(单选题)
Which is necessary to install GazeSpeak for use according to the passage?
A.a smartphone with a camera.
B.a smartphone with re-calibration system.
C.a smartphone with a sticker on the back.
D.a smartphone connected with other setups.
参考答案:A
参考解析:
细节理解题。根据文章第二段可知,GazeSpeak应用程序结合了智能手机摄像头和人工智能,可以实时识别眼球运动,并将其转换为字母、单词和句子。由此可知,安装GazeSpeak应用程序需要一部带照相机的智能手机。故选A。
知识点: