摘要
Grasping the main idea is a key to reading comprehension.Thematic idea is the central content that the author wants to express in the article.Grasping the thematic idea is also helpful to understand the details of the article.This information should be able to generalize and summarize the commonality of other information in the text.Identifying and mastering the most basic and gener-al information in the article is critical to our understanding of the whole article.However,the topic sentence in the article is also the key to understanding the main idea of the article.
