题目内容

When George Lewis, an (61) thief, went into a department store in Poole, he wasn’t (62) too many problems. There were several other (63) in the shop and he waited until he thought (64) was looking and then began (65) things into his bag. (66) as he was walking out of the shop, five pairs of hands suddenly caught him (67) . The store detective asked him (68) the shop and then told him to open his (69) . It (70) three shirts, two pairs of trousers and a leather jacket. The store manger asked (71) his receipt (收据) was and he said he didn’t have (72) . "I couldn’t (73) a changing room free, (74) I was taking the clothes (75) to try them on," he said. Five minutes later he admitted that he (76) the clothes. The police (77) and arrested him. The (78) of the store later said that the thief had not (79) a very good day to steal, "we were holding a (80) course — there were twenty of them!\

A. thief
B. assistant
C. customer
D. manager

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在数据库理论中,数据库总体逻辑结构的改变,如修改数据模式、增加新的数据类型、改变数据间联系等,不需要修改相应的应用程序,称为 【5】 。

在窗体上画一个名称为Command1的命令按钮和三个名称分别为Label1、Label2、Labet3的标签,然后编写如下代码: Private x AS Integer Private Sub Command1_Click( ) Static y As Integer Dim 2 As Integer n=10 Z=n+2 y=y+2 X=X+2 Label1.Caption=x Label2.Caption=y Label3.Caption=z End Sub 运行程序,连续三次单击命令按钮后,则三个标签中显示的内容分别是

A. 10 10 10
B. 30 30 30
C. 30 30 10
D. 10 30 30

算法执行过程中,所需要的基本运算次数称为算法的 【1】 。

除依法律规定或依合同性质不得抵销的外,抵销是依据一方意思就可发生效力的,因此是单方法律行为。( )

A. 对
B. 错

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