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雅思写作一直是雅思考生需要攻克的难题。那么通关秘笈是什么?很显然，雅思写作模板的时代已经过去了。“英文写作逻辑和衔接”才是那条通往罗马的必经之路。参照雅思官方发布的评分标准，不难看出雅思对英文写作逻辑的重视：“逻辑与衔接”(Coherence and Cohesion)为四项写作评分原则之一。
以6分的标准为例，写作评分标准中对“逻辑与衔接”是这样描述的：
arranges information and ideas coherently and there is a clear overall progression (连贯地组织信息及论点，总体来说，能清晰地推进行文发展);
uses cohesive devices effectively, but cohesion within and/or between sentences may be faulty or mechanical (有效地使用衔接手段，但句内及/或句间的衔接有时有误或过于机械)
所谓“清晰的推进行文发展”，至少要做到文章中使用到准确、有效的逻辑连词(logical conjunction) 又名信号词。信号词对于文章过程的连贯起到了作用,它也是英语写作中众多过渡手段之一。雅思写作中常用到的逻辑连词按照分类如下10类：
(1)表示递进：and, also, too, in addition, moreover, besides ,furthermore, not only… but also…, along with, next, what’s more.
(2)表示时间: after, before, soon, when, until, during, immediately, then.
(3)表示举例: for example, for instance, such as, that is, in other words, in fact.
(4)表示相同即第二个观点在某些方面和第一个观点相似：Like, as, similarly, in the some way, as well, too, equally, likewise.
(5)表示不同，即观点和我们所期望的观点不同(读者需要对下一句的意思转换做好准备)：Unlike, in contrast withto, whereas, on the contrary, on the other hand, instead, but, however, yet, although, nevertheless, even though, in spite of, despite, rather than.
(6)表示因果：since, because, due to, owing to, for, as, because of, on account of, as a result, therefore, thus, hence, so, consequently, so…that.
(7)表示目的：in order to, in the hope that, so as to, so that.
(8)表示总结 in conclusion, on the whole, to conclude, to sum up, finally, at last.
(9)表示顺序：first, then, next, after that, finally, last of all, still, soon, later, initially.
(10)表示条件：if, unless, on condition that, as long as, in case, suppose.
这些起桥梁作用的过渡词语(Transitional WordsPhrases) 把文章有条理的衔接起来，使整篇文章流畅自然、语义连贯。
然而，这些看似简单的词语，在实际写作中却不容易掌握。根据近几年学生作文的情况来看，大部分学生都开始有意识的使用连接词来达到语篇的逻辑连贯，但在使用上仍存在问题。下面我们
