Key to Supplementary Exercisesfor Book IItest three 3.docx

Key to Supplementary Exercisesfor Book IItest three 3.docx

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KeytoSupplementaryExercisesforBookIItestthree3

SupplementaryExercises（BookII）

TestThree

TaskOneReadingComprehension

PassageOne

Governmentsarenottheonlyoneshavingtore-examinetheirbudgets.Thefinancialcrisishasmanyfamiliesconcernedabouthowtheywillpayforcollege.ThisweekinourForeignStudentSeries,wediscusscostsforhighereducationforinternationalstudentsintheUnitedStates.

Pricesdifferfromschooltoschool,butpubliccollegesanduniversitiesusuallycostlessthanprivateones.

AbigstateuniversityinthewesternUnitedStateswillserveasourexample.TheUniversityofColoradoatBoulderhasonethousandtwohundredinternationalstudentsfrommorethaneightycountries.

Thedirectorofinternationalstudentandscholarservicessaysinternationalstudentsarepayingatotaloffortythousandtwohundreddollarsforthisacademicyear.Theuniversityestimatesthatthecostfornextyearwillincreasebyfourhundreddollars.

Theuniversitydoesnotofferfinancialaidtointernationalstudents.ThisisgenerallytrueofAmericanschools,especiallyattheundergraduatelevel.FederalandstatefinancialaidcanonlygotoAmericancitizens.

TheUniversityofColoradodoes,however,offersomehelpforinternationalstudents.Forexample,itguaranteesthemthesametuitionrateforallfouryearsofundergraduatestudy.Anditoffersfourscholarshipsforinternationalstudentswithspecialskillsortalents.

Thefederalgovernmentrequiresinternationalstudentstoshowontheirapplicationshowtheywillpayfortheirfirstyearofschool.Thisevidenceisasignedstatementfromwhoeverispayingforitandconfirmationfromabankorlawyer.

Somecollegesmightrequireinternationalstudentstoshowthattheycanpayforallfouryears.ButtheUniversityofColoradorequiresonlyevidenceoffinancialsupportforthefirstyear.

Educationaladviserssayforeignstudentsshouldkeepenoughmoneyinalocalbanktopayforatleasttwomonthsofspending.Studentshavetoconsidernotjusttuitionbutalsohousing,meals,booksandothercostsincludingsocialactivities.

ImmigrationrulesrestrictemploymentforinternationalstudentsintheUnitedStates.Sowhatkindsofjobsaretheypermittedtohave?

Thatwillbeoursubjectnextweek.

1.Manyfamiliesconcernedabouthowtopayforcollegeowingto_________.

A）thegovernmentbudgets

B）thefinancialcrisis

C）theincreasingcostofcollege

D）thequalityofcollege

2.Accordingtothepassage,whichofthefollowingisnottrueabouttheUniversityofColorado？

A）Ithasl,2001nternationalstudentsfrommorethan80countries.

B）Internationalstudentsneedtopay$40,200forthisacademicyear.

C）Likeotheruniversities,itdoesn'tofferfinancialaidtointernationalstudents.

D）Itguaranteesinternationalstudentsthesametuitionrateforallfouryearsofundergraduatestudy.

3.Forinternationalstudents,whomayhavethechancetogetthefourscholarshipsofferedbytheUniversityofColorado?

A）Poorstudents.

B）Excellentstudents.

C）Graduatestudents.

D）Studentswithspecialskillsortalents.

4.Whatcanbeinferredfromtheeighthparagraph?

A）InternationalapplicantsfortheUniversityofColoradoneedtoshowtheevidenceoffinancialsupportforallfouryears.

B）InternationalapplicantsfortheUniversityofColoradocanseekforfederalandstatefinancialaid.

C）InternationalapplicantsfortheUniversityofColoradoneedn'tshowtheevidenceoffinancialaid.

D）InternationalapplicantsfortheUniversityofColoradoneedtoshowtheevidenceoffinancialsupportforthefirstyear.

5.It'simpliedinthelastparagraphthat_________.

A）internationalstudentscouldn'tfindanyjobsintheUSbecauseoftheimmigratelaw

B）internationalstudentscouldn'tfindanyjobsoff-campus

C）internationalstudentscouldn'tfindanyjobsincampus

D）therearesomejobsprovidedforinternationalstudentsintheUS

PassageTwo

Greenroofsaredesignedtosaveenergyandcapturerainwater.Rooftopscoveredwithplantshelpkeepbuildingscool.Theycanextendthelifeofaroof.Andtheycanreducewaterrunoffintostreetsandstormwatersystems.

Severalyearsago,themayorofChicago,Illinois,visitedGermany,aleaderingreenroofdesign.MayorRichardDaleylaterdecidedtohavevegetationplantedonChicagoCityHall.Today,thetopsofmanyotherbuildingsalsolooklikeparks.

InCanada,theCoastPlazaHotelinVancouverhasaforestonitsroof.

Expertssaygreenroofsusuallydonotgetmuchabovetwenty-sevendegreesCelsius.Sotemperaturesmightnotbeaproblemforgrowing.Buttrooftopgardenershavetobecarefulnottoputtoomuchweightontheroof.Thisistruewhetherplantsaregrowninsoilorwater,

NewYorkCityhasanunusualdemonstrationfarmforhydroponics.ThefarmisonaboatcalledtheScienceBarge.Rainwaterandpurifiedriverwaterareusedtogrowlettuce,tomatoes,cucumbersandpeppers.Thefarmshowsthepossibilitiesfordesigningrooftopsystems,

Earlierthisyear,researchersinTexasreportedthatgreenroofscanreduceabuilding'sairconditioningcostsbyaboutone-fifthcomparedtoblack-toproofs.Buttheyalsoreportedthatnotallgreenroofsperformequallywell.Theyfoundthatdesignsdifferintheirabilitytokeepbuildingscoolandtocapturerainwater.

MarkSimmonsledthestudyfortheLadyBirdJohnsonWildflowerCenterattheUniversityofTexasatAustin.Greenroofshavetobedoneright,hesays.Forexample,hesays,justhavingagreenroofmaynotmeananythingintermsofpreventingwaterfromreachingthestreetlevel.

Theteamputexperimentalroofsontopofmetalinsulatedboxes,torecreategreenroofconditions.Thestudycomparedproductsfromsixcompanies.Theresearcherssaytheywanttohelpbusinessesunderstandhowtoimprovetheirdesigns.

EachrooftophadsixteendifferentkindsofplantsnativetoTexas.Theresearcherssaythepresenceofnativeplantslikelyhelpedallthegreenroofscapturewaterbettercomparedtosedums.Sedumsareplantsthatneedlittlewaterandoftenareusedongreenroofs.

Thenativeplantscouldtakeinmorewaterandreleasemoreofittotheatmosphere.

6.Accordingtothepassage,whichofthefollowingisnottrueaboutthegreenroofs?

A）Greenroofscouldkeepbuildingcool.

B）Greenroofscansaveenergy.

C）Greenroofscanreducewaterrunoffintostreets.

D）Greenroofsperformequallywell.

7.Ifgardenersputtoomuchweightonroof,_____________.

A）theroofmustbecrusheddown

B）thevegetationgrowninwaterwillgrowslowly

C）thetemperaturemightbeaproblemforgrowing

D）theroofmightbedestroyedandthelifeofitwillbeshortened

8.TheScienceBargeismentionedinthepassagetoshow____________.

A）thenecessitytopromotehydroponics

B）thesuccessfuluseofhydroponicsinfarm

C）theimportanceofnewtechnologyinfarm

D）thepossibilitiestodesignrooftopsystems

9.Comparedtothenativeplants,___________.

A）rooftopscoveredwithsedumswillcapturelesswater

B）sedumscouldtakeinmorewater

C）sedumsneedlittlewaterandreleasemoreofittotheatmosphere

D）rooftopscoveredwithsedumswillcapturewaterbetter

10.Thethemeofthepassageis__________.

A）greenroofscansaveenergyandcapturewater

B）greenroofshaveadvantagesaswellasdisadvantages

C）greenroofsneedtobeimprovedtechnically

D）greenroofsshouldbespreadinternationally

PassageThree

Whatmakespeoplehappier:

moneyorhavinghappyfriendsandneighbors?

ResearchersfromHarvardUniversityandtheUniversityofCalifornia,SanDiego,havefoundanansweraspartofastudy.

NicholasChristakisandJamesFowlerbasedthestudyontheemotionalhealthofalmost5,000people.Theyusedinformationgatheredoveraperiodof20years,until2003,intheFraminghamHeartStudy.Thatstudybegan60yearsagoinFramingham,Massachusetts,tolearnmoreabouttherisksofheartattackandstroke.

Thenewstudyfoundthatfriendsofhappypeoplehadagreaterchanceofbeinghappythemselves.Andthesmallerthephysicaldistancebetweenfriends,thelargertheeffect:

theyhadoneachother'shappiness.

Forexample,apersonwas20percentmorelikelytofeelhappyifafriendlivingwithin1.5kilometerswasalsohappy.Havingahappyneighborwholivednextdoorincreasedanindividual'schanceofbeinghappyby34percent.Theeffectsoffriends'happinesslastedforuptoayear.

Theresearchersfoundthathappinessreallyiscontagious.Sadnessalsospreadamongfriends,butnotasmuchashappiness.

Peopleremovedbyasmuchas3degreesofseparationstillhadaneffectonaperson'shappiness.3degreesofseparationmeansthefriendofafriendofafriend.

Thestudyshowedthathavinganextra5,000dollarsincreasedaperson'schancesofbecominghappierbyabout2percent.Buttheresearchersfoundthattheinfluenceofafriendcanbegreaterthanthat.

Anotherfindingisthatpeoplewhoaremarriedorworktogetherdonothaveasmuchofaneffectonhappinessasfriendsdo.

ThefindingsappearedintheBritishMedical,Journal.TheNationalInstituteonAgingintheUnitedStateshelpedpayforthestudy.

Thestudyisdescribedasthefirsttodemonstratetheindirectspreadofhappiness.Inotherwords,thatyouremotionscanbeaffectedbysomeoneyoudonotdirectlyknow.

Earlierstudiesbythetworesearchersdescribedtheeffectsofsocialnetworksonobesityandeffortstostopsmoking.Thenewstudyshowsthathappinessspreadsthroughsocialnetworkslikeanemotionalvirus一aviruspeoplewouldbehappytocatch.

11.Accordingtothepassage,