雅思阅读考核的重头戏就是同义替换， 出题者在这个同义替换的过程， 采取了一些不同的方式：有的时候同义替换非常刁钻刻薄，而有的时候相对较为容易。比如有时题目要求填写一个名词， 后面紧随着一个定语从句。在回原文定位的时候， 原文也是一个名词紧跟着定语从句， 从句中的词汇基本没变。 这个时候只要稍微对定语从句有所理解， 往回找一个词， 总是不难理解的！所以总结发现尤其重要，下面介绍几种常见的方式，希望对大家有所帮助。
look like = resemble相似的
题目：What type of serious climatic event, which took place in southern Rajasthan, is mentioned in the article?
原文：Their condition hasn’t been helped by recent dry spells: southern Rajasthan suffered an eight-year drought between 1996 and 2004.
题目：Stepwells had a range of functions.
原文：During their heyday, they were places of gathering, of leisure and relaxation and of worship for villagers of all but the lowest classes.
题目：The sense of smell may involve response to _____ which do not smell, in addition to obvious odours.
原文：Researchers have still to decide whether smell is one sense or two - one responding to odours proper and the other registering odourless chemicals in the air.
题目：The number of steps above the water level in a stepwell altered during the course of a year.
原文：When the water level was high, the user needed only to descend a few steps to reach it; when it was low, several levels would have to be negotiated.
题目：Which part of some stepwells provided shade for people?
原文：Built from stone and supported by pillars, they also included pavilions that sheltered visitors from the relentless heat.
题目：Old, deep and very dramatic has_____ which provide a view of the steps.
原文：On the fourth side, verandas which are supported by ornate pillars overlook the steps.
题目：a ____ which beats each _______.
原文： Moreover, this invention allowed the use of a long pendulum which could beat once a second and thus led to the development of a new floor-standing case design, which became known as the grandfather clock.
题目：Odours regarded as unpleasant in certain ______ are not regarded as unpleasant in others.
原文：Odours are invested with cultural values: smells that are considered to be offensive in some cultures may be perfectly acceptable in others.
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