Secondary sources are considered to be the most reliable.
举一反三
- 中国大学MOOC: 3.Which of the following sources will be considered reliable for nutritional ratings for fast food?
- Which of the following sources may not be considered reliable or trustworthy when a speaker cites statistics from them?
- We deal with a lot of foreign customers and are considered to be one of their most reliable agents.
- Which of the following sources is the most reliable? A: New York Times B: Baidu C: Web of Science D: Wikipedia
- Which of the following sources is the most reliable? A: News report. B: Journal article. C: Wikipedia entry. D: Blog.