First to third place. College students or their parents can provide relevant information through their student ID cards or by visiting Xuexin.com. Teachers and staff in kindergartens, primary schools, middle schools and institutions of higher learning can use their on-the-job certificates or on-the-job teachers' work cards. The review will be completed in 1-3 days. If the review fails, Apple will cancel the order and the paid part will be returned to the payment account. If you use qq e-mail, you must manually enter your online verification code and order number in the webpage e-mail (I just replied directly with the mobile qq e-mail, and I haven't received the receipt message of the follow-up number, indicating that it was not successfully sent to. Xue Xin. Com's online verification code will be valid. You must send a valid online verification code, but this validity period can be extended every year. If you are a student, you will find that the web version is invalid after logging in to Xue Xin. Don't worry, keep looking back. There is an extended validity period. Just change the previous number to the time that needs to be extended (the mobile version may not see the option to extend the validity period after logging in).