theywereright.AmygraduatedfromcollegeandgotmarriedseveralyearsagoSheworksasateacheroflearning-disabledstudents.She’salsoamotheroftwolittlegirlsofherowntheoldestnamedJane. Howdidtheaccidentoccur
Passage4Advertisementcanbethoughtofas"themeansofmakingknowninordertobuyorsellgoodsorservices".Advertisementaimstoincreasepeople’sawarenessandarouseinterest.Ittriestoinformandtopersuade.Themediaareallusedtospreadthemessage.Thepressoffersafairlycheapmethodandmagazinesareusedtoreachspecialsectionsofthemarket.Thecinemaandcommercialradioareusefulforlocalmarket.Televisionalthoughmoreexpensivecanbeveryeffective.Publicnoticesarefairlycheapandmorepermanentintheirpowerofattraction.Otherwaysofincreasingconsumerinterestarethroughexhibitionsandtradefairsaswellasdirectmailadvertisement.Therecanbenodoubtthatthegrowthinadvertisementisoneofthemoststrikingfeaturesofthewesternworldinthiscentury.Manybusinessessuchasthosehandlingfrozenfoodsliquortobaccoandmedicineshavebeenbuiltuplargelybyadvertisement.Wemightaskwhetherthecostofadvertisementispaidforbytheproducerorbythecustomer.Sinceadvertisementformspartofthecostofproductionwhichhastobecoveredbythesellingpriceitisclearthatitisthecustomerwhopaysforadvertisement.Howeveriflargescaleadvertisementleadstoincreaseddemandproductioncostsarereducedandthecustomerpaysless.Itisdifficulttomeasureexactlytheinfluenceofadvertisementonsales.Whenthemarketisgrowingadvertisementhelpstoincreasedemand.Whenthemarketisshrinkingadvertisementmaypreventabiggerfallinsalesthanwouldoccurwithoutitssupport.Whatisclearisthatbusinesseswouldnotpaylargesumsforadvertisementiftheywerenotconvincedofitsvaluetothem. Advertisementisoftenusedto
Passage4Advertisementcanbethoughtofas"themeansofmakingknowninordertobuyorsellgoodsorservices".Advertisementaimstoincreasepeople’sawarenessandarouseinterest.Ittriestoinformandtopersuade.Themediaareallusedtospreadthemessage.Thepressoffersafairlycheapmethodandmagazinesareusedtoreachspecialsectionsofthemarket.Thecinemaandcommercialradioareusefulforlocalmarket.Televisionalthoughmoreexpensivecanbeveryeffective.Publicnoticesarefairlycheapandmorepermanentintheirpowerofattraction.Otherwaysofincreasingconsumerinterestarethroughexhibitionsandtradefairsaswellasdirectmailadvertisement.Therecanbenodoubtthatthegrowthinadvertisementisoneofthemoststrikingfeaturesofthewesternworldinthiscentury.Manybusinessessuchasthosehandlingfrozenfoodsliquortobaccoandmedicineshavebeenbuiltuplargelybyadvertisement.Wemightaskwhetherthecostofadvertisementispaidforbytheproducerorbythecustomer.Sinceadvertisementformspartofthecostofproductionwhichhastobecoveredbythesellingpriceitisclearthatitisthecustomerwhopaysforadvertisement.Howeveriflargescaleadvertisementleadstoincreaseddemandproductioncostsarereducedandthecustomerpaysless.Itisdifficulttomeasureexactlytheinfluenceofadvertisementonsales.Whenthemarketisgrowingadvertisementhelpstoincreasedemand.Whenthemarketisshrinkingadvertisementmaypreventabiggerfallinsalesthanwouldoccurwithoutitssupport.Whatisclearisthatbusinesseswouldnotpaylargesumsforadvertisementiftheywerenotconvincedofitsvaluetothem. Advertisementismainlypaidforby
Passage3Manyayoungpersontellsmehewantstobeawriter.IalwaysencouragesuchpeoplebutIalsoexplainthatthere’sabigdifferencebetween"beingawriter"andwriting.Inmostcasestheseindividualsaredreamingofwealthandfamenotthelonghoursaloneatatypewriter."You’yegottowanttowrite"Isaytothem"notwanttobeawriter."Therealityisthatwritingisalonelyprivateandpoor-payingaffair.Foreverywriterkissedbyfortunetherearethousandsmorewhoselongingisneverrewarded.When!lefta20-yearcareerintheU.S.CoastGuardtobecomeafreelancewriter自由撰稿人Ihadnoprospectsatall.WhatIdidhavewasafriendwhofoundmemyroominaNewYorkapartmentbuilding.Itdidn’tevenmatterthatitwascoldandhadnobathroom.Iimmediatelyboughtausedmanualtypewriterandfeltlikeagenuinewriter.AfterayearorsohoweverIstillhadn’tgottenabreakandbegantodoubtmyself.ItwassohardtosellastorythatIbarelymadeenoughtoeat.ButIknewIwantedtowrite.Ihaddreamedaboutitforyears.Iwasn’tgoingtobeoneofthosepeoplewhodiewondering"Whatif"Iwouldkeepputtingmydreamtothetest-eventhoughitmeantlivingwithuncertaintyandfearoffailure.ThisistheShadowlandofhopeandanyonewithadreammustlearntolivethere. Whydidtheauthorbegintodoubthimselfafterthefirstyearofhiswritingcareer
ⅢClozeDirections:ForeachblankinthefollowingpassagetherearefourchoicesgivenbelowandmarkedABCandD.ChoosetheonethatismostsuitableandblackenthecorrespondingletterontheAnswerSheet.Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedsmankind.Eachyearit21menwithtwohundredmilliontonsofgrainand22tenmilliontonsofwood.Coaloilnaturalgasandallother23arestored-upenergyfromthesun.Itwascollectedbytheplantsascarboncompoundsandstored24ago.Evenwaterpowercomesfromthesun.Water25intovaporbythesunfallsasrain.Itruns26themountainsandisconvertedtoelectricpower.Lighttransmitsonlytheenergy27comesfromthesun’souterlayersand28ofthisenergythatisdirectedtowardtheearthneverarrives.About29ofitisabsorbedbytheatmosphereoftheearth.In30theearthitselfgetsonlyonehalf-billionthoftheSun’sentireoutputofrediantenergy. 30
Passage2AreyouawarethatyouactuallypossesssixsensesThesixthisamuscularsenseresponsiblefordirectingyourmusclesintelligentlytotheextentnecessaryforeachactionyouperform.Forexamplewhenyoureachforanobjectthesensorynerveslinkingthemusclestothebrainstopyourhandatthecorrectspot.Thisautomaticperceptionofthepositionofyourmusclesinrelationtotheobjectisyourmuscularsenseinaction.Musclesarestringlybundlesoffibersvaryingfromonefive-thousandofaninchtoaboutthreeinches.Theyhavethreeuniquecharacteristicstheycanbecomeshorterandthicker;theycanstretch;andtheycanretracttotheiroriginalpositions.Underahigh-poweredmicroscopemuscletissueisseenaslongslendercellswithagrainytexturelikewood.Morethanhalfofaperson’sbodyiscomposedofmusclefibersmostofwhichareinvoluntaryinotherwordsworkwithoutconsciousdirection.Thevoluntarymusclesthosethatwemoveconsciouslytoperformparticularactionsnumbermorethanfivehundred.Womenhaveonly60to70percentasmuchmuscleasmenfortheirbodymass.Thatiswhyanaveragewomancan’tliftasmuchthrowasfarorhitashardasanaverageman. Musclesareuniquefibersbecausetheycan
Dannywasjusttiredaboutthewaythingsweregoing.HismomcametotheschoolandwentonandontalkingaboutRickJackson.Itseemedthatshewouldneverstoptalking."Somebody’sgottostopthatboy!"shewasshouting"Rick’stroublingeverybodyintheneighborhood.AndhelovestopickonlittleboyslikeDanny." Mrs.GreenDanny’steacherwasconcernedalot."Ididn’tknowthatDannywasbeingpickedon"shenswered."He’sneversaidanythingaboutthistome!"Mrs.GreenlookedatDanny."Howlonghasthisbeengoingon"Sheasked.Dannycouldonlyshakehisheadandlookatthefloor.Heknewifhesaidawordaboutthishewouldhavetroubleafterschool. Dannyhadn’tsaidanythingabouttheproblembecausehewantedtoplaywiththeboysintheneighborhood.Afterallmostofthemwerenicetohim.HehatedtoleavethegangjustbecauseofRick.Maybethetimehadcometofindnewfriends.Hefeltithardtomakeuphismind. Thewordganginthereadingmeans
ⅣReadingComprehensionDirections:Therearefivereadingpassagesinthispart.Eachpassageisfollowedbyfivequestions.ForeachquestiontherearefoursuggestedanswersmarkedABCandD.ChoosethebestanswerandblackenthecorrespondingletterontheAnswerSheet.Passage1IwasafreshmanincollegewhenImettheWhites.Theywerecompletelydifferentfrommyownfamily.JaneWhiteandIbecamefriendsatschoolandherfamilywelcomedmelikealong-lostcousin.Inmyfamilyitwasalwaysimportanttoplaceblamewhenanythingbadhappened.ButtheWhitesdidn’tworryaboutwhohaddonewhat.Mr.andMrs.Whitehadsixchildren:threesonsandthreedaughters.InJulytheWhitesistersandIdecidedtotakeacartriptoNewYork.ThetwooldestSarahandJanewerecollegestudentsandtheyoungestAmyhadrecentlygotadriver’slicenseandwasexcitedaboutpracticingherdrivingonthetrip.ThebigsistersletAmytakeover.ShecametoanintersectionwithastopsignbutAmycontinuedwithoutstopping.Thedriverofalargetruckcrashedintoourcar.Janewaskilledinstantly.WhenMr.andMrs.Whitearrivedatthehospitaltheyhuggedusall.TobothoftheirdaughtersandespeciallytoAmyoverandovertheysimplysaid"We’resogladthatyou’realive."Iwasastonished.Noblame.LaterIaskedtheWhiteswhytheynevertalkedaboutthefactthatAmywasdrivingandhadrunastopsign.Mrs.Whitesaid"Jane’sgoneandnothingwesayordowillbringherback.ButAmyhasherwholelifeaheadofher.Howcansheleadafullandhappylifeifshefeelsweblameherforhersister’sdeath"Theywereright.AmygraduatedfromcollegeandgotmarriedseveralyearsagoSheworksasateacheroflearning-disabledstudents.She’salsoamotheroftwolittlegirlsofherowntheoldestnamedJane. InwhatwaydidthewriterfindtheWhitefamilycompletelydifferentfromherown
You'llrun______troubleifyoudon'ttakecare.
Ilikethatsonof______.
A.Englishpeoplearealwaysinterestedintheweather B.Ihave’tbeenpractisingenough C.Idon’tknow D.tomeetEnglishpeople E.Ihavesometrouble F.WhatcanItalkabout G.WhereshouldIgo H.MayIhelpyou Max:What’sthematterPeterYoudon’tlookveryhappy. Peter:I’mnot.I’mworriedaboutmyEnglish. Max:What’stheproblem Peter:56. Max:Whynote Peter:WellIseldomhavechances57. Max:Youshouldgooutmore. Peter:58 Max:Youshouldgotopubsorjoinaclub. Peter:But...Englishpeopleneverspeaktome. Max:Ah!Youshouldspeaktothemfirst. Peter:59. Max:Theweather!60. 59
Passage2AreyouawarethatyouactuallypossesssixsensesThesixthisamuscularsenseresponsiblefordirectingyourmusclesintelligentlytotheextentnecessaryforeachactionyouperform.Forexamplewhenyoureachforanobjectthesensorynerveslinkingthemusclestothebrainstopyourhandatthecorrectspot.Thisautomaticperceptionofthepositionofyourmusclesinrelationtotheobjectisyourmuscularsenseinaction.Musclesarestringlybundlesoffibersvaryingfromonefive-thousandofaninchtoaboutthreeinches.Theyhavethreeuniquecharacteristicstheycanbecomeshorterandthicker;theycanstretch;andtheycanretracttotheiroriginalpositions.Underahigh-poweredmicroscopemuscletissueisseenaslongslendercellswithagrainytexturelikewood.Morethanhalfofaperson’sbodyiscomposedofmusclefibersmostofwhichareinvoluntaryinotherwordsworkwithoutconsciousdirection.Thevoluntarymusclesthosethatwemoveconsciouslytoperformparticularactionsnumbermorethanfivehundred.Womenhaveonly60to70percentasmuchmuscleasmenfortheirbodymass.Thatiswhyanaveragewomancan’tliftasmuchthrowasfarorhitashardasanaverageman. Underamicroscopemusclecellsappeartobe
Passage4Advertisementcanbethoughtofas"themeansofmakingknowninordertobuyorsellgoodsorservices".Advertisementaimstoincreasepeople’sawarenessandarouseinterest.Ittriestoinformandtopersuade.Themediaareallusedtospreadthemessage.Thepressoffersafairlycheapmethodandmagazinesareusedtoreachspecialsectionsofthemarket.Thecinemaandcommercialradioareusefulforlocalmarket.Televisionalthoughmoreexpensivecanbeveryeffective.Publicnoticesarefairlycheapandmorepermanentintheirpowerofattraction.Otherwaysofincreasingconsumerinterestarethroughexhibitionsandtradefairsaswellasdirectmailadvertisement.Therecanbenodoubtthatthegrowthinadvertisementisoneofthemoststrikingfeaturesofthewesternworldinthiscentury.Manybusinessessuchasthosehandlingfrozenfoodsliquortobaccoandmedicineshavebeenbuiltuplargelybyadvertisement.Wemightaskwhetherthecostofadvertisementispaidforbytheproducerorbythecustomer.Sinceadvertisementformspartofthecostofproductionwhichhastobecoveredbythesellingpriceitisclearthatitisthecustomerwhopaysforadvertisement.Howeveriflargescaleadvertisementleadstoincreaseddemandproductioncostsarereducedandthecustomerpaysless.Itisdifficulttomeasureexactlytheinfluenceofadvertisementonsales.Whenthemarketisgrowingadvertisementhelpstoincreasedemand.Whenthemarketisshrinkingadvertisementmaypreventabiggerfallinsalesthanwouldoccurwithoutitssupport.Whatisclearisthatbusinesseswouldnotpaylargesumsforadvertisementiftheywerenotconvincedofitsvaluetothem. Thewordmediainthefirstparagraphincludes
有人认为出国留学的很多好处2.有人认为出国留学有很多不利之处3.你的看法是
Thebook______interestingbutit'sveryinstructive.
Someofthetiesgowiththeshirtsand______aresoldseparately.
Ourfriendshipis______andwewillneveragainbeseparated.
IfIheardI______.
Passage3Manyayoungpersontellsmehewantstobeawriter.IalwaysencouragesuchpeoplebutIalsoexplainthatthere’sabigdifferencebetween"beingawriter"andwriting.Inmostcasestheseindividualsaredreamingofwealthandfamenotthelonghoursaloneatatypewriter."You’yegottowanttowrite"Isaytothem"notwanttobeawriter."Therealityisthatwritingisalonelyprivateandpoor-payingaffair.Foreverywriterkissedbyfortunetherearethousandsmorewhoselongingisneverrewarded.When!lefta20-yearcareerintheU.S.CoastGuardtobecomeafreelancewriter自由撰稿人Ihadnoprospectsatall.WhatIdidhavewasafriendwhofoundmemyroominaNewYorkapartmentbuilding.Itdidn’tevenmatterthatitwascoldandhadnobathroom.Iimmediatelyboughtausedmanualtypewriterandfeltlikeagenuinewriter.AfterayearorsohoweverIstillhadn’tgottenabreakandbegantodoubtmyself.ItwassohardtosellastorythatIbarelymadeenoughtoeat.ButIknewIwantedtowrite.Ihaddreamedaboutitforyears.Iwasn’tgoingtobeoneofthosepeoplewhodiewondering"Whatif"Iwouldkeepputtingmydreamtothetest-eventhoughitmeantlivingwithuncertaintyandfearoffailure.ThisistheShadowlandofhopeandanyonewithadreammustlearntolivethere. Shadowlandinthelastsentencerefersto
Passage2AreyouawarethatyouactuallypossesssixsensesThesixthisamuscularsenseresponsiblefordirectingyourmusclesintelligentlytotheextentnecessaryforeachactionyouperform.Forexamplewhenyoureachforanobjectthesensorynerveslinkingthemusclestothebrainstopyourhandatthecorrectspot.Thisautomaticperceptionofthepositionofyourmusclesinrelationtotheobjectisyourmuscularsenseinaction.Musclesarestringlybundlesoffibersvaryingfromonefive-thousandofaninchtoaboutthreeinches.Theyhavethreeuniquecharacteristicstheycanbecomeshorterandthicker;theycanstretch;andtheycanretracttotheiroriginalpositions.Underahigh-poweredmicroscopemuscletissueisseenaslongslendercellswithagrainytexturelikewood.Morethanhalfofaperson’sbodyiscomposedofmusclefibersmostofwhichareinvoluntaryinotherwordsworkwithoutconsciousdirection.Thevoluntarymusclesthosethatwemoveconsciouslytoperformparticularactionsnumbermorethanfivehundred.Womenhaveonly60to70percentasmuchmuscleasmenfortheirbodymass.Thatiswhyanaveragewomancan’tliftasmuchthrowasfarorhitashardasanaverageman. Accordingtotheselectionthemuscularsenseisresponsiblefor
Themonitor______illwe'dbetterputthemeetingoff.
Shedidn'tknow______.
ⅢClozeDirections:ForeachblankinthefollowingpassagetherearefourchoicesgivenbelowandmarkedABCandD.ChoosetheonethatismostsuitableandblackenthecorrespondingletterontheAnswerSheet.Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsandfeedsmankind.Eachyearit21menwithtwohundredmilliontonsofgrainand22tenmilliontonsofwood.Coaloilnaturalgasandallother23arestored-upenergyfromthesun.Itwascollectedbytheplantsascarboncompoundsandstored24ago.Evenwaterpowercomesfromthesun.Water25intovaporbythesunfallsasrain.Itruns26themountainsandisconvertedtoelectricpower.Lighttransmitsonlytheenergy27comesfromthesun’souterlayersand28ofthisenergythatisdirectedtowardtheearthneverarrives.About29ofitisabsorbedbytheatmosphereoftheearth.In30theearthitselfgetsonlyonehalf-billionthoftheSun’sentireoutputofrediantenergy. 22
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