ISO/ICE将标准化对象概括为产品、过程或服务。因此可以把标准分为产品标准、()和服务标准三大类。
参考答案:过程标准
根据汉语提示填写单词。
1. Good morning, Cindy! _________ (欢迎)to our school.
2. I like living in a house with a small _________(花园).
3. Could you give me some cakes, Mum? I'm _________(饿了).
4. The supermarket is at the _________ (开始) of the Qianjin Street.
5. There are many interesting _________ (地方) in our city.
出生时尚未发育的鼻窦是()。
A.上颌窦和额窦
B.额窦和筛窦
C.筛窦和蝶窦
D.额窦和蝶窦
E.上颌窦和蝶窦