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 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 wheelchair also has two cameras that 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 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. link the human 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
More students than ever before are taking a gap year(间隔年) before going to university. It used to be the “year off” between school and university. The gap-year phenomenon originated(起源) with the months left over to Oxbridge applicants between entrance exams in November and the start of the next academic year.
This year, 25,310 students who have accepted places in higher education institutions have put off their entry until next year, according to statistics on university entrance provided by the University and College Admissions Service (UCAS).
That is a record 14.7% increase in the number of students taking a gap year. Tony Higgins from UCAS said that the statistics are good news for everyone in higher education. “Students who take a well-planned year out are more likely to be satisfied with, and complete, their chosen course. Students who take a gap year are often more mature and responsible,” he said.
But not everyone is happy. Owain James, the president of the National Union of Students (NUS), argued that the increase is evidence of student hardship – young people are being forced into earning money before finishing their education. “New students are now aware that they are likely to leave university up to￡15,000 in debt. It is not surprising that more and more students are taking a gap year to earn money to support their study for the degree. NUS statistics show that over 40% of students are forced to work during term time and the figure increases to 90% during vacating periods,” he said.
1.What do we learn about the gap year from the text?
A. It is flexible in length.
B. It is a time for relaxation
C. It is increasingly popular
D. It is required by universities
2.According to Tony Higgins, students taking a gap year ____.
A. are better prepared for college studies
B. know a lot more about their future job
C. are more likely to leave university in debt
D. have a better chance to enter top universities
3.How does Owain James feel about the gap-year phenomenon?
A. He’s puzzled B. He’s worried
C. He’s surprised D. He’s annoyed
4.What would most students do on their vacation according to NUS statistics?
A. Attend additional courses.
B. Make plans for the new term
C. Earn money for their education
D. Prepare for their graduate studies
In ancient Egypt, a shopkeeper discovered that he could attract customers to his shop simply by making changes to its environment. Modern businesses have been following his lead, with more tactics（策略）.
One tactic involves where to display the goods. Foe example, stores place fruits and vegetables in the first section. They know that customers who buy the healthy food first will feel happy so that they will buy more junk food（垃圾食品）later in their trip. In department stores, section is generally next to the women’s cosmetics(化妆品) section：while the shop assistant is going back to find the right size shoe, bored customers are likely to wander over cosmetics they might want to try later.
Besides, businesses seek to appeal to customers’ senses. Stores notice that the smell of baked goods encourages shopping, they make their own bread each morning and then fan the bread smell into the store throughout the day. Music sells goods, too. Researchers in Britain found that when French music was played, sales of French wine went up.
When it comes to the selling of houses, businesses also use highly rewarding tactics. They find that customers make decision in the first few second upon walking in the door, and turn it into a business opportunity. A California builder designed the structure of its houses smartly. When entering the house, the customer would see the Pacific Ocean through the windows, and then the poll through an open stairway leading to the lower level. The instant view of water on both levels helped sell these $10 million houses.
1.Why do stores usually display fruits and vegetables in the first section?
A. To save customers times.
B. To show they are high quality foods.
C. To help sell junk food.
D. To sell them at discount prices.
2.According to Paragraph 3, which of the following encourages customers to buy?
A. Opening the store early in the morning.
B. Displaying British wines next to French ones.
C. Inviting customers to play music.
D. Filling the store with the smell of fresh bread.
3.What is the California builder’s story intended to prove?
A. The house structure is a key factor customers consider.
B. The more costly the house is, the better it sells.
C. An ocean view is much to the customers’ taste.
D. A good first impression increases sales.
4.What is the main purpose of the passage?
A. To explain how businesses turn people into their customers.
B. To introduces how businesses have grown from the past.
C. To report researches on customer behavior.
D. To show dishonest business practices.
Welcome to the Electronic Village to explore new ways of language teaching and learning.
Electronic Village Program(Thursday, June 18, 2015 | |
Nearpod ❖ 9:00 am to 10:00 am ❖ Room 501 Nearpod is a software program that creates a rich context (语境) for students to learn vocabulary. The presenter will show how to use it. | TEO ❖ 2:00 pin to 3:00 pm ❖ Room 502 Our students come from different backgrounds but have the same desire to learn on-line. The presenter will use examples from his first on-line class to explain how any teacher can begin teaching on-line with TEO. |
Kahoot ❖ 10:30 am to 11:30 am ❖ Room 601 Kahoot software can be used to create grammar tests which can be graded on a network. It can provide students with instant feedback (反馈), including reports about their strengths and weaknesses. | Prezi ❖ 3:30 pm to 4:20 pm ❖ Room 602 Uses of Prezi in listening and speaking courses draw students' attention to speaking more fluently. The presenter will show how students can use Prezi to confidently present on a variety of topics, including introducing family, friends, and hobbies. |
1.Nearpod can be used to ______.
A. offer grammar tests B. teach listening on-line
C. help vocabulary learning D. gain fluency in speaking
2.If you want to improve your speaking skills, you can go to____________.
A. Room 501 B. Room 502 C. Room 601 D. Room 602
3.Which of the following can assess your grammar learning?
A. Nearpod. B. Kahoot. C. TEO. D. Prezi.
4.A teacher who wants to learn on-line teaching ia expected to arrive by ______.
A. 9:00 am B. 10:30 am C. 2:00 pm D. 3:30 pm
假定你是李华，你和你的朋友打算在学校创办一个英语读书俱乐部，请写信给你的美国朋友Peter，介绍一下俱乐部的创办目的和运作情况，希望对方提出建议。
注意：1．词数100左右，文章开头和结尾已给出，不计入总词数；
2．可以适当增加细节，以使行文连贯。
Dear Peter，
How is everything going? I'm writing to ask you some advice on our English reading club．
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Looking forward to your early reply.
Yours sincerely,
Li Hua
下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下画一横线，并在该词下面写上修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者(从第11处起)不计分。
As it is known to us, fewer and fewer students do sports regularly, what makes them weak and easily tired. There are many reasons about this. First of all, some of the students complained that they have too many homework, resulting in less time to take exercise. Beside, some of them think that it is very difficulty for them to keep doing exercise, because it is a very hard thing.
Because lack of physical activities, many students are in poor health. I suggest that our school must take measures to encourage more students to take part in sports. For us students, no matter what busy we are, it is necessary to spare some time to do exercise.
