Please let the teaching funds pass quickly!
Content in front? Or other symbols other than small stars. This content is of medium level and can be memorized by heart.
A small star is a level 1 short answer question, and so on (you have to memorize them all! Oh my god, help me!)
There is no lack of content, the contents of the locked 14 chapters are in chapters 16 and 17
Purpose: Preparing for exams