【简答题】Preview the PPT of “Lecture 3” and Chapter 3 of your textbook , and answer the following questions by your own PPT . l 1. What are the principles for data collection? l 2 . How many sources of linguis...
【简答题】According to the video 2.2.1 1. How many ethical principles are there and what are they? 2. How to get the trust of the audience? 3. What to prepare for your speech?