15春华师《综合英语3》在线作业答案.docx
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15春华师《综合英语3》在线作业答案.docx
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15春华师《综合英语3》在线作业答案
华师《综合英语(3)》在线作业
一、阅读理解(共10道试题,共100分。
)
1.
Doyouhavetroublesleepingatnight?
Thenmaybethisisforyou.
Whenyouworryaboutneedingsleepandtwistaroundtryingtofindacomfortableposition,you’reprobablyonlymakingitmoredifficulttorelax.
Youmayalsohavesomebadhabitsthatcontributetotheproblem.Doyourestfrequentlyduringtheday?
Doyouthinkaboutsleepingalot,orsleepinglateonweekends?
Anyorallofthesefactorsmightbeleadingtoyourinsomniabydisruptingyourbody’snaturalrhythms.
Whatshouldyoudothenonthosesleeplessnights?
Don’tbotherwithsleepingpills;theycanactuallycauseworseinsomnialater.Thebestthingtodoistodrinkmilkoreatcheeseortunafish.Theyareallrichinanaminoacidthathelpsproduceinthebrainaneurotransmitterthatinducessleep.Thisneurotransmitterwillhelpyourelax,andyou’llbeonthewaytogettingagoodnight’ssleep.
1).Whatisthepurposeofthearticle?
A.tomakerecommendationonsensibledieting.
B.toreportthelatestadvancesinbrainsurgery.
C.
torelateanexperimentcombiningsleepandexercise.
D.
toadviseonwaysofdealingwithsleepdifficulties.
正确答案:
D
2).Accordingtothewriter,whathappenswhenyouturnandtwisttogetcomfortable?
A.Yourheartrateislowered.
B.
Itbecomeshardertorelax.
C.Youbecometootiredtosleep.
D.
Sleeprhythmsaredisrupted.
正确答案:
B
3).Accordingtotheauthor,whatsometimescausespeopletohavetroublesleeping?
A.
Failuretorestduringtheday.
B.Lackofsleeponweekends.
C.Vigorousexerciseintheevening.
D.
Eatingcheesebeforegoingtobed.
正确答案:
C
4).Whatdoesthewritersayaboutsleepingpills?
A.
Theymighteventuallycauseyoutolosesleep.
B.Theyhelpproduceaneurotransmitterinthebrain.
C.
Youmustnotdrinkmilkifyoutakethem.
D.
Theymakeitunnecessarytotakenaps.
正确答案:
A
5).Whichofthefollowingisnotabadhabitthatcontributestoinsomnia?
A.
Sleepingalotonweekends.
B.
Lackofexercise.
C.Drinkingmilk.
D.
Takingsleepingpills.
正确答案:
C
2.
FranklinD.Roosevelt,the32ndpresidentoftheUnitedStates,wasfromawealthy,well-knownfamily.Asachild,heattendedprivateschool,hadprivatetutors,andtraveledwithhisparentstoEurope.HeattendedHarvardUniversity,andafterwardstudiedlaw.Atage39Rooseveltsuddenlydevelopedpolio,adiseasethatlefthimwithoutthefulluseofhislegsfortherestofhislife.Eventhroughtheworstofhisillness,however,hecontinuedhislifeinpolitics.In1924heappearedattheDemocraticNationalConventiontonominateAlSmithforpresident,andeightyearsafterthathehimselfwasnominatedforthesameoffice.RooseveltwaselectedtothepresidencyduringtheGreatDepressionofthe1930s,atatimewhenmorethan5,000bankshadfailedandthousandsofpeoplewereoutofwork.Roosevelttookaction.Firsthedeclaredabankholidaythatclosedallthebankssonomorecouldfail;thenhereopenedthebankslittlebylittlewithgovernmentsupport.Rooseveltbelievedinusingthefullpowerofgovernmenttohelpwhathecalledthe“forgottenpeople”.Anditwastheseworkers,thewageearners,whofeltthestrongestaffectiontowardRoosevelt.Therewereothers,however,whofeltthatRoosevelt’spoliciesweredestroyingtheAmericansystemofgovernment,andtheyopposedhiminthesameintensewaythatothersadmiredhim.
In1940theDemocratsnominatedRooseveltforanunprecedentedthirdterm.NopresidentinAmericanhistoryhadeverservedthreeterms,butRooseveltfeltanobligationnottoquitwhiletheUnitedStates’entryintoWorldWarIIwasloominginthefuture.Heacceptedthenominationandwentontoaneasyvictory.
1).Whatdoesthepassagemainlydiscuss?
A.politicalaspectsofRoosevelt’slife
B.
problemsduringtheGreatDepression
C.Roosevelt’supbringing
D.
criticismsofRoosevelt’sactions
正确答案:
A
2).Asusedinline10,thephrase“littlebylittle”meansthatRoosevelt
A.
openedthesmallerbanksfirst
B.openedthebanksforminimalservices
C.
openedthebanksafewatatime
D.
openedthebankforashorttime
正确答案:
C
3).WhichofthefollowingstatementsinNOTmentionedinthepassage?
A.
RooseveltwaselectedduringtheGreatDepression
B.
RooseveltvotedforAlSmith
C.
Roosevelthaddifficultywalkingduringhispresidency
D.Rooseveltsupportedstronggovernment
正确答案:
B
4).Theword“affection”asusedinline12couldbestbereplacedbywhichofthefollowing?
A.
fascination
B.fondness
C.
lure
D.
appeal
正确答案:
B
5).Theword“unprecedented”inline15couldbestbereplacedby
A.
unimportant
B.unheardof
C.
unjustified
D.unhampered
正确答案:
B
3.
MartinLutherKing,Jr.,iswellknownforhisworkincivilrightsandforhismanyfamousspeeches.Amongthemhismoving“Ihaveadream”speech.ButfewerpeopleknowmuchaboutKing’schildhood.M.L.,ashewascalled,wasbornin1929inAtlanta,Georgia,atthehomeofhismaternalgrandfather.M.L.’sgrandfather,theReverendA.D.Williams,purchasedtheirhomeonAuburnAvenuein1909.twentyyearsbeforeM.L.wasborn.TheReverendWilliams,aneloquentspeaker,playedanimportantroleinthecommunitysincesomanypeople’slivescenteredaroundthechurch.Heallowedhischurchandhishometobeusedasameetingplaceforanumberoforganizationsdedicatedtotheeducationandsocialadvancementofblacks.M.L.grewupinthisatmosphere,withhishomebeingusedasacommunitygatheringplace,andwasnodoubtinfluencedbyit.
M.L.’schildhoodwasnotespeciallyeventful.Hisfatherwasaministerandhismotherwasamusician.Hewasthesecondofthreechildren,andheattendedall-blackschoolsinablackneighborhood.Theneighborhoodwasnotpoor,however.AuburnAvenuewasthemainarterythroughaprosperousneighborhoodthathadcometosymbolizeachievementforAtlanta’sblackpeople.Itwasanareaofbanks,insurancecompanies,builders,jewelers,tailors,doctors,lawyers,andotherblack-ownedofblack-operatedbusinessesandservices.EveninthefaceofAtlanta’ssegregation,thedistinctthrived.Dr.Kingneverforgotthecommunityspirithehadknownasachild,nordidheforgettheracialprejudicethatwasaseeminglyinsurmountablebarrierthatkeptblackAtlantansfromminglingwithwhites.
1).Whatisthispassagemainlyabout?
A.
theprejudicethatexistedinAtlanta
B.
MartinLutherKing’schildhood
C.
M.L.’sgrandfather
D.
theneighborhoodKinggrewup
正确答案:
B
2).Accordingtotheauthor,Kingwasinfluencedby
A.
communityspirit
B.
blacklawyers
C.
hismother
D.
hisspeeches
正确答案:
A
3).Asusedinline10,theword“eventful”isclosestinmeaningtowhichofthefollowing?
A.valued
B.memorable
C.
admirable
D.emotional
正确答案:
B
4).Accordingtotheauthor,M.L.
A.
hadadifficultchildhood
B.
wasagoodmusicianasachild
C.
lovedtolistentohisgrandfatherspeak
D.
grewupinarelativelyrichareaofAtlanta
正确答案:
D
5).Accordingtotheauthor,blacksinKing’sneighborhoodwereinvolvedinallthefollowingbusinessandservicesEXCEPT
A.
dentistry
B.medicine
C.law
D.
banking
正确答案:
B
4.
Carbohydrates,whicharesugars,areanessentialpartofahealthydiet.Theyprovidedthemainsourceofenergyforthebody,andtheyalsofunctiontoflavorandsweetenfoods.Carbohydratesrangefromsimplesugarslikeglucosetocomplexsugarssuchasamyloseandamylopection.Nutritionistsestimatethatcarbohydratesshouldmakeupaboutone-fourthtoone-fifthofaperson’sdiet.Thistranslatestoabout75-100gramsofcarbohydratesperday.
Adietthatisdeficientincarbohydratescanhaveanadverseeffectonaperson’shealth.Whenthebodylacksasufficientamountofcarbohydratesitmustthenuseitsproteinsuppliesforenergy,aprocesscalledgluconeogenesis.This,however,resultsinalackofnecessaryprotein,andfurtherhealthdifficultiesmayoccur.Alackofcarbohydratescanalsoleadtoketosis,abuild-upofketonesinthebodythatcausesfatigue,lethargyandbadbreath.
1).What’sthemainideaofthispassage?
A.
carbohydratesareneededforgoodhealth
B.carbohydratespreventabuild-upofproteins.
C.
carbohydratescanleadtoketosis
D.
carbohydratesareanexpendablepartofagooddiet
正确答案:
A
2).Accordingtothepassage,whichofthefollowingdoesNOTdescribecarbohydrates?
A.
aproteinsupply
B.
anecessity
C.
arangeofsugars
D.
anenergysource
正确答案:
A
3).Theword“lack”inline9ismostsimilartowhichofthefollowing?
A.
plethora
B.
shortage
C.
derivation
D.
commission
正确答案:
B
4).Whichofthefollowingbestdescribetheauthor’stone?
A.
sensitive
B.emotional
C.informative
D.
regretful
正确答案:
C
5).Whichofthefollowingbestdescribestheorganizationofthispassage?
A.
causeandresult
B.comparisonandcontrast
C.
specifictogeneral
D.
definitionandexample
正确答案:
B
5.
Alzheimer’sdiseaseimpairsaperson’sabilitytorecallmemories,bothdistantandasrecentasafewhoursbefore.Althoughthereisnotyetacurefortheillness,theremaybehopeforacurewithaproteincallednervegrowthfactor.TheproteinisproducedbynervecellsinthesameregionofthebrainwhereAlzheimer’soccurs.Basedonthisrelationship,scientistsfromtheUniversityofLundinSwedenandtheUniversityofCaliforniaatSanDiegodesignedanexperimenttotestwhetherdosesofnervegrowthfactorcouldreversetheeffectsofmemorylosscausedbyAlzheimer’s.Usingagroupofratswithimpairedmemory,thescientistsgavehalfoftheratsdosesofnervegrowthfactorwhilegivingtheotherhalfablood
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