howdoestheauthorintroducethetopicofthisessay这道书面表达题怎么回答?

Question

how does the author introduce the topic of this essay这道书面表达题怎么回答?

Answer 1

The author introduces the topic of this essay in the following ways:
First of all,he briefly shows us the topic by asking a question.
Then,he explains the topic from different aspects with examples and facts.
Finally,he sums up the whole passage and summarises the main idea of the topic.