Question 1
正确答案: collecting data/gathering data/data collection|collecting data|gathering data|data collection|COLLECTING DATA|GATHERING DATA|DATA COLLECTION
Question 2
正确答案: 1500
Question 3
正确答案: 5
Question 4
正确答案: 3000-4000
Question 5
正确答案: B C
Question 6
正确答案: Mehta|MEHTA
Question 7
正确答案: Survey Research|SURVEY RESEARCH
Question 8
正确答案: London University/London University Press|London University|London University Press|LONDON UNIVERSITY|LONDON UNIVERSITY PRESS
Question 9
正确答案: 1988