题目内容

I want to buy a good CD but_______ was available from the shop.

A. none B. neither

C. no one D. nothing

 

A

【解析】

试题分析:句意;我想买一个好的CD。但是商店里没有一个是合适的。A 没有,表示三者或三者以上的人或事物表示特指。自己需要的东西没有,即CD。 B 两者都不 C 没有人 D 什么都没有,表示泛指,指店里什么东西都没有。

考点:考查近义词辨析。

 

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Since the 1970s, scientists have been searching for ways to connect the brain with computers. Braincomputer interface(BCI) technology could help people with disabilities send commands to machines.

Recently, two scientists, Jose Millan and Michele Tavella from the Federal Polytehnic School in Lausanne, Switzerland, show 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 body cells(细胞). These send signals through the spinal cord(脊髓) to the body part to give us the ability to move. But spinal cord injuries(脊柱受伤) or other conditions can prevent these weak electrical signals from reaching the body part.” Tavella says. “Our system allows disabled people to communicate with outer world and also to control machines.”

The scientists 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 finds meanings of the signals and commands the wheelchair with an engine. The wheelchair also has two cameras that tell 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 finds meanings of brain signals and turns them into simple commands.” The practical possibilities that BCI technology offers to disabled people can be grouped in two kinds: communication, and controlling objects. 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 get advantages from. And the other is sure that they can use the technology for long.

1. BCI is a technology that can________.

A.help to make computer systems more modern

B.connect the human brain with computers

C.help the disabled to be healthier

D.control a person’s thoughts

2.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

3.The team will test with real patients to_________.

A.make money from them

B.prove the technology useful to them

C.make them live longer

D.learn about their physical condition

4.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 Sickness

 

Street art is a very popular form of art. It is quickly all over the world. You can find it on buildings and street signs from Beijing to Paris.

Art experts(专家) say that the movement began in New York in the 1960s. Young adults would use paint in specialcans to put their words and other images on walls and cars the city. One well-known street artist is Swoon. She paper images of people and puts them on walls. Swoon didn’t start her career as a street artist. She studied art, but time went on, she got bored with the works she saw in museums or galleries(美术馆). The people in New York enjoy Swoon’s strong and interesting .

Street artists do their work for a reason. Some of them choose street art because it is to the people. Some artists try to express their opinions in their works. Advertising companies also use street art in their advertisements because it gives the deep impression(印象)and energy. The New York store Saks Fifth Avenue used a street artist’s design for their shop windows and shopping bags.

In today’s world the Internet has a big on street art. Artists can show their pictures to the audience all over the world on the Internet. Many people, , say that seeing a picture on the Internet is never as good as seeing it live. Street art lives with the energy and life of a big . There it will continue to change and grow.

1.A.watchingB.makingC.spreading D.searching

2.A.behind B.byC.overD.around

3.A.cuts downB.cuts outC.turns downD.runs out

4.A.as B.afterC.beforeD.while

5.A.styleB.story C.problemD.program

6.A.saferB.lower C.closerD.stranger

7.A.hardly B.recentlyC.seldomD.never

8.A.success B.discountC.presentD.influence

9.A.anyway B.however C.otherwise D.therefore

10.A.museumB.country C.city D.street

 

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