题目内容
下列的选项中讨论的是数据仓库的数据基本特征是
Ⅰ．数据仓库是面向主题的
．数据仓库的数据是集成的
Ⅲ．数据仓库的数据是相对稳定的
Ⅳ．数据仓库数据是反映历史变化的
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2003年5月，张某在某首饰店购买了一枚钻石戒指，标签标明该钻石为“天然钻石”。不久，张某发现所买钻戒使用的是人造钻石，于是与首饰店交涉，历经18个月仍没有结果。2004年底，张某打算向法院提起诉讼，请求法院撤销其与首饰店之间的买卖关系。对张某主张的下列表述中：符合法律法规的是()
Task 2
Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45.
Manners are important to happy relations among people. Everyone likes a person with good manners. No one likes a person with bad manners. But what are good manners？ How does one know what to do and what not to do？
Well, here are some examples.
A person with good manners never laughs at people when they are in trouble. Instead, he tried to help them. He is always kind to others. When people are waiting for a bus, he takes his mm. He does not push to the front of the line. On the bus he gives his seat to an older person or a person with a very young child. If he knocks into someone, or gets in his way, he says "Excuse me" or "I'm sorry".
He says "Please" when he asks for something and "Thank you' when he receives something. He stands up when he is speaking to an older person, and he does not sit down until the other person takes his seat. He does not interrupt other people what they are talking. He does not talk too much. He does not talk loudly or laugh loudly in public.
When he is eating, he does not speak with his mouth full of food. He uses handkerchief when he sneezes or coughs. He does not spit in public.
Ideas of what are good manners are not always the same in different countries. But in all countries it is important to be kind and helpful.
A person with good manners is popular with others because______.
Section A
Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.
I ______ English for six years before I came to Beijing University.
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