Directions: Some people prefer to eat at food stands or restaurants. Other people prefer to prepare and eat food at home. Which do you prefer Use specific reasons and examples to support your answer.
《中华人民共和国标准化法》于1989年4月1日发布实施。( )
A. 对
B. 错
GB 2946-1992,其中GB代表工业标准。( )
A. 对
B. 错