一、常用句型一)原因1
Anumberoffactorsmightcontributeto(leadto)(accountfor)thephenomenon(problem)
Thechangein
largelyresultsfromthefactthat
Wemayblame
,buttherealcausesare
Anothercontributingfactor(cause)is
TheadvantagesofAaremuchgreaterthanthoseofB
Forallthedisadvantages,ithasitscompensatingadvantages
AandBhasseveralpointsincommon
Peopleusedtothink
,butthingsaredifferentnow
三)批驳1.Thereisagrainoftruthinthesestatements,buttheyignoreamoreimportantfact
2.Somepeoplesay
,butitdoesnotholdwater
3.Itmakesnosensetoarguefor
4.Toomuchstressplacedon
mayleadto
Itmaygiverisetoahostofproblems
Theimmediateresultitproducesis
Itwillexerciseaprofoundinfluenceupon
Itsconsequencecanbesogreatthat
五)举例1.Agoodcaseinpointis
2.Suchexamplesmightbegiveneasily
六)证明1.Noon