★ 雅思定位词在文章中出现的第二种变身是“近义替换”，这包含近义词或近义词组。
　　剑7，Test1的Q8：However, even before this was understood, the principle had been applied in the design of instruments which calculated the ____ of the seabed。 此题为在原文中选词填空的摘要题，定位词为“calculate”和“seabed”， 在文章中我们会定位到“Before this was discovered, engineers had already built instruments to exploit the principle, for example to measure the depth of the sea under a ship”。此处“measure”即为“calculate”的近义词，而“sea”即为“seabed”的上义词。
　　其他的近义词/词组变身如：
　　salary → wage statement → comment
　　be gained from → derive from policy → initiative
　　valuable → important break down → subdivide
　　★ 雅思定位词在文章中出现的第三种变身是“派生词”。
　　剑6，Test3的Q33：Monkeys were less likely to become diabetic。此题为分类题，定位词为“diabetic”，在文章中定位，我们能定位到句子“…and they have more normal blood glucose levels(pointing to a reduced risk for diabetes, which is marked by usually high blood glucose levels)”。题目中定位词“diabetic”为名词，意为“糖尿病患者”，而文章中的“diabetes”也为名词，但意为“糖尿病”，是“diabetic”的派生词。
　　剑4，Test4的Q14：archaeology involves creativity as well as careful investigative work。 此题为是非无判断题，定位词为“creativity”和“investigative”，在文章中我们能定位到“Archaeology is partly the discovery of the treasures of the past,…partly the exercise of the creative imagination…it is investigating the sewers of Roman Britain”。题目中定位词“creativity”为名词，在文章中对应形式“creative”(形容词)为它的派生词，;定位词“investigative”为形容词，在文章中对应形式“investigate”(动词)为它的派生词。更多英语学习内容请登录http://www.enguo.com/hy/?tid=104368

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