31.The true value of making tools for machines lies in the exploration of the investigation of things and extension of knowledge. A: True B: False

在窗体运行时,复选框处于选中但不激活状态,表示( )。 A: Enabled为False且Value为0 B: Enabled为False且Value为1 C: Enabled为True且Value为0 D: Enabled为True且Value为1

The resolution of a sensor refers to ( ). A: Ratio of output variation to input variation B: Maximum error between measured value and true value C: Minimum value of measurable excitation signal

函数sum（“1000”,2,true）的结果是（） A: 2 B: #VALUE! C: 3 D: 1003

Which of the following statement is true? A: Value deals with the lightness or darkness of a color. B: Value is the key to the illusion of light. C: Nomatter what type of art,as long as there are dark valuesin harmony with light values, it can beaestheticallypleasing. D: Value is the most important element of art.

以下关于选择控件的叙述中，正确的是（ ）。 A: 复选框的Value属性是逻辑型 B: 单选按钮的Value属性是True表示被选中 C: 单选按钮的标题只能显示在圆形按钮的右边 D: 复选框的Value属性是True表示被选中

在HTML中，以下设置复选框默认为选中状态的是()。(选择一项) A: type="checkbox" B: value="true" C: check="true" D: checked="checked"

Visual Basic提供的单选按钮的Value属性True表示选中,False表示未选中。

单选按钮被选中时，其Value属性为（ ）。 A: 1 B: 0 C: True D: False

(True/False) Women value each other’s social status and self-motivation, and these two characteristics are closely related to the economic situation ( )