大学英语4课后答案,大学英语4课后练习答案.pdf

大学英语4课后答案，大学英语4课后练习

答案

2022大学英语4课后答案，大学英语4课后练习答案正文内容

Unit4

SectionA.TheTelecommunicationsRevolution

《读写教程IV》：Ex.II,p.95

1.Thelivinstandardsinthedevelopinworldwillbereatlyimproved.

2.Theauthorreferstothoseplaceswithouttelecommunications

facilitiessuchastelephones,whichhindersexchaneofinformation.

3.Becauseadvancedcommunicationsandsubsequentwidespreadaccessto

informationtechnoloiesenablethedevelopinreionstoshortenthe

processofchaninfromlabor-intensiveassemblyworktoindustriesthat

involveenineerin,marketinanddesin.

4.Becausetheybelieveitisinbadneedofanyphonesanditlacks

experienceinweihincostsandchoosinbetweentechnoloies.

5.First,itsolda30%stakeinitsnationalphonecompanytotwoWestern

companiestoquickentheimportofWesterntechnoloy.Second,ithad

leasedrihtstoaDutch-Scandinavianroupofcompaniestobuildand

operateanadvanceddiitalmobilephonesystem.

6.Wireless.Foritscheapertobuildradiotowersthantostrinlines

acrossmountainridesanditisareliableservice.

7.Becausecustomerstheretalktwotofourtimesaslononthephone

aspeopleinNorthAmerica.

8.Becausemobilephonesmakeitpossibleforthemtokeepcontactwith

eachotherevenwhentheyarecauhtinthetrafficjams.

《读写教程IV》：Ex.TTT,p.95

1.recession

2.disposal

3.condensed

4.strateic

5.revenue

6.persist

7.utilities

8.desperate

《读写教程IV》：Ex.IV,p.96

.lagsfarbehind

2.arestuckwith

3.goingfor

4.remainincontact

5.keeppacewith

6.atyourdisposal

7.datesfrom

8.onlyscratchthesurfaceof

《读写教程IV》：Ex.V,p.96

.sales

2.health

3.will

4.trade

5.education

2.auto