Which of the following facts is(are) mentioned about the usage on Web 2.0 in this article? （） A: Wikis B: RSS C: All above D: Blogs

You can find information using Web-based ____. A: indexes B: lists of links C: links provided on the pages of wikis D: all of the above

There are many tips to decide whether a source is credible. Please select from the following examples the credible one. A: Publicly editable encyclopedias or “wikis” (e.g. Baidu Baike, Wikipedia) B: https://eric.ed.gov C: https:// emerald.edn.org D: ---