What is the purpose of the lines that are underlined?
Read this excerpt from "Herd about the Flu."
Herd about the Flu
It's winter and the flu is raging. It's in your school, you
know people who have caught it, and you are washing
your hands for the fifth time. Missing school because of flu
might not sound so bad, but the flu is one of the worst
viruses you can have. The chills, the fever, the severe
aches in your legs and arms ... It's not something you
want. Your mom drives you to the drugstore and you see
a sign: No Flu Shots Available.
Wait a minute—there is a bad flu this season. You need
the shot.
Where is the shot, and why can't you get it?
There are several answers to these questions. First, it just
may not be ready. Flu viruses change all of the time, so
new flu vaccines must be produced every year, and they
These are answers to topic questions, and the
paragraphs after them explain the answers.
These are summary points so that the reader could just
read these lines and understand the passage.
These are conclusions that summarize all of the
information in the paragraphs before them.
These are headings that give titles to the topics being
discussed in the paragraphs after them.