The evaluation of RTA platform should be completed; Attend the course arrangement, unit test (to be done at the end of the course), upload the final complete portfolio and online discussion on TEO platform every time; Wiki homepage (introduction, unit plan) of wiki platform students should be complete, and there should be comments on every link of pairing students, with no less than three comments on students; Teachers' community (blog) publishes no less than 3 logs (one of which is a summary of study or reflection at the end of study), and replies to others for no less than 2 times.