题目内容

冷冻贮藏和冷藏最大区别在于贮藏温度的不同。冷藏是 0℃以下低温贮藏，冷冻贮藏是 0℃度以上低温贮藏。()

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棚窖是一种永久性性的贮藏场所，而通风库则是临时性的建筑，面积和容量也比棚窖更大，有比棚窖更好的隔热结构和更灵活的通风设备，降温保温效果更好。

冷库的冷点是指冷库温度最低点，一般在冷却器附近。()

根据资料(1)和(2)确定甲公司和乙公司采用的记账本位币，并说明理由。

You bought a food product with a distinct brand name but found it had serious quality problem. Write a letter to the manufacturer to
1) complain about the poor quality,
2) express your criticism and anxiety,
3) make you own suggestion(s).
You should write about 100 words on ANSWER SHEET 2.
Do not sign your own name at the end of the letter. Use "Li Ming" instead.
Do not write the address. (10 points)