软件生命周期一般可分为这样几个阶段:问题定义、可行性研究、 【1】 、设计、编码、测试、运行和维护。
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“学生”表中有“学号”、“姓名”和“总成绩”三个字段,“总成绩”越高名次越靠前,查询前10名学生的SQL语句是: SELECT * ______ FROM 学生 ORDER BY 总成绩 DESC
最早的证券化产品以商业银行房地产按揭贷款为支持,故称为按揭支持证券(MBS)。( )
A. 对
B. 错
W: Mary insists she’s coming to my graduation ceremony.M: But she has to work that week, doesn’t she What does the man imply about Mary().
A. She won’t be able to come.
B. She’s not going to graduate.
C. She has a week to do the work.
D. She’ll visit her sister in a week.
M: Is Mr Zhang inW: No, he is out. Who is this speaking, pleaseM: James Smith. Where is the conversation taking place().
A. In a bank.
B. In the office.
C. At Mr Zhang’s home.
D. On the telephone.