Which kind of way of argumentation does the author mainly use in paragraph 2：
举一反三
- What does the author mainly talk about in the last paragraph?
- What order/orders does the author use the last paragraph?
- What kind of writing techniques does the author use in the text?
- Which way does the following paragraph use to start a topic? Many people smoke. They smoke because they think it makes them cooler and it is a good way for them to show their manhood.
- Which method of comparison and contrast does the author use in Para. 6 and Para.7?