下面是今天汇总，即Direction Words。这类词汇的作用是什么呢?以下就是是详细内容。希望能够帮助同学们更好的备考，最终取得满意的成绩。
SAT语法词汇中，Direction Words的作用体现在，预判focus或topic，预判细节关系，确定阅读速度的快慢。
来看下面的例子：
Reports on an organization’s projects may fill several major functions at the same time. A report can be used to educate and gain support from key people and groups, to facilitate and inform decision-making about current and future projects, and to provide documentation for the organization’s records.
上面文字中的several是一个不定数词，它属于Classification & Listing这一类Direction Words，当它出现在观点句中或者结论句中的时候，它表明紧跟在它后面的名词或者名词短语就是下面文字的topic or focus，在这里我们知道下面文字的中心是报告的主要功能(major functions)。其次通过several这一结构指示词，我们还可以判定下面的细节部分不是分类讨论结构就是列举结构。最后我们既然已经能够预判下文的中心和结构，也就自然能够加快阅读速度了，毕竟已知大意和目的的内容可以加快阅读。
下面是六类SAT语法词汇中的Direction Words。
Classification & Listing
category, classification, group, parts, types, characteristics, elements, kinds, sorts, ways, classes, features, numbers, 1,2,3,4, moreover, next, also, then, furthermore, etc.
Sequence of Process
first, now, later, second, after, stages, third, before, steps, next, finally, then, most, important, furthermore, when, last, etc.
Example
for example, for instance, to illustrate, such as, notably, to describe, specifically, perhaps the most, etc.
Definition
define, known as, we mean, is, that is, we can state, is defined as, the term means, etc.
Cause & Effect
because, for this reason,
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