雅思阅读判断题之Not Given的真面目

　　首先我们来看一下雅思官方对这个让大家不敢下笔的Not Given是如何界定的：

　　1. if there is no information on this.

　　2. if it is impossible to say what the writer thinks about this.

　　总的来说，这类答案指的就是出题人对原文内容无中生有的主观臆断。当然，这些主观臆断并不代表着他本身是一个错误地表达。

　　接下去我们通过例子来了解Not Given的主要两种具体情况。

　　题目中的部分内容或者所有内容在原文未提及

　　01

　　这里的12题通过审题，我们可以试着以hotels作为定位词回文寻找答案出处，若是找不到相关内容也可以根据判断题有序性原则利用11和13题之间的内容来确定出题范围。

　　原文：

　　In addition, it appears that visitors to New Zealand don't want to be ‘one of the crowd' and find activities that involve only a few people more special and meaningful.

　　It could be argued that New Zealand is not a typical destination. New Zealand is a small country with a visitor economy composed mainly of small businesses. It is generally perceived as a safe English-speaking country with a reliable transport infrastructure.

　　通过11题和13题截取出来的区间我们发现，并没有出现任何和定位词hotels或是住宿有关的内容，也就无所谓游客对大小旅馆的偏好，所以这类题属于典型的完全未提及式Not Given.

　　02

　　不存在的比较关系

　　例题：

　　Fewerbilingual people than monolingual people suffer frombrain diseasein old age.

　　这道题首先我们可以选择brain disease作为定位词，通过分析题干我们发现考点在于双语者和单语者两类人之间人数的比较。根据定位词我们找到原文出题点，

　　原文：

　　In a study of over 200 patients with Alzheimer's disease, a degenerative brain disease, bilingual patients reported showing initial symptoms of the disease an average of five years later than monolingual patients. In a follow-up study, researchers compared the brains of bilingual and monolingual patients matched on the severity of Alzheimer's symptoms. Surprisingly, the bilinguals' brains had more physical signs of disease than their monolingual counterparts, even though their outward behaviour and abilities were the same. If the brain is an engine, bilingualism may help it to go farther on the same amount of fuel.

　　这段话看起来似乎很长，但我们只需要把握住题干重点来找到是否有对应的比较关系来进行判断即可，大致阅读该段发现，这一段话确实出现了比较关系，但是就两类人出现脑部疾病症状的时间早晚，以及得脑部疾病后出现的疾病生理迹象的多少进行了比较，而非题目中提及的人数多少的比较，因此这个比较关系在原文并不存在，可以确定答案为Not Given.

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