1．20世纪90年代以来,大批民工流入沿海大城市

　　2．民工对城市的建设所做的贡献

　　3．民工的大量流入可能带来的问题

　　(1Theearly-1990sfindsanunprecedentedtideofruralworkersfloodingintobigcitiessuchasShanghai,Guangzhou,andBeijing.(2)Accordingtoarecentsurvey,inShanghaialonetherearemorethan2.5millionmigrantworkers.

　　(3)Thereisanambivalentfeelingtowardsruralworkers.(4)Noonedeniestheimportantcontributionruralworkershavemadetotheurbandevelopment.(5)Theyhavedonemostofdirty,dangerousandunderpaidjobsinheavyindustries,constructionsitesandotherfieldsthatcityresidentsareunwillingtoenter.(6)Theyhavebecomeanindispensablepartofurbanlifetoapointwherethemachineryofacityconnotoperatewithoutthosecogs,thoughsmallandunnoticed.(7)Yetananti-migrantattituderunsconsistentlythroughthemainstreamofurbanconsciousness.(8)Cityresidentscomplainthatmigrantworkershaveworsenedtrafficandsanitationproblemsandhavethreatenedtotakealreadyscarceurbanjobs.(9)Theyalsoblamethemforthesharpriseintheurbancrimerate.

　　(10)Despitetheproblemsposedbymigrants,onethingiscertain:agrand,prosperousedificeofthecityisbasedontheworkofmillionsofmigrantworkers.

　　Exercises:

　　TV:ABlessingoraCurse

　　1．电视已成为人们生活中不可缺少的东西

　　2．电视给人们带来的是福是祸

　　3．我的看法

　　MyViewontheConstructionoftheThreeGorgesDam

　　1．三峡工程的优点

　　2．三峡工程的缺点

　　3．我的看法

　　ProspectoftheNewAgeofScienceandTechnology

　　1．新世纪的科技发展迅速

　　2．新科技对社会产生的影响

　　1．我的看法