2-2后果性------揭示所讨论的问题若不解决,将产生的严重后果.

　　e.g:.wemustcallforanimmediatemethod,becausethecurrentphenomenonof...,ifallowedtoproceed,willsurelyleadtotheheavycostof.......

　　.obviously,ifweignore/areblindtotheproblem,thereiseverychancethat..willbeputindanger.

　　2-3号召性--------呼吁读者行动起来,采取行动或提请注意.

　　e.g:.itistimethatweurgedanimmediateendtotheundesirabletendencyof......

　　.itisessentialthateffectivemeasuresshouldbetakentocorrectthetendency.

　　2-4建议性--------对所讨论的问题提出建议性的意见,包括建议和具体的解决问题的方法.

　　e.g:.whileitcannotbesolvedimmediately,stillthereareways.themostpopularis....anothermethodis...stillanotheroneis.....

　　.awareness/recognitionoftheproblemisthefirststeptowardthesituation.

　　2-5方向性的结尾方式----其与建议性的唯一差别就是对问题解决提出总的,大体的方向或者指明前景.

　　e.g:.manysolutionsarebeingofferedhere,allofthemmakesomesense,butnoneisadequateenough.theproblemshouldberecognizedinawideway.

　　.thereisnoquickmethodtotheissueof..,but..mightbehelpful/beneficial.