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【简答题】
在名称为Form1的窗体上添加一个名称为Label1、标题为“添加项目”的标签;添加一个名称为Text1的文本框,初始内容为空;添加一个名称为Combol的下拉式组合框,并通过属性窗口输入若干项目(不少于3个,内容任意);再添加两个命令按,名称分别为Command1、Command2,其标题分别为“添加”、“统计”。在程序运行时,向Textl中输入字符,单击“添加”按,则将Textl中的内容作为一个列表项被添加到组合框的列表中;单击“统计”按,则在窗体空白处显示组合框中列表项的个数,如图所示。请编写两个命令按的Click事件过程。 注意:不得使用变量,也不能使用循环结构。存盘时必须存放在考生文件夹下,工程文件名保存为sjt3.vbp,窗体文件名保存为sjt3.frm。
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参考答案:
举一反三
【单选题】The group ' U. S. English' believes that the spread of Spanish ______.
A.
adds color to the muhicultural society
B.
poses enough threat to national unity
C.
creates more jobs for the immigrants
D.
causes trouble with regard to equality
【单选题】U1-- The doctors are at a loss because no medicine has been found to _________ the spread of the disease so far.
A.
pr
B.
inhibit
C.
escape
D.
help
【判断题】U206 We should be alarmed by the spread of nuclear weapon.
A.
正确
B.
错误
【单选题】【C16】
A.
twenty volumes
B.
twenty-volume
C.
twenty volume
D.
twenty-volumes
【单选题】The building is ___.
A.
twenty-metre-high
B.
twenty metre high
C.
twenty-metres-high
D.
twenty metres high
【判断题】hibernate事务相关配置通常配置在hibernate.cfg.xml文件中。
A.
正确
B.
错误
【简答题】Passage 1 Tracking the spread of deadly new coronavirus with a map This map created by Johns Hopkins University's Center for Systems Science and Engineering on January 22 tracks the spread and locatio...
【单选题】With the rapid spread of the internet eye where in the world, and the (1)_____ number of users, one of the most exciting developments on the internet is E-commerce—(2)_____ commerce. E-commerce has tw...
A.
increasing
B.
spreading
C.
decreasing
D.
raising
【简答题】The spread of u____(城市的) areas eners wildlife.
【判断题】在hibernate.cfg.xml文件中配置数据库方言是org.hibernate.dialect.MySQLDialect。
A.
正确
B.
错误
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