As a Chinese student, how to recite English words quickly？

How are key ideas refined with clear and concise language in the selection “what are our demands? ” what purpose does this selection serve?

Refer to the call of the wild to answer the question. what does the lost cabin symbolize for the men in the book? safety warmth power wealth

Why might a reader look for an idea that is restated? to craft a summary of the article to find the subheadings in the article to identify the article's main idea to locate the article's key support