What is the introduction part mainly about?
举一反三
- What is the recording mainly about ? A: how to take photos B: introduction of a fou-day class on photo-taking C: traveliing and taking photos
- What is not one of the purposes of introduction part?
- What is the introduction aboutIt is about ______ .
- What is the first advertisement mainly aboutIt is mainly about ____________________.
- What should a presenter do first in the introduction part?