1. Electronic majors can study economics or management, but many schools in management require work experience. What you learn mainly depends on what you like to do. Just follow your heart, or you will regret it later.

2. Generally, take the GT one year in advance. It should be noted that G has only two chances every year, 6, 10. Therefore, the last G-test time for students who generally apply for admission in autumn is 10 month, and it will be too late in June of that year. As for the time schedule, you'd better go to the private map network to make a study abroad plan and help you calculate it automatically.

3. You can apply according to your own situation and find an intermediary. Intermediary saves trouble, but you are afraid of meeting bad intermediaries and consultants. You can also make a study abroad plan, and then see if you apply or find an intermediary. At least I have a bottom.