托福作文开头套句：
Whenitesto...，somethink...
Thereisapublicdebatetodaythat...
Aisamonwayof...，butisitawiseone?
Recentlytheproblemhasbeenbroughtsintosfocus.
提出观点：
Nowthereisagrowingawarenessthat...
Itistimeweexplorethetruthof...
Nowhereinhistoryhastheissuebeenmorevisible.
进一步提出观点：
...butthatistheonlypartofthehistory.
Anotherequallyimportantaspectis...
Aisbutoneofthemanyeffects.Anotheris...
Besides，otherreasonsare...
提出假想例子的方式：
Supposethat...
Justimaginewhatwouldbelikeif...
Itisreasonabletoexpect...
Itisnotsurprisingthat...
举普通例子：
Forexample(instance)，...
...suchasA，B，Candsoon(soforth)
Agoodcaseinpointis...
Aparticularexampleforthisis...
引用：
Oneofthegreatestearlywriterssaid...
"Knowledgeispower"，suchistheremarkof...
"...".Thatishowsbment(criticize/praise...).
"...".Howoftenwehearsuchwordslikethere.
讲故事(先说故事主体)，thisstoryisnotrare
...，suchdilemmaweoftenmeetindailylife
...，thestorystillhasarealisticsignificance.
提出原因：
Therearemanyreasonsfor...
Why...，foronething，...
Theanswertothisprobleminvolvesmanyfactors.
Anydiscussionaboutthisproblemwould
