题目内容：
根据以下材料，回答题Nowadays, online resources can be found easily, and they consist of very high quality. Whether you are looking for journal articles, theses,factual information or high-quality resources, the same principles are al-ways useful. Therefore, it is useful to know how to conduct research online.
First, define and narrow your topic.Develop a solid thesis station that gives you room to develop an argu-ment.This is a great time to do brainstorming. Mind maps, concept maps, decision trees, and writings are all very useful. Then determine what fields of study your research questions address. Identifying the fields of
study will help you determine which journals and subject or field-specific data bases to search for your online research. And make a list of items that interest you about the topic. These will help you develop search terms and to focus your search by going to the correct types of journals and publications.
Second, evaluate and organize your materials. You should be aware that the articles you have got could be prejudiced. Therefore, web pages should be viewed with more caution than most print materials. In partic-ular, you should look for: Who is responsible for the site? Is there a name and contact address? What is the operating rule for the site? Is it supporting a particular viewpoint to prove other views to be wrong? Is there a list or bibliography of evidence? Is there a date when the site was last updated? How long ago did this hap-pen? Does the site seem to be permanent or part of a permanent organization? It might have been an auto-matic disqualifier to see links to advertising, sponsors, or affiliate programs that pay the Website owner a few cents for referrals. After you have found your articles, be sure to organize them so that you have a sense of where they will go in your paper. Keep your primary thesis in mind, and the points you are trying to make and
will support with evidence and research findings from your articles. This is a good time to return to your out-line and to start mapping out where you plan to use your sources and citations.
Last but not least, update your outline and fill in the gap. Re-examine your thesis and your argumenta-tion structure and determine where you have gaps, redundancies,or where your sources take you on a tan-gent. Then, after eliminating redundancies, map where you need to fill gaps, and where your argument needs additional support.
( ) Which of the following is not mentioned on the passage? A．Narrow the topic.
B．Evaluate the materials.
C．Create the bibliography.
D．Fill the gap.
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