X公司的主要产品为日用洗涤用品，其产品通过数十家批发商进入全国各地的市场， 2009年X公司为管理批发商，提高顾客满意度，对这些批发商进行了顾客满意度调查。 X公司要提高顾客满意度，可按照( )建立质量管理体系。
A. ISO 9000
B. ISO 9001
C. ISO 9004
D. ISO 19011
查看答案
Questions 11 to 18 are based on the conversation you have just heard.
A. They missed the concert because of the rain.
B. They are soaked in the rain on their way to the concert.
C. They will dry off their clothes immediately before the concert starts.
D. They will change their clothes a few minutes before the performance starts.
参与氨基酸脱羧基作用
A. 维生素及
B. 维生素B12
C. 维生素B12
D. 四氢叶酸
E. 生物素
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