《食品安全管理体系餐饮业要求》规定用餐配送单位每班产品应留样24h以备复检待查。
参考答案:错
Mary never does any reading in the evening, _____. [ ]
A. so does John
B. John does too
C. John doesn't too
D. nor does John
画出烧结生产原料、接收、贮存准备工艺流程。