J．Martin认为企业信息系统的建立应遵循某些普遍原则，下述
Ⅰ．必要的总体规划
Ⅱ．自顶向下规划与局部设计组合
Ⅲ．高层管理人员的参与
Ⅳ．数据处理人员与管理者之间的交流
哪些是J．Martin所强调应遵循的普遍原则?
A．Ⅰ和Ⅱ
B．Ⅰ和Ⅲ
C．Ⅰ，Ⅱ和Ⅲ
D．全部

未分类题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 Ⅱ．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A．Ⅰ和ⅡB．Ⅰ，Ⅱ和ⅢC．Ⅱ，Ⅲ和ⅣD．全部

未分类题A．halfduplexB．full duplexC．half or full duplexD．half and full duplex

未分类题第二节 完型填空阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。The increase in international business has created a need for managers with knowledge of foreign languages and skills in cross cultural communication. Americans, however, have not been well trained in higher area and, 【B1】 , have not enjoyed the same 【B2】 of success in negotiation (谈判) in an international area as their foreign counterparts. Negotiating is the process of 【B3】 back and forth for the purpose of reaching an agreement. It includes persuasion and compromise (折中), but in order to 【B4】 either one, the negotiator, must understand the ways which people are persuaded and how compromise is reached with the 【B5】 of negotiation. In many international business negotiations abroad, Americans are 【B6】 as wealthy and impersonal. It often 【B7】 to the foreign negotiators that the Americans stand for a large multi million dollar corporation that can 【B8】 to pay the price without 【B9】 further. The American negotiator's role becomes that of a(n) 【B10】 provider of information and cash.【B11】 studies of American negotiators abroad, several traits have been proved that may 【B12】 to support this unchanging perception (看法). Two traits 【B13】 that cause cross cultural misunderstanding are directness and 【B14】 on the part of the American negotiators. 【B15】 , American negotiators often insist on realizing short term 【B16】 . Foreign negotiators, on the other hand, may 【B17】 the relationship set up between negotiators and may be willing to spend time in it for long term interests. Clearly, perceptions and differences in values 【B18】 the outcomes of negotiations and the 【B19】 of negotiators. For Americans to play a more effective role in international business negotiation, they must put forth more effort to 【B20】 cross cultural understanding.【B1】A．besidesB．otherwiseC．butD．therefore

未分类题在窗体上画一个名称为Command1的命令按钮，然后编写如下程序： Dim k As Integer Private Sub Form_Load() k=15 End Sub Private Sub Command1_Click() Dim b As Integer b=b+k k=k+1 Print k,b End Sub 程序运行时，两次单击命令按钮Command1后，在窗体上输出的第二行是( )。A．17 31B．15 31

未分类题—Read the article about People Express.—Choose the best word to fill each blank, from A, B, C or D.—For each question 19-33 mark one letter (A, B, C or D )on your Answer Sheet.—There is an example at the beginning. People Express People Express, founded in April 1981, grew rapidly on the basis of low fares and no-frills service. It soon became a leading airline and (19)______ changed the industry as firms constantly engaged in price wars to lure passengers. Then, People Express' bubble (20)______ because it overexpanded, consumer complaints mounted and other airlines matched its fares on popular routes. In 1986, People Express (21)______ hundreds of millions of dollars and was forced to sell out to Texas Air, the owner of Continental and Eastern Airlines. In early 1987, Texas Air (22)______ People Express into its Continental division and industry observers believed (23)______ the costly fare wars would be ended. They could not have been more wrong. To stimulate business for its (24)______ Continental Airlines, Texas Air instituted a new low fare category (25)______ MaxSaver. The fare offered prices that were up to 40 per cent lower than 'supersaver' rates offered (26)______ all airlines. For example, the round-trip MaxSaver fare from New York to Houston was $79. The MaxSaver fares were immediately matched by all major airlines, (27)______ feared losing business. While MaxSaver rates were low, they also had restrictions. Tickets could not be (28)______ or flight times modified after purchase. Passengers would have to stay over either a Saturday or Sunday, Reservations had to be made at least two days (29)______ and there were limited seats available. Three weeks after MaxSaver rates were (30)______ American Airlines announced plans to raise its discount fares and require 30-day (31)______ purchasing for its lowest fares. It felt it could not continue at the rates in effect. However, just 10 days (32)______ American Airlines had to revise its plan. Texas Air refused to abandon the MaxSaver fare; it even extended the program into the busy summer sea son. Competitors went along and the price war raged on, (33)______ an executive's comment that 'nobody's cost structure can survive MaxSavers.'A．littleB．slowlyC．quickD．radically