Among all the computer pointing devices, touch screen is the most expensive one.（）
A、True
B、False
C、Not Given
A、True
B、False
C、Not Given
【参考答案及解析】
利用题干句中的特征词 touch screen作为线索,在文中查到相关句“ Other computer pointing devices include light pens, graphics tablets and touch screen, but the mouse still our work-horse.”,但是文中并没有提到触摸屏是所有设备中最贵的一种。
利用题干句中的特征词 touch screen作为线索,在文中查到相关句“ Other computer pointing devices include light pens, graphics tablets and touch screen, but the mouse still our work-horse.”,但是文中并没有提到触摸屏是所有设备中最贵的一种。