A is a person going from one place to another in a public or private
vehicle (交通工具).
A:passenger
B:musician
C:winner
①促进人口与健康 ②农业高新技术 ③生态环境的改善 ④食品和化学工业
秦岭—淮河一线是我国重要的地理分界线,下列说法错误的是( )