说明：这些基础句型，希望大家结合例句都看一遍，确实比较简单但是主题段论证的时候也很常用。
前进类（用来论证advantage好的方面）
1、benefitfrom从……当中获益
例句：Peoplewholookforinformationcanbenefitfromtheamazingdevelopmentoftheinternet.
2、investin对……投资
例句：Themedicalfacilitiesintheruralareaarestillnotverydeveloped;
therefore,thegovernmentshouldinvestmoremoneyinthesefacilities.
3、promotethedevelopmentof促进……的发展
例句：ThewidespreaduseofEnglishhaspromotedthedevelopmentofEnglishtrainingschoolsinChina.
4、Itisobviousthat……显而易见
例句：ItisobviousthataDVDcanholdmoreinformationthanabook.Moreimportantly,itismoreentertaining.
5、playakeyrolein在……中起关键作用
例句：One`sjobandageplayakeyroleindecidingwhatonewears.
6、enrichone`sexperience….丰富……的生活
例句:Workingforaperiodbeforegoingtouniversitycangreatlyenrichstudents`experienceandmakethemmorecapableinuniversity.
7、keepsocietysafeandstable保持社会稳定
例句：Harmonycankeepsocietysafeandstablewhileclashesmakeacountryunlivable.
8、relaxtheirbodiesandeasetheirminds让人放松身心
例句：Eventhoughonholidaystudentsspendlesstimestudying,holidaysrelaxstudents`bodiesandeasetheirminds.
9、haveadutytodo...有责任做……
例句：Nationalsportsteamsrepresent(代表)theircountry;therefore,thegovernmenthasadutytoinvestintheseteams.
10、affordpeopleentertainmentandpleasure给人们提供娱乐
例句：Overallcomputergamesaffordpeoplemoreentertainmentandpleasurethantrouble.
11、createemploymentopportunities创作就业机会
例句：Advertisingmakesourshoppingexperiencelesstime-consumingandmoreeconomical.
13、broadenone`shorizons开阔人的眼界
例句：Notonlycantravelingbroadenone`shorizons,itcanrelaxone`sbodyandsoulaswell.
14、fulfillone`spotential发挥人的潜力
例句：Workingunderpressurecanhelpemployeesfulfilltheirpotential.
15、removethebarrierfor为……消除障碍
例句：Machinetranslationhasremovedthebarrierforpeoplewhodonotspeakthesamelanguage.
16、promotetheculturalcommunicationandinteractionbetween…and…
促进……和……之间的文化交流
例句：Multi-culturedsocietiespromotetheculturalcommunicationandinteractionbetweendifferentethnicgroups(民族).
17、curbtheproliferationof…控制……的扩散
例句：Thegovernmentshouldtakeimmediate(及时的)mersurestocurbtheproliferationofpollution.
18、raisepeople`sawarenessof…提高人们的意识
例句：Themediashouldraisethepublicawarenessofthesignificanceofpreservingtheecosystem.
19、hastheinherentadvantageof在……的在优势
例句：Teachingstudentsingroupshastheinherentadvantageofhelpingschoolstousetheirequipmentandfacilitiesmoreefficiently.
倒退类（用来论证disadvantage负面的方面）
1、liveastressfullife生活压力大
例句：Itseemsthatthepeopleindevelopingcountriesliveamorestressfullifethanthepeopleinindustrialcountries.
2、leadtocrimes导致犯罪
例句：ThewidespreadviolenceandpornographyonTVoftenleadtoyoungsters`crimes.
3、thecompetitionisstiff竞争激励
例句：Thecompetitioninmodernsocietyisincreasinglystiff,whichmakesmanypeoplecoldandcruel.
4、avoid…避免……
例句：Toavoidmakingmistakes,weshouldbeverycarefulinansweringIELTSquestions.
5、sufferfrom遭受……
例句：Nowadays,manycitizensofBeijingsufferfrommentalillnessesbecausethecompetitionisverystiff.