预测略读要了解作者的思路、文章方式，以把握大意、有关的细节极其相互关系。
To understand the authors predict skimming ideas, ways, to grasp the carelessness, details about the extremely relationship.
因此我们往往可以通过阅读每段的首句或尾句来了解整篇文章的大意。
So we can often through reading the first sentence or each sentence to end to understand the whole text.
题目，段落首句，重点词(加了下划线或斜体的词)对于了解文章的大意有非常大的帮助。
Titles, paragraph headings and emphasized words (underlined or in italics) can be a great help in getting this skeleton outline of the passage.
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