Questions 12 to 15 are based on the conversation you have just heard.
A. Physical science.
B. Political science.
C. Economics.
D. Mathematics.
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Questions 9 to 11 are based on the conversation you have just heard.
A customer service representative.
B. A CEO.
C. A taxi driver.
D. A civil servant.
Questions 16 to 18 are based on the passage you have just heard.
A. To link computers.
B. To increase communication among people.
C. To change the way people work.
D. To do researches.
Questions 19 to 21 are based on the passage you have just heard.
A. It is celebrated on May 14th every year.
B. It has been celebrated nationwide less than eighty years.
C. It is observed on the second Sunday in May.
D. It originated from the modern civilization.
在窗体上画一个Text1文本框和一个CD1通用对话框控件，并编写下面程序：Private Sub Command1_Click() CD1.Flags = 1 Or 256 CD1.Action = 4 If CD1.Color >= 0 Then Text1.ForeColor = CD1.Color End IfEnd Sub运行程序并单击命令按钮，下面叙述中正确的是
A. 弹出的是颜色对话框
B. 弹出的是打开文件对话框
C. 把代码 CD1.Action = 4 改为 CD1.ShowColor 效果是一样的
D. 在弹出的对话框中选了一个颜色并单击"确定" 按钮后，会改变文本框中文本的颜色
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