2. Open the Answer button in the lower right corner of Xue Tong.

3. Then click the question whose status is "Unanswered" that you want to change.

4. Finally, click to hide the answer.

Xue Tong is a professional mobile learning platform developed by Beijing Century Superstar Information Technology Development Co., Ltd. for mobile terminals such as smart phones and tablet computers.

Users can complete library book borrowing and querying, electronic resource searching and downloading, library information browsing, school courses, group discussions and view our school address book by themselves. At the same time, they have e-books, newspaper articles and Chinese and foreign literature metadata to provide users with convenient and fast mobile learning services.