题目

—Lily, ________ apple on the table is for you. —Thanks, Mum. ________ apple a day is good for you. A . the; An B . an; An C . an; The D . the; The 答案：A为了解决人口增长过快带来的问题，人类必须使人口的增长与社会、经济的发展相适应，协调人口与________、________的关系。