A:I would like some soup for supper.
B:I would like some cakes for supper.
C:I want to eat some eggs for supper.
读发达国家和发展中国家人口与国内生产总值比较图,完成下列要求。
热带和温带的分界线是( )
下列关于学习压力的认识,正确的是( )