专家提醒:写好英语作文的关键是套用句型,背诵大量范文,达到熟悉这些地道的句子结构!建议你背诵这篇英语作文Chapter 2 文章中间主体内容句型，并提取其中的关键句型，活用到你的作文中去，就可以获得高分！www.hxen.com一 原因结果分析iwE
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3-1-1. 基本原因 --- 分析某事物时, 用此句型说明其基本的或者多方面的原因.iwE
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[1]. Why ... ? For one thing.. For another ...iwE
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[2]. The answer to this problem involves many factors. For one thing...iwE
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For another...... Still another ...iwE
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[3]. A number of factors , both physical and psychological affect ....iwE
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/both individual and social contribute to ....iwE
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3-1-2 另一原因 -------- 在分析了基本原因之后, 再补充一个次要的或者更重要时用!iwE
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[1]. Another important factor is ....iwE
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[2]. ... is also responsible for the change/problem.iwE
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[3]. Certainly , the ... is not the sole reason for .....iwE
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3-1-3 后果影响 --------- 分析某事物可能造成的后果或者带来的影响 .iwE
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[1]. It will produce a profound/far-reaching effect/impact on....iwE
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[2]. In involves some serious consequence for ........iwE
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二 比较对照句型iwE
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3-2-1. 两者比较 --- 比较两事物, 要说出其一超过另一个, 或肯定一事物的优点, 也肯定其缺点的时候用 !iwE
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[1]. The advantages gained from A are much greater than the advantagesiwE
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we gain from B.iwE
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[2]. Indeed, A carries much weight when compared with B.iwE
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[3]. There is no doubt that it has its negative effects as well asiwE
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positive effects.iwE
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3-2-2 . 两者相同/相似 ------ 比较两事物共同都有或者共同都没有的特点时用!iwE
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[1]. A and B have several things in common.iwE
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They are similar in that.....iwE
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[2]. A bears some striking resemblances to B.