如何做细节理解题七 六、排列顺序题
排列顺序题要求考生根据事件发生的先后顺序和句子之间的逻辑关系,找出事件发生的正确顺序。做这种题时可采用“首尾定位法”,即最先找出第一个事件和最后一个事件,迅速缩小选择范围,从而快速选出正确答案。
Since the 1970s,scientists have been searching for ways to link the brain with computers.Braincomputer interface(BCI)technology could help people with disabilities send commands to machines.
Recently,two researchers,Jose Millan and Michele Tavella from the Federal Polytechnic School in Lausanne,Switzerland,demonstrated(展示)a small robotic wheelchair directed by a person's thoughts.
In the laboratory,Tavella operated the wheelchair just by thinking about moving his left or right hand.He could even talk as he watched the vehicle and guided it with his thoughts.
“Our brain has billions of nerve cells.These send signals through the spinal cord(脊髓)to the muscles to give us the ability to move.But spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles,”Tavella says.“Our system allows disabled people to communicate with external world and also to control devices.”
The researchers designed a special cap for the user.This head cover picks up the signals from the scalp(头皮)and sends them to a computer.The computer interprets the signals and commands the motorized wheelchair.The
【2017高三英语二轮复习(江苏专用)主题36“记”:航天科技】相关文章:
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(16)附答案
★ 【三维设计】2017届高考英语(江苏专用)二轮复习素材:高考写作6类背诵宝典 1.书面表达常用词汇
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(19)附答案
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(11)附答案
★ 重庆市2014高考英语阅读理解一轮(精品)训练题(15)附答案
★ 【三维设计】2017届高考英语(江苏专用)二轮复习完形填空解题技法示范课件:3
★ 【三维设计】2017届高考英语(江苏专用)二轮复习高考单词5大记忆法课件:3.谐音记忆法
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21