托福阅读如何做修辞目的题呢技巧二巧用选项动词排除大法

雅思托福考试是全球最广泛使用的英语语言考试之一，被许多国家的大学、移民机构、企业和政府部门用作衡量语言能力的标准。考生需要在听、说、读、写四个方面进行测试，其中有不少同学想要了解：托福阅读如何做修辞目的题呢？技巧二：巧用选项动词排除大法，那么下面中国教育在线小编就来和大家分享一番。

大部分修辞目的题的选项都是由to开始，以表示为了达到某个目的，而to后面的动词比较容易被我们忽略，但其实仔细检查这些动词对于做题也是非常有帮助的。

例题二：

A third fossil formation containing both soft-bodied and hard-bodied animals provides evidence of the result of the Cambrian explosion. This fossil formation, called the Burgess Shale, is in Yoho National Park in the Canadian Rocky Mountains of British Columbia. Shortly after the Cambrian explosion, mud slides rapidly buried thousands of marine animals under conditions that favored fossilization. These fossil beds provide evidence of about 32 modern animal groups, plus about 20 other animal body forms that are so different from any modern animals that they cannot be assigned to any one of the modern groups. These unassignable animals include a large swimming predator called Anomalocaris and a soft-bodied animal called Wiwaxia, which ate detritus or algae. The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups. For example, a well-known Burgess Shale animal called Sidneyia is a representative of a previously unknown group of arthropods (a category of animals that includes insects, spiders, mites, and crabs).

10. Why does the author mention Anomalocaris and Wiwaxia?（4）

○ To contrast predators with animals that eat plants such as algae

○ To question the effects of rapid mud slides on fossilization

○ To suggest that much is still unknown about animals found in the Burgess Shale

○ To provide examples of fossils that cannot be assigned to a modern animal group

这道题我们就可以先来看看选项动词，a是contrast对比，b是question质疑，c是suggest表明，d是provide examples提供例子。

我们可以把这些动词分为两类，一类是中性的动词，比如suggest和provide examples，另一类是负面的动词，比如contrast和question。

因为作者在表达负面关系的时候往往会在文中用上but、however、while、whereas等连接词，所以我们可以通过检查定位句和前一句有无这样的连接词，来排除此类选项或者将范围缩小到这类选项。

在本道例题中定位句和前一句就没有这样的连接词，所以我们就可以先排除掉a和b。

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