大学英语四级考试备考资料《阅读理解词汇理解选词填空》考前练习题及答案.docx

大学英语四级考试备考资料《阅读理解词汇理解选词填空》考前练习题及答案.docx

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大学英语四级考试备考资料《阅读理解词汇理解选词填空》考前练习题及答案

2014年12月大学英语四级考试备考资料

《阅读理解-词汇理解（选词填空）》考前练习题及答案

第一篇关于减肥

SectionA

　　Directions:

Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinbankisidentifiedbyaletter.PleasemarkthecorrespondingletterforeachitemonAnswerSheet2withasinglelinethroughthecenter.Youmaynotuseanyofthewordsinthebankmorethanonce.

　　Questions47to56arebasedonthefollowingpassage.

　　PerhapslikemostAmericansyouhavesomeextrapoundsto47.Youmayevenhavetriedafaddietortwo,butfoundyourselfrightbackwhereyoustarted.Thekeytoweightlossisregular48activity.Andsurprisingly,youdon'thavetogiveupeatingormakethegymyoursecondhometoseelong-term,49effects.

　　Youbodyneedsacertainamountofenergytomaintainbasic50suchasbreathing,bloodcirculationanddigestion.Theenergyrequiredtokeepyourorgansfunctioningisreferredtoastherestingorbasalmetabolicrate.

　　Anytimeyouareactive,51energyisrequired.Itisobtainedfromglycogenandfatstoredintheblood,liver,andmuscles.Thekeytolosingweightistodrawonthefatratherthanonthecarbohydratereserves.

　　Whichofthetwoenergysourcesyouusedependsontheintensityand52ofyouractivity.Thehighertheintensity,themoreyourbodywillpullfromthestoredcarbohydrates.Thelowertheintensity,themoreyourbodywill53onfatasitsfuel.

　　Aerobicexerciseismost54forweightloss.Whenyouperformaerobicactivitiesyou55contractlargemusclegroupssuchasyourlegsandarms.Walking,running,rollerblading,swimming,dancing,andjumpingjacksareallformsofaerobicactivity.

　　Surprisingly,ifyouraerobicactivityislowtomoderatelyintenseandoflongduration,youwillburnmorefatthanifyouhad56inashortburstofhigh-intensityexercise.Inshort,abrisk30-minutewalkwillburnfatwhilea100-yardsprintwillburnglycogen.

　　[A]positive[B]additional[C]duration[D]effectivee[E]shed[F]physical

　　[G]food[H]functions[I]participated[J]rely[K]cut[L]repeatedly

　　[M]uses[N]little[O]obvious

47.E

　　48.F

　　49.A

　　50.H

　　51.B

　　52.C

　　53.J

　　54.D

　　55.L

　　56.I

第二篇关于太阳花

Asunflowerisasunflower.Amobilephoneisamobilephone.Butcanyou47thetwotodosomethingforyourlocal48?

　　Itmaywellbepossible.Whenyouhavefinishedwithyourmobilephoneyouwillbeableto49itinthegardenoraplantpotandwaitforittoflower.

　　50,abiodegradable（生物可降解的）mobilephonewasintroducedbyscientists.Itishopedthatthenewtypeofphonewillencourage51torecycle.

　　Scientistshavecomeupwithanewmaterialoverthelastfiveyears.Itlookslikeanyother52andcanbehardorsoft.andabletochangeshape.Overtimeitcanalsobreakdownintothesoilwithoutgivingoutanytoxic53.Britishresearchersusedthenewmaterialtodevelopaphonecoverthatcontainsasunflowerseed.Whenthisnewtypeofcoverturnsintowaste,it54nitrates（硝酸盐）.Thesefeedtheseedandhelptheflowergrow.

　　Engineershavedesignedasmall55windowtoholdtheseed.Theyhavemadesureitonlygrowswhenthephoneisthrownaway.

　　"We'veonlyputsunflowerseedsintothecoverssofar.Butweareworkingwithplant56tofindoutwhichflowerswouldperformbest.Maybewecouldputrosesinnexttime,"saidonescientist.

　　[A]Recently[B]consumer[C]chemical[D]environment[E]combine

　　[F]transparent[G]buy[H]companion[I]experts[J]forms[K]bury

　　[L]paper[M]paper[N]plastic[O]Usually

　47.E

　　48.D

　　49.K

　　50.A

　　51.B

　　52.N

　　53.C

　　54.J

　　55.F

　　56.I

第三篇关于外教

　Questions47to56arebasedonthefollowingpassage.

　　Inrecentyears,moreandmoreforeignersareinvolvedintheteachingprogramsoftheUnitedStates.Boththeadvantagesandthedisadvantages47usingforeignfacultyinteachingpositionshavetobe48,ofcourse.Itcanbesaidthattheforeignbackgroundthatmakesthefacultymemberfromabroadanassetalso49problemsofadjustment,bothfortheuniversityandfortheindividual.Theforeignresearchscholarusuallyisolateshimselfinthelaboratoryasameansofprotection;50,whatheneedsistobefittedtoahighlyorganizeduniversitysystemquitedifferentfrom51athome.Heisfacedinhisdailyworkwithdifferencesinphilosophy,arrangementsofcoursesandmethodsofteaching.Boththevisitingprofessorandhisstudents52acommongroundineachother’scultures,someconceptofwhatisalreadyinthemindsofAmericanstudentsis53fortheforeignprofessor.Whilehelpinghimtoadapthimselftohisnewenvironment,theuniversitymustalso54certainadjustmen