以法律或政令形式颁布的,是对全社会有约束力的权威性规定的体系是( )。
A. 食品法律法规体系
B. 质量法律法规体系
C. 经济法律法规体系
D. 安全法律法规体系
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1. All the staff of the bank (work) ________ very hard last year and 20% moreprofit was gained.
2. Among the major products (import) _____________ by Japan were iron andsteel,and wood.
3. Business and professional services (list) ______________ in the introduction
4. This company’s mobile phone market share in China (fall) __________ to itslowest level since 2014.