【简答题】1.What is the general purpose based on the following main points? 2.What is the specific purpose based on the following main points? 3.What is the central idea based on the following main points? Main points: 1.You should study abroad because it will enhance your personal development. 2.You should study abrroas because it will enhance your academic development. 3.You should study abroad because it will enhance your career development.