He is very _____ because his hobby has b_爱下问搜题

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问题选择题

He is very _____ because his hobby has brought him _________ and success. [ ]

A. luck, enjoyment

B. lucky, enjoyment

C. luck, enjoy

D. lucky, enjoyable

答案

答案：B

单项选择题

宏观调控是保证社会再生产协调发展的必要条件，通过宏观调控可以保持经济总量平衡，抑制通货膨胀，促进重大经济结构优化，实现经济稳定增长。下列行为属于宏观调控经济手段的是（）。

A.国家提高农产品收购价格

B.物价部门核准公共交通的价格

C.国家修订个人所得税法

D.海关部门禁止某类商品进口

问答题简答题

简述岩层的原生层面构造。