A large number of test questions may cause some problems to be repeated. It will take too much time if you want to delete them one by one. In this case, we can use the question duplicate checking function!
How to use the question duplicate checking?
Firstly, login the system, then click the question list;
Second, click the [Check Duplication] button;
then we can see the repeated question in this page;
Thirdly, we can choose whether to delete the duplicating questions; or we can click the [Auto process the duplication], the system will automatically delete duplicate questions, leaving only one.