2015年12月,国务院发布《关于清理规范税收等优惠政策的通知》,要求全面清理已有的各类税收等优惠政策。统一税收政策制定权限,除依据法律规定的税政管理权限外,各地区一律不得自行制定税收优惠政策。***在2016年《政府工作报告》中宣布5月1日起全面实施“营改增”。实施这些政策旨在( )
①扩大财政收入,促进资源的合理配置
②深化财税体制改革,维护正常的分配秩序
③形成统一的市场体系,促进市场公平竞争
④落实扩张性财政政策,防止经济大起大落
A:①②
B:②③
C:①④
D:③④
元素观是化学的重要观念之一.下列有关元素的说法中错误的是( )
It's September 13th today. It's my birthday. I get up early at 5:30 in the morning. After breakfast, I go to the park with my parents. We take many photos. In the afternoon, my father buys a big birthday cake for me. My friends make many beautiful cards for me. We eat the birthday cake together. I am very happy.