答案:【计分规则】: Characteristics of a good topic is: Firstly, your question does not have a simple answer;Second, your question is worth answering; Third, your paper will achieve its purpose;Fourth, you are interested in the topic;Fifth, the topic is the right size for the length of the paper; Sixth, there is enough information available in reliable sources;The last one is, you have enough time to do what you have to do.