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　　河南省顶级名校2015届高三年级入学定位考试
　　英语试卷
　　第一部分 阅读理解（20*2=40）
　　A
　　Since the 1970s, scientists have been searching for ways to link the brain with computers. Brain-computer interface(BCI) technology could help people with disabilities send commands to machines.
　　Recently, two researchers, Jose Milan and Michele Tavella from the Federal Polytechnic school in Lausanne, Switzerland, demonstrated 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 band. 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 picp the signals from the scalp(头皮) and sends them to a computer. The computer interprets the signals and commands the motorized wheelchair. The wheelchair also has two cameras that identify objects in its path. They help the computer react to commands from the brain.                                              
　　Prof. Milan, the team leader, says scientists keep improving the computer software that interprets brain signals and turns them into simple commands. “The practical possibilities that BCI technology offers to disabled 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 from. And the other is to guarantee that they can use the technology over long periods of time.
　　1. BCI is a technology that can ________.
　　A. help to update computer systems    
　　B. linman brain with computers
　　C. help the disabled to recover   
　　D. control a person's thoughts 
　　2. How" did Tavella operate the wheelchair in the laboratory?                                                                     A. By controlling his muscles.      B. By talking to the machine.      
　　C. By moving his hand.              D. By using his mind.
　　3. Which of the following shows the path of the signals described in Paragraph 5?
　　A. scalp→computer→cap→wheelchair
　　B. computer→cap→scalp→wheelchair
　　C. scalp→cap→computer→wheelchair
　　D. cap→computer→scalp→wheelchair
　　4. The team will test with real patients to ________.      
　　A. make profits from them           B. prove the technology useful to them
　　C. make them live longer          D. learn about their physical condition
　　5. Which of the following would be the best title for the text?
　　A. Switzerland, the BCI Research Center
　　B. New Findings About How the Human Brain Works
　　C. BCI Could Mean More Freedom for the Disabled
　　D. Robotic Vehicles Could Help to Cure Brain Injuries
　　B
　　In the fall of 1985, I was a bright-eyed girl heading off to Howard University, aiming at a legal career and dreaming of sitting on a Supreme Court bench somewhere. Twenty-one years later I am still a bright-eyed dreamer and one with quite a different tale to tell.
　　My grandma, an amazing woman, graduated from college at the age of 65. She was the first in our family to reach that goal. But one year after I started college, she developed cancer. I made the choice to withdraw from college to care for her. It meant that school and my personal dream would have to wait.
　　Then I got married with another dream: building my family with a combination of adopted and biological children. In 1999, we adopted our first son. To lay eyes on him was fantastic---and very emotional. A year later came our second adopted boy. Then followed son No. 3. In 2003, I gave birth to another boy.
　　You can imagine how fully occupied I became, raising four boys under the age of 8. Our home was a complete zoo---a joyous zoo.