You should be able to see it on the quiz, and then you can redo it before reading the answer, but you can't redo it after reading the answer. The mobile version of Wisdom Tree University is a very professional and practical educational information and learning software for college students. College students are the pillars of the motherland and the fresh force of young people, because they have learned more knowledge and accumulated energy, so they can fully participate in society. Wisdom Tree is the largest large-scale online interactive school with open online courses in China, with a large number of high-quality courses in colleges and universities. Perfect support for cross-school teaching, credit certification, famous teachers and universities, VIP-level courses, so that you can become the MVP in the school. The Wisdom Tree is the largest MOOCs curriculum platform in China, which realizes "student-centered" online self-learning discussion, live interaction in large classrooms across schools, credit certification and degree support, and helps the government, alliances and schools share high-quality curriculum resources.