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On August 12, we upgraded our self-enrollment process to improve class security. Class IDs and passwords are no longer used. To join a class, you will now need an Enrolment Key. If you don't have one or are unable to join the class, please reach out to your instructor to get your key.
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如需加入班级，请输入教师提供给您的班级注册码。如果您没有此信息，或您输入的信息似乎不正确，请联系您的教师。