Junior high school students arrive at school at 7 o'clock. After 8: 00, according to one subject (English, Chinese, Mathematics) in the curriculum, it ends at 8:50, with recess 10 minute, and the second class at 9: 00, with recess 10 minute. Courseware breaks for 10 minutes, and the fourth lesson starts at 1 1 and ends at1:50. 12 after school-

Have the fifth class at 3pm, end at 3pm, rest 10 minute, have the sixth class at 4pm, end at 4pm, rest 10 minute, have the seventh class at 5pm, end at 5pm, rest 10 minute.

The day's relaxation gymnastics starts at 7:00 and ends at 7:25.