设置征收消费税的作用有()
A.缩小贫富差距,实现社会公平
B.矫正外部成本,优化资源配置
C.调节消费结构,缓解供求矛盾
D.取得财政收入
参考答案:A, B, C, D
We should_______ what we can afford for tomorrow’s picnic in spite of our poor living conditions.
A.contribute
B.provide
C.supply
D.donate