✔ 最佳答案
A is not difficult to be obtained in exam. A is not a definite to reflect the knowledge of someone.
Checking your all questions that you should have very goods academy, except econ. I have sent an email for web site to you for improving it.
My advice is that if you want to get good result, pay the best effort during the lesson in school. Teachers in school are the best resources. Besides, forming a group for discussion periodically is the most efficient way to point out the problem immediately.
Study all text habitually when you are free. No need to make a fixed time table, which may make you nervous.
I do not recommend any medicine that you may rely on it later. Other than chicken essense 鷄精, I will not take other healthy medicine.