The key answer of exercise 1
The key to exercise solutions in chapter 6.3 - Trendsetters for the textbook Speakout Advanced - Students' Book with authors Antonia Clare and J. J. Wilson from Pearson Education
Question
Read the text about how trends spread. What is the main idea of the text? What is your answer to the question at the end of the text?
Answer
Main idea → that the best way to explain a trend is as something that spreads like an epidemic or virus.