关系模型的完整性规则是对关系的某种约束条件,包括实体完整性、______和自定义完整

题型:填空题

问题:

关系模型的完整性规则是对关系的某种约束条件,包括实体完整性、______和自定义完整性。

考点:计算机等级考试ACCESS二级ACCESS笔试
题型:填空题

阅读理解。

     My name is Jim. I have a sister. Her name is Jenny. We are in China now. We have many friends here.

My sister and I like different things. I like Chinese food and my sister likes Chinese clothes. I like to eat their

rice, noodles and cakes. Noodles are my favourite food. I eat them for lunch or supper. I like the fruit here

very much, too. I like peaches, pears, strawberries, and bananas. My sister likes to wear their dresses, hats,

socks and shoes. Her favourite colour is yellow.

     We get up at six in the morning. Then we go to school. Our Chinese teacher is Mr. Wang. He tall with

big eyes and short hair. He is a good teacher. After supper, we do jour homework. At about 0 o'clock we go

to bed. Sometimes (有时) we go to McDonalds to eat a sandwich and French fries on Sundays. We feel very

worm and happy here!

1. Where are Jim and his sister now?

    ________________________________________

2. What color does Jenny like best?

    ________________________________________

3. What's Jim's favorite food? 

    ________________________________________

4. Who is their Chinese teacher?

    ________________________________________

5. How do they feel in China? 

    ________________________________________

题型:填空题

当今社会,WTO是唯一的制定国家间贸易规则的全球性组织。()

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(如图)坏死性巩膜炎明显的症状是()

A.畏光

B.流泪

C.眼痛

D.充血

E.视力下降

题型:填空题

药品质量标准是国家对药品的

A.质量规格所做的技术规定

B.检验方法所做的技术规定

C.质量规格和检验方法所做的技术规定

D.质量所做的技术规定

E.质量规格和检验方法所做的规定

题型:填空题

阶段小结是指患者住院时间较长而由经治医师所做的病情及诊疗情况总结,一般进行阶段小结的周期为()

A.1个月

B.2个月

C.3个月

D.4个月

E.5个月

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