新六级选词快速作文汇总.docx
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新六级选词快速作文汇总.docx
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新六级选词快速作文汇总
选词填空
1.
Anovelwayofmakingcomputermemories,usingbacteria FORhalfacentury,the
(1)__________ofprogressinthecomputerindustryhasbeentodomorewithless.
Moore'slawfamouslyobservesthatthenumberoftransistorswhichcanbecrammedintoagivenspace
(2)__________every18months.
Theamountofdatathatcanbestoredhasgrownatasimilarrate.
Yetas(3)__________getsmaller,makingthemgetsharderandmoreexpensive.
OnMay10thPaulOtellini,thebossofIntel,abigAmericanchipmaker,putthepriceofanewchipfactoryataround$10billion.
HappilyforthosethatlackIntel'sresources,theremaybeacheaperoption—namelytomimicMotherNature,
whohasbeenbuildingtiny(4)__________,intheformoflivingcellsandtheircomponents,forbillionsofyears,andhasthusgotrathergoodatit.
ApaperpublishedinSmall,ananotechnologyjournal,setsoutthelatestexampleofthe(5)__________.
Init,agroupofresearchersledbySarahStanilandattheUniversityofLeeds,inBritain,describeusingnaturallyoccurringproteinstomakearraysoftinymagnets,
similartothoseemployedtostoreinformationindiskdrives.
Theresearcherstooktheir(6)__________fromMagnetospirillummagneticum,abacteriumthatissensitivetotheEarth'smagneticfieldthankstothepresencewithinitscellsofflecksofmagnetite,aformofironoxide.
Previousworkhasisolatedtheproteinthatmakestheseminiaturecompasses.Usinggeneticengineering,theteammanagedtopersuadeadifferentbacterium—Escherichiacoli,aubiquitouscritterthatisaworkhorseofbiotechnology—to(7)__________thisproteininbulk.
Next,theyimprintedablockofgoldwithamicroscopicchessboardpatternofchemicals.
Halfthesquarescontainedanchoringpointsfortheprotein.
Theotherhalfwereleftuntreatedascontrols.
Theythendippedthegoldintoasolutioncontainingtheprotein,allowingittobindtothetreatedsquares,anddunkedthewholelotintoaheated(8)__________ofironsalts.
Afterthat,theyexaminedtheresultswithanelectronmicroscope.
Sureenough,groupsofmagnetitegrainshadmaterialisedonthetreatedsquares,shepherdedintoplacebythebacterialprotein.
Inprinciple,eachofthesemagneticdomainscouldstoretheoneorthezeroofabitofinformation,accordingtohowitwaspolarised.
Gettingfromtheretoarealcomputermemorywouldbealongroad.
Forastart,thegrainsofmagnetitearenotstrongenoughmagnetstomakeausefulmemory,andthesizeofeachdomainishugebymoderncomputing(9)__________.
ButDrStanilandreckonsthat,withenoughtweaking,bothoftheseobjectionscouldbedealtwith.
The(10)__________ofthisapproachisthatitmightnotbesocapital-intensiveasbuildingafab.
Growingthingsdoesnotneedasmuchkitasmakingthem.
Ifthetweakingcouldbedone,therefore,theresultmightgivethewordbiotechnologyawholenewmeaning.
A)components
B)advantage
C)standards
D)compliments
E)essence
F)inspiration
G)disadvantage
H)doubles
I)solution
J)resolution
K)devices
L)manufacture
M)spirit
N)product
O)technique
2.
NicejuicyApple
ALTHOUGHheisstill
(1)__________thingsupatDell,anailingcomputer-maker,CarlIcahnhasfoundtimetotiltatanothertechtitan.OnAugust13ththeveteranshareholderactivist
(2)__________thathehadbuiltupastakeinApple,thoughhestayedmumaboutexactlyhowmanyshareshehadbought.MrIcahn’sintentions,however,arecrystalclear:
hewantstheconsumer-electronicsbehemothtoexpandplanstoreturnsomeofitswhopping$147billionofcashandmarketablesecuritiestoshareholders.
MrIcahnisalsoaftermoremoneyatDell,wherehehasbeenlobbyingwithalliesagainsta(3)__________buy-outplanputforwardbyMichaelDell,thefirm’sfounder,andSilverLake,aprivate-equityfirm.Hispressinghasalreadyforcedthebuy-outgrouptoraiseitsinitialofferbyover$350m,to$24.8billionandhehastakenhis(4)__________tothecourtsinabidtoextractanevenhigherprice.
Othertechfirmshavebeenattractingtheattentionofactivistinvestorstoo.EarlierthisyearValueActCapital,aninvestmentfund,saidithadbuiltupa$2billionstakeinMicrosoft.JaguarFinancial,aCanadianbank,hasbeen(5)__________freshthinkingattroubledBlackBerry,whichannouncedonAugust12ththatitisexploringvarious(6)__________options,includingalliancesandapossiblesale.AndElliottManagement,ahedgefund,hasbeenlobbyingforchangeatNetApp,adata-storagefirmthatitthinkscoulddomoretoimprovereturnsto(7)__________.
Onereasontechfirmshavefoundthemselvesinactivists’crosshairsisthat,likeApple,somebuiltupbigcashpilesduringtheeconomicdownturnandhavebeenslowtousethemoney.Financiershopetogetthemtoloosentheirpurse-stringsfasterandtopocketsomeofthecash.MrIcahnwantsAppletoincreaseand(8)__________asharebuy-backprogrammethatiscurrentlysettoreturn$60billiontoshareholdersbytheendof2015.
Anotherreasonthattechfirmsmaketemptingtargetsforshareholderactivistsisthatswiftchangesintechnologiescantripupeventhemightiest.WitnessthecaseofMicrosoft,whichruledtheroostduringthepersonal-computererabuthasstruggledtoadapttoaworldinwhichtabletsandsmartphonesarealltherage.Investorshopetomintmoneybypushingcompaniestochangemorerapidlyinresponsetosuchupheavalsintheirmarkets.
Therewardscanbesubstantial.EggedonbyThirdPoint,anactivisthedgefund,Yahoo(9)__________MarissaMayerasitsnewchiefexecutiveinJuly2012.Bythetimeshecelebratedayearinthejoblastmonth,thetroubledwebgiant’ssharepricehadrisenbyover70%.InJulythehedgefundsoldabigchunkofsharesbacktoYahoo.MrIcahnthinksApple’sshareprice,whichclosedat$499onAugust14th,couldsoartooifthefirmfollowshisadviceonbuy-backs.Hetweetedthisweekthathehadhada“nice(10)__________”withTimCook,Apple’sboss,abouthisidea,thoughhedidnotsaywhatMrCookthoughtofit.IfAppledragsitsfeet,expectthingstoturnnasty.
A)shareholders
B)strategic
C)communication
D)battle
E)conversation
F)encouraging
G)exciting
H)stirring
I)appointed
J)race
K)revealed
L)method
M)accelerate
N)proposed
3.
Itisn'tjustthebeerthat
(1)__________tobeerbellies.Itcouldalsobetheextracalories,fatandunhealthyeatingchoicesthatmaycomewith
(2)__________drinking.
Arecentstudyfoundthatmenconsumean(3)__________433calories(equivalenttoaMcDonald'sdoublecheeseburger)ondaystheydrinkamoderateamountofalcohol.About61%ofthecaloricincreasecomesfromthealcoholitself.Menalsoreporteatinghigheramountsofsaturatedfatsandmeat,andlessfruitandmilk,onthosedaysthanondayswhentheyaren'tdrinking,thestudyshowed.
Womenfaredabitbetter,takinginanextra300caloriesonmoderate-drinkingdays,fromthealcoholandeatingfattierfoods.Butwomen'sincreaseincaloriesfromadditionaleatingwasn'tstatisticallysignificant,thestudysaid.
'Menandwomenatelesshealthilyondaystheydrankalcohol,'saidRosalindBreslow,anepidemiologistwiththefederalNationalInstituteonAlcoholAbuseandAlcoholismandleadauthorofthestudy.'Poorerfoodchoicesondrinkingdayshavepublic-health(4)__________,'shesaid.
Thefindingsdovetailwithcontrolledlabstudiesinwhich(5)__________generallyeatmorefoodafterconsumingalcohol.Researcherssuggestthatalcoholmayenhance'theshort-termrewardingeffects'ofconsumingfood,accordingtoa2010reportinthejournalPhysiology&Behaviorthatreviewedpreviousstudiesonalcohol,appetiteandobesity.
Butotherstudieshavepointedtoadifferenttrend.Moderatedrinkersgainlessweightovertimethaneitherheavydrinkersorpeoplewhoabstainfromalcohol,particularlywomen,thisresearchhasshown.Moderatedrinkingis(6)__________havingabouttwodrinksadayformenandoneforwomen.
'Peoplewhogaintheleastweightaremoderatedrinkers,regardlessof[alcoholic]beveragechoice,'saidEricRimm,anassociateprofessorofepidemiologyandnutritionatHarvardMedicalSchoolandchairmanofthe2010reviewofalcoholinthefederaldietary(7)__________.Theweight-gaindifferenceismodest,and'startingtodrinkisnotaweight-lossdiet,'hesaid.
Thevariousresearcheffortsformpartofalong-standing(8)__________abouthowalcoholaffectspeople'sappetites,weightandoverallhealth.Researcherssaytherearen'tsimpleanswers,andsuggestthatindividuals'metabolism,drinkingpatternsandgendermayplayarole.
Alcoholis'arealwildcardwhenitcomestoweightmanagement,'saidKarenMiller-Kovach,chiefscientificofficerofWeightWatchersInternational.Atsevencaloriespergram,alcoholisclosertofatthantocarbohydrateorproteinincaloriccontent,shesaid.Alcoholtendstolowerrestraint,shenotes,causingapersontobecomemore(9)__________withwhatthey'reeating.
Researchbolsteringtheroleofmoderatedrinkinginhelpingtocontrolweightgainwaspublishedin2004inthejournalObesityResearch.Thatstudyfollowednearly50,000womenovereightyears.Anearlierstudy,publishedintheAmericanJournalofEpidemiologyin1994,followedmorethan7,000peoplefor10yearsandfoundthatmoderatedrinkersgainedlessweightthannondrinkers.Studiescomparingchangesinwaistcircumferenceamongdifferentgroupshaveyieldedsimilarresults.
Dr.Rimmsaiditisn'tclearwhymoderatedrinkingmaybe(10)__________agains
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