Question

是的，高中所要学习的科目增加了，内容很困难（怎样用英文翻译）

Answer 1

Yes, in high school to learn subjects increased, content is very difficult

Answer 2

it‘s true that the number of courses required in high school education has been increased，also the courses themselves are becoming harder and harder.

Answer 3

Yes, high school subjects to increase learning, which is very difficult