《全国文明城市测评体系》要求文明城市每个街道都有综合性多功能的室内文化活动场所。其中，要求每万人拥有多少面积？
参考答案：
每万人拥有500m2以上。
根据句意及首字母的提示，补全单词。
1. When we meet for the first time, we usually s ____ hands.
2. I don't want to eat anything. I'm f______.
3. I often brush my teeth with this kind of t______.
4. I,t is a good way to ____ HINl by washing hands with soap.
5. I don't know the man. He is a s ____
考虑库存规模经济的作用时，必须将维持库存的成本与实现的生产成本相比较。
