A:Yes, madam, on the second shelf over there.
B:The oranges are very cheap.
C:You like apples, don't you?
D:Of course, we have some fruits.
①符合当今时代特征
②是经济特区特有的权利,与其他地区无关
③是加快我国现代化建设的必然选择
④要借鉴和吸收一切先进的东西