高考英语二轮复习 专项训练 阅读理解二十一

1、阅读理解ASince the 1.970s, scientists have been searching for ways to 1 ink the brain with computers. Brain-computer 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 L

2、ausanne, Switzerland, demonstrated （展示）a small robotic wheelchair directed by a person1 s thoughts.In the laboratory, Tavella operated the wheelchair just by thinking about moving his left or right band. He could even talk as he watched the vehicle and guided it with his thoughts.“our, brain has bul

3、lions of nerve ceils. These send signals through the spinal cord （脊髓）to the muscles to give us the ability to move. 3ut spinal cord injuries or other conditions can prevent these weak electrical signals from reaching the muscles, n Tavella says. Our system allows disabled people to communicate with

4、external world and al so 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 whe.elchair. The wheelchair also has two cameras that

5、identify objects in its path. They help the computer react to commands from the brain.Prof. Millan, the team leader, says scientists keep improving the computer software that interprets brain signals and turns them into simp1e commands. The practical possibi Li ties that BCI technology offers to dis

6、abled people can be grouped in two categories: communication, and controlling devices. One example is this wheelchair.He says his team has set two goals. One is testing with real patients, so as to prove that this is a technology they can benefit front. And the other is to guarantee that they can us

7、e the technology over long periods of time.BCI is a technology that canA. help to update computer systems B. link the human brain with computersC. help the disabled to recoverD. control a person, s thoughtsHow“ did Tavella operate the wheelchair in the laboratory?A. By controlling his muscles.B. By

8、talking to the machine.C. By moving his hand.D. By using his mind.Which of the fol lowing shows the path of the signals described in Paragraph 5?scalp -* computer -*cap -*wheelchaircomputer cap f scalp wheelchairscalp -*cap -computer -*wheelchaircap f compute -*scalp -*wheelchairThe team will test w

9、ith real patients toA. make profits from themB. prove the technology useful to themC. make them live longer1). learn about their physical conditionWhich of the following would be the best title for the text?Switzerland, the BCI Research CenterNew Findings About How the Human Brain WorksBCI Could Mea

10、n More Freedom for the DisabledRobotic Vehicles Could Help to Cure Biain Injuries【文章大意】科普说明文。本文介绍了 BCI脑机接口技术，它是帮助残疾人向机器输送指令。1.答案 Bo 细节理解题。由文章 scientists have been searching tor. ays to link the brain v.ith computers. Brain - c omputer interta ce (B CI) technology could help people 可以得出答案。72.答案 Do细节理

11、解题。根据文章第 3 段 In the laboratory; Tavella operated the v.heelchair justb? thinking about moving his left or right band. He could even talk as he m atched the vehicle and guided it with his th qu ghts.得出答案。三答案C。排序题。排序题琳1通过一般是由电蟠制机器的常识即computermachine可以排除了 其他三个选项”.答案反 撷5判断题。由文章倒数第1段和第2段内容可以推出答案。”答案Co主旨大

12、意题。文章开头介绍了所说的BCI帮助残疾人发指令，那么BCI与残庆这两个关 键词应该出现在标题中，选B。Diana Jacobs thought her family had a workable plan to pay for col lege for her 21-year-old twin sons: a combination of savings, income, scholarships, and a modest amount of borrowing. Then her husband lost his job, and the plan fell apart.“I have

13、two kids in college, and I want to say come home, but at the same time I want to provide them with a good education, M says Jament rising, financial aid administrators expect to hear more families like the Jacobs.可知答案。.答案 Co 由文章倒数第二8:的 The middle class families have been financing it through debt. They kill send kids to college hatever it takes, even if that means a hu