id	keyword
bece-1671	school
bece-1671	academic
bece-1671	students
bece-1671	performance
bece-1671	school students
bece-1671	high
bece-1671	variable
bece-1671	factors
bece-1671	expectations
bece-1671	model
bece-1671	china
bece-1671	learning
bece-1671	study
bece-1671	education
bece-1671	hukou