IETLS考试中关联词起着很重要的作用，熟悉这些常用的关联词，对你的考试会有非常重要的作用。
    常用的关联词分为十大类：
    一.　Addition　此外
    in　addition, and，similarly， as　well　as，besides，furthermore，also，moreover，too, not　only　...　but，even，besides　this／that　
    二.　Sequence　顺序
    first, initially，second　etc.，to　be?gin　with，then，next，earlier／later，following　this／that，afterwards
    三.　Consequence　结果
    as　a　result, thus，so，therefore，consequently，it　follows　that，thereby，eventually，to　that　case，admittedly
    四.　Contrast对比
    however, on　the　other　hand，
    despite，in　spite　of，though，although，but，on　the　contrary
    otherwise, yet，instead　of，rather，whereas，　nonetheless compared　with，in　contrast
    五.　Certainty　确定
    obviously, certainly，plainly，of　course，undoubtedly
    六.　Condition　条件
    if, unless，whether，provided　that，for，so　that，whether，depending　on
    七.　Time　时间
    before, since，as，until，meanwhile，at　the　moment，when，whenever，as　soon　as，just　as
    八.　Summary　总结
    in　conclusion, in　summary，lastly，finally，to　sum　up，to　conclude，to　re?capitulate,in　short
    九.　Example举例
    for　example，for　instance，just　as，in　particular，such　as，namely
    十.　Reason原因
    since，as, so, because (of)，due　to，owing　to，the　reason　why，in　other　words,　leads　to，cause

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