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电子商务英语年月真题
00888200510
1、【单选题】Thetimehascomeforthecompanyto_____afteryearofrapid
expansion.
consist
consider
A:
consolidate
B:
combine
C:
答D:案:C
2、【单选题】_____werenaturallyamusicalfamily.
Ashaw
TheShaws
A:
TheShaw
B:
Shaws
C:
答D:案:B
3、【单选题】Nothingcan_____beingunkindtochildren
adjust
reason
A:
justify
B:
reassure
C:
答D:案:C
4、【单选题】Thatkindofshoesare_____expensiveforme.
more
farmore
A:
fartoo
B:
much
C:
答D:案:C
5、【单选题】NexttimeI_____there,I'llaskthemaboutit.
willgo
havegone
A:
B:
amgoing
go
C:
答D:案:D
6、【单选题】Hiswife,towhomhe_____forthirtyyears,waschildless.
hasmarried
hasbeenmarried
A:
hadmarried
B:
hadbeenmarried
C:
答D:案:D
7、【单选题】Theyare_____amassproductionmovement.
firing
launching.
A:
introducing
B:
presenting
C:
答D:案:B
8、【单选题】ProfessorTare_____abouthim.
heardthestudentstotalk
heardthetalkbythestudents
A:
heardthestudentstalking
B:
heardthestudentstotalking
C:
答D:案:C
9、【单选题】_____someofthesuggestionsproveofvaluetoyouaswell?
Could
Can
A:
Might
B:
May
C:
答D:案:D
10、【单选题】Theresearchprojecthasonlybeenunderwayforthreemonths,so
it'stooearlyto_____itssuccess.
figure
consider
A:
B:
rate
evaluate
C:
答D:案:D
11、【单选题】Whatdoyouthinkofhismotionthatwe_____aplayatthe
Englishevening?
shouldputon
shallputon
A:
wouldputon
B:
willhaveputon
C:
答D:案:A
12、【单选题】WecanvisityourcompanyonMondayorTuesday,ourplansare
fairly_____
flexible
elastic
A:
supple
B:
compliant
C:
答D:案:A
13、【单选题】Nothingcanstopusnow,_____?
can'tit
canit
A:
couldit
B:
doesit
C:
答D:案:B
14、【单选题】Allofmyeffortsto_____peacefailed.
reserve
conserve
A:
persist
B:
preserve
C:
答D:案:D
15、【单选题】Iwasgreatlyshockedbytheway_____thingsweredonethere.
how
A:
that
as
B:
which
C:
答D:案:A
16、【单选题】Thereisa(n)_____betweenlogicandmetaphysics.
bargain
treaty
A:
compact
B:
alliance
C:
答D:案:D
17、【单选题】Neitherofthedriverswhoarebeingheldbythepolice_____whom
toblameforhistrouble.
know
knows
A:
toknow
B:
haveknown
C:
答D:案:B
18、【单选题】Allcitizensinthisnationare_____tothelaw.
subject
object
A:
exposed
B:
dependent
C:
答D:案:A
19、【单选题】Imadeupmymindthatundernocircumstances_____tosuch
principle.
couldn'tIagree
Icouldn'tagree
A:
Icouldagree
B:
couldIagree
C:
答D:案:D
20、【单选题】Einstein'snewtheoryonopticschanged_____scientificidea
aboutlight.
technical
original
A:
classical
B:
mechanical
C:
答D:案:C
21、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.21.
fastest
quickest
A:
most
B:
best
C:
答D:案:A
22、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.22.
when
while
A:
that
B:
as
C:
答D:案:C
23、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.23.
many
those
A:
more
B:
the
C:
答D:案:C
24、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.24.
of
with
A:
for
B:
in
C:
答D:案:C
25、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.25.
that
why
A:
reasonable
B:
because
C:
答D:案:D
26、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.26.
A
Other
A:
Theother
B:
Another
C:
答D:案:D
27、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.27.
Except
Exceptfor
A:
Besides
B:
Regardlessof
C:
答D:案:C
28、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.28.
matter
event
A:
thing
B:
occurrences
C:
答D:案:C
29、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.29.
of
that
A:
what
B:
when
C:
答D:案:D
30、【单选题】Joggingisbecomingoneofthe21_____growingactivitiesinthe
nation.Morepeoplearestartingjogeachyear.This,however,isarecent
occurrence.Itwasnotlongago22_____joggerswereraresight.Somepeople
thoughtthattheylookedquitestrange.As23_____peoplebeganjoggingthesight
ofthembecamemorecommon.Therearemanyreasons24_____apersontotakeup
jogging.First,itisagoodformofexercise.Thisis25_____itinvolvesthe
useofmanypartsofthebody.Theexercisingoftheheartisofgreat
benefit.Thisisoneofthemostimportantpartsofthehumanbody.Iftheheart
doesnotgettheneededexercise,seriousproblemscanoccur.26_____reasonfor
joggingisforenjoyment.27_____beinggoodforpeople,itcanalsobeverymuch
fun.Partofthefunofjoggingcomesfromtheopportunityitprovidesfor
meetingotherpeoplewhoenjoyit.One28_____thatshouldbeconsidered29_____
apersontakesupjoggingasaformofexerciseofenjoymentisthatitisnotfor
everyone.Peopleshouldfirstcheck,30_____theirdoctorsandbepreparedto
findanotherformofexerciseifjoggingisnotrecommended.30.
out
over
A:
on
B:
with
C:
答D:案:D
31、【单选题】Passage1Relaxationtherapy(=treatment).Ifyoureadthe
sentenceoutloud,yourbloodpressurewillgoup.Ifyoutalktoanotherperson,
itwillgostillhigher.Ifthetalkiswithyourboss,yourpressurewillgo
evenhigher.Ifyouspeaktosomeoneoftheoppositesex,yourpressuremayshow
lesschangeifyou'remarriedthanifyou'resingleDozensoftimeseachday,
yourbloodpressurechangeswithwhatyou'refeelinganddoing.These"upsand
downs"takeplaceineveryone,buttheyaremoresevereinpeoplewithhighblood
pressure.Thatdiscoveryisthebasisforthenewesttherapy:controllingblood
pressurebylearningskillstocontroleverydaystress.Manypatientscontrol
theirbloodpressurewiththerelaxationresponse.Thistakesfoursimplethings:
aquietenvironment,acomfortableposition(sittingorlyingdown),therepeating
ofaword,prayerorphraseeachtimeyoubreatheandhavingnoneofother
thoughtsSomethingremarkablehappenswhenyoudothis,accordingtoresearch
inBostonRelaxationofthemindandbodyhastheeffectthatsomeblood-
pressurepillswouldhaveWhat'smore,thebloodpressurestayslower,justasit
wouldwithapill,afteryouhavestoppedtherelaxationandhavereturnedto
thestressofdailylife.31.Thefirstparagraphtellsusthereasonwhyyour
bloodpressuregoesupisthat
youreadaloudasentence
themanyoutalktoisyourboss
A:
you'renotmarried
B:
you'renervous
C:
答D:案:D
32、【单选题】Passage1Relaxationtherapy(=treatment).Ifyoureadthe
sentenceoutloud,yourbloodpressurewillgoup.Ifyoutalktoanotherperson,
itwillgostillhigher.Ifthetalkiswithyourboss,yourpressurewillgo
evenhigher.Ifyouspeaktosomeoneoftheoppositesex,yourpressuremayshow
lesschangeifyou'remarriedthanifyou'resingleDozensoftimeseachday,
yourbloodpressurechangeswithwhatyou'refeelinganddoing.These"upsand
downs"takeplaceineveryone,buttheyaremoresevereinpeoplewithhighblood
pressure.Thatdiscoveryisthebasisforthenewesttherapy:controllingblood
pressurebylearningskillstocontroleverydaystress.Manypatientscontrol
theirbloodpressurewiththerelaxationresponse.Thistakesfoursimplethings:
aquietenvironment,acomfortableposition(sittingorlyingdown),therepeating
ofaword,prayerorphraseeachtimeyoubreatheandhavingnoneofother
thoughtsSomethingremarkablehappenswhenyoudothis,accordingtoresearch
inBostonRelaxationofthemindandbodyhastheeffectthatsomeblood-
pressurepillswouldhaveWhat'smore,thebloodpressurestayslower,justasit
wouldwithapill,afteryouhavestoppedtherelaxationandhavereturnedto
thestressofdailylife.32.Whichofthefollowingstatementsisnottrue?
One'sbloodpressurechangesmanytimeseveryday.
Yourbloodpressurechangeswithyourfeelings.
A:
Whenyou'redoingdifferentthings,yourbloodpressure,perhaps,isdifferent.
B:
Thechangesofbloodpressureonlyhappentopeoplewithhighbloodpressure.
C:
答D:案:D
33、【单选题】Passage1Relaxationtherapy(=treatment).Ifyoureadthe
sentenceoutloud,yourbloodpressurewillgoup.Ifyoutalktoanotherperson,
itwillgostillhigher.Ifthetalkiswithyourboss,yourpressurewillgo
evenhigher.Ifyouspeaktosomeoneoftheoppositesex,yourpressuremayshow
lesschangeifyou'remarriedthanifyou'resingleDozensoftimeseachday,
yourbloodpressurechangeswithwhatyou'refeelinganddoing.These"upsand
downs"takeplaceineveryone,buttheyaremoresevereinpeoplewithhighblood
pressure.Thatdiscoveryisthebasisforthenewesttherapy:controllingblood
pressurebylearningskillstocontroleverydaystress.Manypatientscontrol
theirbloodpressurewiththerelaxationresponse.Thistakesfoursimplethings:
aquietenvironment,acomfortableposition(sittingorlyingdown),therepeating
ofaword,prayerorphraseeachtimeyoubreatheandhavingnoneofother
thoughtsSomethingremarkablehappenswhenyoudothis,accordingtoresearch
inBostonRelaxationofthemindandbodyhastheeffectthatsomeblood-
pressurepillswouldhaveWhat'smore,thebloodpressurestayslower,justasit
wouldwithapill,afteryouhavestoppedtherelaxationandhavereturnedto
thestressofdailylife.33.Thelastparagraphtellsusrelaxationtherapy
needsanewkindofmedicine
hasthesameeffectasblood-pressurepills
A:
ismorethanblood-pressurepills
B:
isworkingandcanbeimproved
C:
答D:案:C
34、【单选题】Passage2Ifyoudonotfindtherequiredinformationusingthe
tipsfromtheprevioussection,thenyouneedtoconsultanonlineservicetofind
thepieceofinformationyouwerelookingfor.Threedifferenttypesofservices
havebeenestablishedovertheyears:crawlers,directoriesandmetasearch
engines.Thefirstcrawlerwascreatedbackin1993.ItwascalledtheWorld
WideWorm.Itcrawledfromonesitetothenextandindexedallpagesbysaving
thecontentofthewebpagesintoahugedatabase.Crawlersorspidersvisita
webpage,readit,andthenfollowlinkstootherpageswithinthesiteand
evenfollowlinkstoothersites.Webcrawlersreturntoeachsiteona
regularbasis,suchaseverymonthortwo,tolookforchanges.Everythinga
crawlerfindsgoesintoadatabase,whichpeopleareabletoquery.The
advantageofthewebcrawlersisthattheyhaveanextensivedatabasewithalmost
thecompleteInternetindexedinit.Thedisadvantageisthatyougetthousands
ofwebpagesasaresponseforalmostanyrequest.Webdirectoriesworka
littledifferently.Firstofalltheycontainastructuredtreeof
information.Allinformationenteredintothistreeiseitherenteredbythe
webmasterwhowantstoannouncehisnewwebpageorbythedirectorymaintainer
wholooksatthewebpagessubmitted.Thedirectorieswherewebmasterscansubmit
boththeURL(UniformResourceLocator)andthedescriptionnormallycontainmore
misleadinginformationGettingintomostwebdirectoriesisacombinationof
luckandquality.AlthoughanyoneisabletoSubmitawebpage,thereisno
guaranteethatacertainpagewillbeincluded.Somedirectorieschargefor
submission,whichisbasicallyarip—off.Somecrawlersmaintainanassociated
directory.Ifyoursiteisinthedirectory。therankingofyourwebsitenormally
willbehigher",asitisalreadypre—classified.Manydirectoriesworkwith
crawlerstogether,inordertodeliverresults,whennothingcanbefoundinthe
directory.MetasearchenginesdonothaveadatabasewithURLsand
descriptions.Insteadtheyhaveadatabaseofsearchengines.Ifyouenteryour
keywordsintoametasearchengineitwillsendoutrequeststoallthe
directoriesandcrawlersithasstoredinitsdatabase.Themetasearchengines
withamoresophisticatedapplicationinthebackgroundareabletodetectdouble
URLswhichcomebackfromthevarioussearchenginesandpresentonlyasingleURL
tothecustomer.34.Crawlerisakindof
worm
searchengine
A:
service
B:
directory
C:
答D:案:C
35、【单选题】Passage2Ifyoudonotfindtherequiredinformationusingthe
tipsfromtheprevioussection,thenyouneedtoconsultanonlineservicetofind
thepieceofinformationyouwerelookingfor.Threedifferenttypesofservices
havebeenestablishedovertheyears:crawlers,directoriesandmetasearch
engines.Thefirstcrawlerwascreatedbackin1993.ItwascalledtheWorld
WideWorm.Itcrawledfromonesitetothenextandindexedallpagesbysaving
thecontentofthewebpagesintoahugedatabase.Crawlersorspidersvisita
webpage,readit,andthenfollowlinkstootherpageswithinthesiteand
evenfollowlinkstoothersites.Webcrawlersreturntoeachsiteona
regularbasis,suchaseverymonthortwo,tolookforchanges.Everythinga
crawlerfindsgoesintoadatabase,whichpeopleareabletoquery.The
advantageofthewebcrawlersisthattheyhaveanextensivedatabasewithalmost
thecompleteInternetindexedinit.Thedisadvantageisthatyougetthousands
ofwebpagesasaresponseforalmostanyrequest.Webdirectoriesworka
littledifferently.Firstofalltheycontainastructuredtreeof
information.Allinformationenteredintothistreeiseitherenteredbythe
webmasterwhowantstoannouncehisnewwebpageorbythedirectorymaintainer
wholooksatthewebpagessubmitted.Thedirectorieswherewebmasterscansubmit
boththeURL(UniformResourceLocator)andthedescriptionnormallycontainmore
misleadinginformationGettingintomostwebdirectoriesisacombinationof
luckandquality.AlthoughanyoneisabletoSubmitawebpage,thereisno
guaranteethatacertainpagewillbeincluded.Somedirectorieschargefor
submission,whichisbasicallyarip—off.Somecrawlersmaintainanassociated
directory.Ifyoursiteisinthedirectory。therankingofyourwebsitenormally
willbehigher",asitisalreadypre—classified.Manydirectoriesworkwith
crawlerstogether,inordertodeliverresults,whennothingcanbefoundinthe
directory.MetasearchenginesdonothaveadatabasewithURLsand
descriptions.Insteadtheyhaveadatabaseofsearchengines.Ifyouenteryour
keywordsintoametasearchengineitwillsendoutrequeststoallthe
directoriesandcrawlersithasstoredinitsdatabase.Themetasearchengines
withamoresophisticatedapplicationinthebackgroundareabletodetectdouble
URLswhichcomebackfromthevarioussearchenginesandpresentonlyasingleURL
tothecustomer.35.ThedisadvantageofCrawleristhatit
providesacompletedatabase
takestoomuchtimetofindtheneededinformation
A:
providestoomuchuselessinformation
B:
givesresponsetoeveryquest
C:
答D:案:C
36、【单选题】Passage2Ifyoudonotfindtherequiredinformationusingthe
tipsfromtheprevioussection,thenyouneedtoconsultanonlineservicetofind
thepieceofinformationyouwerelookingfor.Threedifferenttypesofservices
havebeenestablishedovertheyears:crawlers,directoriesandmetasearch
engines.Thefirstcrawlerwascreatedbackin1993.ItwascalledtheWorld
WideWorm.Itcrawledfromonesitetothenextandindexedallpagesbysaving
thecontentofthewebpagesintoahugedatabase.Crawlersorspidersvisita
webpage,readit,andthenfollowlinkstootherpageswithinthesiteand
evenfollowlinkstoothersites.Webcrawlersreturntoeachsiteona
regularbasis,suchaseverymonthortwo,tolookforchanges.Everythinga
crawlerfindsgoesintoadatabase,whichpeopleareabletoquery.The
advantageofthewebcrawlersisthattheyhaveanextensivedatabasewithalmost
thecompleteInternetindexedinit.Thedisadvantageisthatyougetthousands
ofwebpagesasaresponseforalmostanyrequest.Webdirectoriesworka
littledifferently.Firstofalltheycontainastructuredtreeof
information.Allinformationenteredintothistreeiseitherenteredbythe
webmasterwhowantstoannouncehisnewwebpageorbythedirectorymaintainer
wholooksatthewebpagessubmitted.Thedirectorieswherewebmasterscansubmit
boththeURL(UniformResourceLocator)andthedescriptionnormallycontainmore
misleadinginformationGettingintomostwebdirectoriesisacombinationof
luckandquality.AlthoughanyoneisabletoSubmitawebpage,thereisno
guaranteethatacertainpagewillbeincluded.Somedirectorieschargefor
submission,whichisbasicallyarip—off.Somecrawlersmaintainanassociated
directory.Ifyoursiteisinthedirectory。therankingofyourwebsitenormally
willbehigher",asitisalreadypre—classified.Manydirectoriesworkwith
crawlerstogether,inordertodeliverresults,whennothingcanbefoundinthe
directory.MetasearchenginesdonothaveadatabasewithURLsand
descriptions.Insteadtheyhaveadatabaseofsearchengines.Ifyouenteryour
keywordsintoametase
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