在雅思写作的评分标准中，有很重要的一项叫做连贯与衔接 (Coherence and Cohesion)。连贯性指文章的流畅程度，文章的观点应该逻辑清楚，易于理解和把握。
　　而衔接性是指连接词的使用，这有助于整合观点并阐明段落、句子或句子成分之间的关系，是为了考察大家组织文章、衔接信息和观点的能力。
　　对于文章中的连接词一要避免重复，二要适当，不可强加逻辑关系，也不可过度使用，否则一样会影响成绩。
　　下面整理一下写作中常见逻辑关系的连接词使用前记得查找例句了解正确用法哦~
　　1 先后关系 at this time; first; second; at last; next; previously; simultaneously; eventually; last but not least; to begin with; to start with; to end with; finally; since then; first of all; afterwards; following this; preceding this; prior to this
　　2 因果关系 because; because of this; since; as; for; owing to; due to; for the reason that...; in view of; for such a reason; as a result of; therefore; consequently; as a result; thus; hence; so; so that...; in consequence; as a consequence; accordingly; inevitably; under these conditions
　　3 转折关系 but; even so; however; though; even though; independent of; reckless of ; despite that; in spite of that; regardless of; while...yet...; unless...
　　4 并列关系 and; also; too; as well as; either..., or...; both...and...; for one thing..., for another...; meanwhile; at the same time
　　5递进关系 furthermore; moreover; further; in this way; still; not only...but also...; not...but...; in addition (to); additionally, much more interesting; more specifically; next; besides; as far as... is concerned; moreover; in other words; on one hand...; on the other hand...; even; as a poplar saying goes...; in order to do it...; to make things better(worse); accordingly;
　　6 比较关系(相同点) similarly; in like manner, in comparison with; when compared with; compared with; when in fact...; like...; likewise; similarly important; apart from (doing)...; ... rather than..., by doing so ; both...and...; in the same way; not only...but (also)
　　7 对照关系(不同点) yet; still; for all of that; notwithstanding; rather; neither ... nor; although; though; but; however; something is just the other way around (另一种方式); yet; conversely; unlike; opposed to; as opposed to ; in contrast; by way of; on the contrary; different from this; nevertheless; contrary to; whereas; while
　　8举例关系 for example; for instance; in this case; namely; as you know; like; such as; a case in point is...; in particular; including...; put it simply; stated roughly; as an illustration; a good example would be...; to detail this, I would like to...; It is interesting to note that...; as proof; take the case of; take...as example; as for; as regards; according to; on this occasion.
　　9 强调关系 in fact; especially; particularly; moreover; naturally; what is particular; not to mention...; believe it or not; undeniably; it is certain/sure that...; by definition; definitely; undoubtedly; without a doubt; in truth; in any event; without reservation; obviously; not only..
　10 条件关系 if; unless; lest;provided that (考虑到); if it is the case; in this sense; once...; if possible; if necessary; if so; if not all; if anything
　11 归纳总结 in other words; to put it in a nutshell; in sum; therefore; hence; in short; in brief; to sum up; in conclusion; in summary; to conclude; the conclusion can be drawn that...; in short
　12 方位关系 beyond; opposite to; adjacent to (毗邻的); at the same place; there; over; in the middle; around; in front of; in the distance; farther; here and there; above; below; at the right; between; on this side
　13 目的关系 with this object; for this purpose; in order that; in this way; since; so that; on that account; in case; with a view to; for the same reason.
　14 重申关系 in other words; that is to say; namely; to put it in another way; as I have said; again; once again.
　15 时间关系 at once; immediately; at length; in the meantime; meanwhile; at the same time; in the end; then; soon; not long after; later; at once; at last; finally; some time ago; at present; all of a sudden; from this time on; from time to time; since then; when; whenever; next point; a few minutes later; formerly; as; once;since; occasionally; in a moment; shortly; whereupon; previously.