雅思阅读考试出题原则简析

雅思阅读考试中每篇文章的长度为700-1300词。文体形式基本遵循说明文或议论文这两种模式中的一种。环球教育魏维老师选取剑桥雅思系列11中Test 1的篇文章，进行统计，全文共含771个单词（从标题开始计算，一直统计到文章正文最后一个单词）。

　　文章后的个题型为单句填空题，之前大魏老师已写过一篇文章"如何攻克雅思阅读单句填空题"，探讨本题型的解题策略与方法，本文不再赘述。

　　本文旨在通过这组题型及对应原文，分析出题原则，为各位考生梳理雅思阅读所考查的核心技能。

　　Questions 1-7

　　Complete the sentences below.

　　Choose NO MORE THAN TWO WORDS from the passage for each answer.

　　Write your answers in boxes 1-7 on your answer sheet.

　　Indoor farming

　　1.Some food plants, including __________, are already grown indoors.

　　2.Vertical farms would be located in __________, meaning that there would be less need to take them long distances to customers.

　　3.Vertical farms could use methane from plants and animals to produce __________.

　　4.The consumption of __________ would be cut because agricultural vehicles would be unnecessary.

　　5.The fact that vertical farms would need __________ light is a disadvantage.

　　6.One form of vertical farming involves planting in __________ which are not fixed.

　　7.The most probable development is that food will be grown on __________ in towns and cities.

　　环球教育发现：以上每道题目指令清晰，在这组题目开头设置了小标题Indoor farming，让考生能够更加专注于搜索原文中与标题以及题关键词有联系的内容。有一个常见疑问：为了解答出这7道题目，究竟在原文中需要阅读多少比例的有效内容呢？接下来，我们共同进行探寻：

　　Crop-growing skyscrapers

　　By the year 2050, nearly 80% of the Earth's population will live in urban centres. Applying the most conservative estimates to current demographic trends, the human population will increase by about three billion people by then. An estimated 109 hectares of new land (about 20% larger than Brazil) will be needed to grow enough food to feed them, if traditional farming methods continue as they are practised today. At present, throughout the world, over 80% of the land that is suitable for raising crops is in use. Historically, some 15% of that has been laid waste by poor management practices. What can be done to ensure enough food for the world's population to live on?