A. read a book
B. have lunch
C. go to school
D. have dinner
E. good morning
31453×68765×987658除以11余多少?
As ____ (lead) of the groups, they all want their own teams to win in the final.
“以人为本,创建平安和谐校园”是构建和谐社会的重要组成部分,同学们在日常生活中必须注意安全,珍惜生命,下列关于安全方面的说法,正确的是( )