Is it compulsory or optional for science students in Grade Two in Wangjiang County, Anqing City, Anhui Province? Please give a detailed answer.

According to different subjects, Chinese also has compulsory five, and there are several elective books after learning, such as short stories and historical records. Mathematics also has five compulsory courses, and then three series of elective courses are to be taken; English also has five elective courses, followed by six, seven and eight elective courses; Physics elective three series; The elective course of chemistry is elective four, which is the principle of chemical reaction. This book is a must-read for the college entrance examination; Biology is an elective course, and it is also an elective course. History has compulsory courses 3, history of science and technology culture; Politics is compulsory three, cultural life, and there is a compulsory philosophy after learning; Geographical geography is a compulsory course of regional geography, and there are optional courses after learning; The rest, music, art, physical education and health, are all elective courses. What is singing about music? Fine arts include painting and calligraphy, not to mention sports. There are also compulsory courses in technology.