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实施商业智能系统是一项复杂的系统工程。用户除了要选择合适的商业智能软件工具外．还必须遵循正确的实施方法才能保证项目得以成功。通常，实施商业智能(BI)的步骤依次是：需求分析一__________一用户培训和数据模拟测试一系统改进和完善。A.
建立Bl分析报表一数据抽取一数据仓库建模
B.
数据抽取一建立81分析报表一数据仓库建模
C.
建立Bl分析报表一数据仓库建模一数据抽取 。
D.
数据仓库建模一数据抽取一建立Bl分析报表
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【简答题】看图，写单词。 1. The is ing. 2. A is ing the bird. 3. The s are ing. 4. The is lonely.
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