According to the postal code database, the postal code of Licheng Street in Zengcheng District, Guangzhou is 5 1 1399, with the first two digits 5 1 representing Guangdong Province, the third digit 1 representing Qingyuan City, the fourth digit 3 representing Zengcheng District, and the last two digits 99 representing the specific delivery office location in Zengcheng District.
Theme class meeting is an important measure to enhance the active range of students' discussion and learning, and also an effective link to establ