Physics: the content of the exam was changed from multiple-choice to non-multiple-choice questions, and 1 question was selected from two questions. The score was adjusted from 5% of the total score to 7%, and the total number of questions remained unchanged.

Chemistry: the multiple choice question was reduced from 20 to 18, and the score was reduced by 7 points; The number of non-multiple choice questions remains unchanged, and the score is increased by 7 points; The content of the exam is the same as last year.

Biology: two multiple-choice questions were reduced, and 6 points were reduced; The number of non-multiple choice questions remains unchanged, and the score is increased by 6 points; The content and method of the selected examination remain unchanged, and the score is reduced from 15 to 10.

There are all kinds of books in the library bibliography.

And you can read it online.

Its website is:

The detailed address of this book is at:

/details.htm？ T 1003509_ 12