4级选课系统需求分析

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1、一、提纲式作文1.对立观点式A.有人认为X是好事，赞成X,为什么？B.有人认为X是坏事，反对X,为什么？C.我的看法。SomepeopleareinfavoroftheideaofdoingX.Theypointoutthefactthat支持X的第一个原因。Theyalsoarguethat支持X的另一个原因。However,otherpeoplestandonadifferentground.TheyconsideritharmfultodoX.Theyfirmlypointoutthat反对X的第一个理由。Anexamplecangiv

2、ethedetailsofthisargument:—个例子。Thereissometruthinbotharguments.ButIthinktheadvantagesofXoverweighthedisadvantages.Inadditiontotheabove・mentionednegativeeffectsitmightbringabout,XalsomayX的有一个坏处。二、批驳观点式A.一个错误观点。B.我不同意。Manypeoplearguethat错误观点。Bysayingthat,theymean对这个观点的进一步解释。A

3、nexampletheyhavepresentedisthat一个例子。（AccordingtoasurveyperformedbyXonagroupofYalmost80%ofthem赞成这个错误观点或者受到这个错误观点的影响）。Theremightbesomeelementoftruthinthesepeople'sbelief.Butifweconsideritindepth,wewillfeelnoreservationtoconeludethat与错谋观点MH反的观点。Thereareanumberofreasonsbehindmy

4、belief.（以卜•参照辩论文的议论文写法）o三、社会问题（现象）式A.一个社会问题或者现象。B.产生的原因C.对社会和我们主活的影响D.如何杜绝。（如果是问题的话）E.前景的预测。Nowadays,thereexistsanincreasinglyserioussocial/economic/environmentalproblem.（Xhasincreasinglybecomeacommonconcernofthepublic）.Accordingtoasurvey,调查内容说明这种现象的情况（或者是一个例子）。Thereareacou

5、pleofreasonsboomingthisproblem/phenomenon.卜•面参照辩论式议论文的写法。Xhascausedsubstantialimpactonthesocietyandourdailylife,whichhasbeenarticulated（表达）inthefollowingaspects.参照辩论式议论文的写法。AdozenofmeasuresaresupposedtotaketopreventXfrombringingusmoreharm.参照辩论式议论文的写法。Basedontheabovediscussi

6、ons,Icaneasilyforecastthatmoreandmorepeoplewill图表式作文Itisobviousinthegraph/tablethattherate/number/amountofYhasundergonedramaticchanges・Ithasgoneup/grown/fallen/droppedconsiderablyinrecentyears（asXvaries）.Atthepointof（接近）X1,Yreachesitspeakvalueof…（多少）.Whatisthereasonforthisc

7、hange?Mainlythereare…（多少）reasonsbehindthesituationreflectedinthegraphic/table.Firstofall,•••（第——彳.原因）・Moreimportantly,…（第二个原因）.Mostimportantofall,•••（第三个原因）.Fromtheabovediscussions,wehaveenoughreasontopredictwhatwillhappeninthenearfuture・Thetrenddescribedinthegraph/tablewil

8、lcontinueforquitealongtime（ifnecessarymeasuresarenottaken括号里的使用于那些不A好的变化趋势）.辩论式议论文