单选题：Such a database would be extremely costly to set up.

题目内容：

Such a database would be extremely costly to set up. A．transfer
B．destroy
C．establish
D．update

参考答案：

答案解析：

请将显示器的屏幕分辨率设置为800×600像素，颜色质量设置为【最高(32位)】，将显示器的DPI设置为【正常尺寸(96

请将显示器的屏幕分辨率设置为800×600像素，颜色质量设置为【最高(32位)】，将显示器的DPI设置为【正常尺寸(96DPI)】，并要求设置【在应用新的显示

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