从应考方面而言，在接触一个新托福独立写作的题目时，我们必须要掌握的是文章的结构。严谨的结构对观点的表达有事半功倍的作用。ETS公布的185题库的题目和近几年的托福网考考题，除了话题上的共性外，在问题模式上和雅思议论文一样，可以归为固定的几类问题模式：描述解释型比较对比型二选一型I描述解释型1概念判断判断一道作文题是否属于“描述解释型”，可以看题目是是否包含下列词汇：describeexplai
ide
tifywhyreaso
causewhathow等。如：1独立写作185题库21题。一下括号中的题号均为ETS同一题库的题号I
ge
eralpeoplearelivi
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owDiscussthecausesofthisphe
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youra
swer2对应结构分析由上述三道题目中关键词causeswhywhat，我们可以判断它们属于“描述解释型”题目。那么此种问题模式所对应的文章结构安排如下：第一段：引言1背景陈述2给出主题陈述第二段：讨论话题第一点1分论点一段落主题句
f2例证一论证过程第三段：讨论话题第二点1分论点二段落主题句2例证二论证过程第四段：讨论话题第一点1分论点三段落主题句2例证三论证过程第五段：结论1复述主题陈述2总结几个分论点对应的英文文章结构如下所示：Paragraph1I
troductio
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threeQualitythreeTopicSe
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Restateme
toftheBody根据上述结构，给刚刚列举的三道题目中的第一题列出下列提纲：原创范例21题：I
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geofhealthrelatedhabits原创范例168题：I
troductio
Severalfactorsarethoughttobetheesse
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