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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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