职称英语理工类阅读理解复习必备练习题(8)

　　Visual impairment carries with it a reduced or restricted ability to travel through ones physical and social environment until adequate orientation and mobility skills have been established. Because observational skills are more limited, self-control within the immediate surroundings is limited. The visual impaired person is less able to anticipate hazardous situations or obstacles to avoid. 　　Mobility, on the other hand, is theability to travel safely and efficiently from one point to another within ones physical and social environment. Good orientation skills are necessary to good mobility skills. Once visually impaired students learn to travel safely as pedestrians they also need to learn to use public transportation to become as independent as possible. 　　36 What is the author mainly talking about in the passage? 　　B The visually impaired persons physical and social environment. 　　D Orientation and mobility of the visually impaired person. 　　A is not determined by memory but by physical landmarks and clues 　　C enables him to construct the mental map 　　38 Mobility skills which the visually impaired person islearning refer to the ability . 　　B to travel as a pedestrian with a company 　　D to travel within the safe physical and social environment 　　A visually impaired children go to school for survival 　　D preschool children receive the instruction in the concepts of time and space or objects and events 　　A By helping him develop adequate orientation and mobility skills. 　　C By warning him of hazardous situations or obstacles. 　　答案 　　37 B 视觉障碍者在空间的位置：A不是靠记忆确定，而是靠物体标记和线索确定;B靠与他大脑中的其他物体的相对位置关系确定;C使他能够勾画 出大脑中的图;D强化环境在他大脑中所形成的图。 　　39 C 本段作者坚持认为：A有视觉障碍的儿童上学学习生存技能;B有视觉障碍的儿童的需要进一步扩大;C有视觉障碍的儿童获得安全移动的基本概念;D学前儿童在时空、物体和事件等概念上接受训练。