2, first of all, optimistic about the definition of university, if it refers to the former 100 schools, such as many schools in Australia, it is entirely possible, but if you want to go to the top 20 schools, there is little hope.
3. The success of postgraduate application mainly depends on foreign language scores (IELTS; GT) and American GPA (the average score is generally not less than 80 points). Of course, other application materials, recommendations, interviews and even luck are also important.