The scientists are beating their brains, tryi...

The scientists are beating their brains, trying to ______ a solution to the problem.

A. look up to        B. live up to            C. come up with    　　 D. keep up with

高二英语单项填空中等难度题查看答案及解析

The scientists are beating their brains trying to _______ a solution to the problem.

A．come about        B．come across       C．come out          D．come up with

高二英语单项填空中等难度题查看答案及解析

Medical scientists are already putting computer chips（芯片）directly into the brain to help people who have Parkinson’s disease, but in what other ways might computer technology be able to help us? Ray Kurzweil is the author of the successful book The Age Of Intelligent Machines. He is also one of the world’s best computer research scientists. He is researching the possibilities.

Kurzweil gets computers to recognize voices. An example of this is Ramona, the virtual hostess of Kurzweil’s website, created by the computer, who is able to understand what you say. Visitors to the website can have their own conversations with her. Ramona also dances and sings.

Kurzweil uses this technology to help people with physical problems. One of his ideas is a “seeing machine”. This will be “like a friend that could describe what is going on around,” he explains. Blind people will use a sensor（传感器）which will probably be built into a pair of sunglasses. This machine will describe to the person everything it sees.

Another idea, which is likely to help deaf people, is the “listening machine”. This invention will recognize millions of words and understand any speaker. The listening machine will also be able to translate what it hears into other languages, so even people without hearing problems are likely to be interested in using it.

But it is not just about helping people with physical problems. Looking further into future, Kurzweil sees a time when we will be able to store what we hear, see and think in a computer. This technology probably won’t be ready for at least 50 years, but when it arrives, it means our minds will be able to live forever.

1.Ray Kurzweil is 　　　　 .

A. a famous medical scientist

B. a computer research scientist

C. a patient with Parkinson’s

D. an inventor of computer chips

2. What can Ramona do?

A. She can talk with her visitors.

B. She can treat brain diseases.

C. She can help deaf people listen.

D. She can teach people to sing.

3. How can the “seeing machine” help blind people?

A. It can help to treat their eyes.

B. It can translate into other languages.

C. It can help them to see the future.

D. It can describe to them what it sees.

4. The word “virtual” in Paragraph 2 probably means 　　　　 .

A. 虚拟的　　　　　　 B. 友好的　　　　 C. 漂亮的　　　　 D. 忙碌的

5.What can be the best title for the text?

A. The Seeing Machines

B. The Listening Machines

C. The Intelligent Machines

D. The Translating Machines

高二英语阅读理解中等难度题查看答案及解析

Scientists are trying to make the deserts into good land again． They want to bring water to the deserts， so people can live and grow food． They are learning a lot about the deserts． But more and more of the earth is becoming desert all the time． Scientists may not be able to change the desert in time．

Why is more and more land becoming desert？ Scientists think that people make deserts． People are doing bad things to the earth．

Some places on the earth don't get much rain． But they still don't become deserts． This is because some green plants are growing there． Small green plants and grass are very important to dry places． Plants don't let the sun make the earth even drier． Plants do not let the wind blow the dirt away． When a bit of rain falls， the plants hold the water． Without plants， the land can become desert more easily．

1. Deserts ＿＿＿＿＿＿＿＿ ．

A． never have any plants or animals in them

B． can all be turned into good land before long

C． are becoming smaller and smaller            D． get very little rain

2. Small green plants are very important to dry places because ＿＿＿＿＿＿＿＿ ．

A． they don't let the sun make the earth even drier

B． they don't let the wind blow the soil away

C． they hold water                           D． All of the above．

3. Land is becoming desert little by little because ＿＿＿＿＿＿．

A． plants can't grow there             B． there is not enough rain

C． people haven't done what scientists wish them to do

D． scientists know little about the deserts

4. Which is the main idea of the first paragraph？

A． Scientists know how to change desert into good land．

B． Land is becoming desert faster than scientists can change it back into good land．

C． If scientists can bring water to desert， people can live and grow food  there．

D． More and more places are becoming deserts all the time．

高二英语阅读理解中等难度题查看答案及解析

Since the 1970s, scientists have been searching for ways to connect the brain with computers. Brain-computer 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, showed 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 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 to ensure that they can use the technology over a long period of time.

1.BCI is a technology that can _______.

A. help to update computer systems　　 B. control a person’s thoughts

C. help the disabled to recover　　 D. connect the human brain with computers

2.How did Tavella operate the wheelchair in the laboratory?

A. By controlling his muscles.　　 B. By using his mind.

C. By moving his hand.　　 D. By talking to the machine.

3.Which of the following shows the path of the signals described in Paragraph 4?

A. scalp→cap→computer→wheelchair　　 B. computer→cap→scalp→wheelchair

C. scalp→computer→cap→wheelchair　　 D. cap→computer→scalp→wheelchair

4.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

5.Which of the following statements is FALSE?

A. Scientists have been looking for ways to link the brain with computers.

B. The wheelchair designed by Millan and Tavella is directed by a person’s thoughts.

C. Spinal cord injuries can prevent these weak electrical signals from reaching the body part.

D. The wheelchair has been put in use and benefited real patients.

高二英语阅读理解困难题查看答案及解析

Since the 1970s, scientists have been searching for ways to link the brain with computers. Brain-computer interface (界面) (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（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. 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. 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

4. Which of the following would be the best title for the text?

A. BCI Could Mean More Freedom for the Disabled

B. New Findings about How the Human Brain Works

C. Switzerland, the BCI Research Center

D. Robotic Vehicles Could Help to Cure Brain Injuries

高二英语阅读理解中等难度题查看答案及解析

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

高二英语阅读理解中等难度题查看答案及解析

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

Recently, two researchers, Jose Milan and Michele Tavella from the Federal Polytechnic schooling 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. 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. 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.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

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 Injuries

高二英语阅读理解中等难度题查看答案及解析

—Any danger for the patient ________ on by Dr. Smith?

—Hard to say. Doctors are trying their best.

A. is operated　　 B. being operated

C. operating　　 D. having been operated

高二英语单项填空困难题查看答案及解析

Some scientists found that the woman’s brain is mainly built for the ability to understand other people. But man’s brain is mainly to build systems. 1. For example, women are more likely to read magazines on fashion and parenting, while men will choose magazines that feature computers and sport.

You may think that these preferences are influenced by the way people are taught to behave when they are growing up. However, this is not the case. A new study carried out at Cambridge University shows that newborn girls look longer at a face, and newborn boys look longer at a mobile.2. It has also been observed (that girls are better at noticing signs of changes in other people’s feelings. Boys, however, seem to enjoy building toy towers and playing with toys which have clear functions. 3.People whose jobs are in the construction industries are almost male. Math and engineering, which require high levels of systems-thinking, are also male-chosen disciplines. Why do men and women have the difference? Actually women have four times as many brain neurons that connect the right and left part of their brains. Because of it, women have a better ability to multitask than men. 4. Men tend to focus on a limited number of problems at a time. They will separate themselves from problems and view tasks as independent from one another.

Some people may worry that I am suggesting one gender (性别) is better than the other, but this is not the case. My theory says that males and females differ in the kinds of things that they find easy, but that both genders have their strengths and weaknesses. 5.It is not true. The study simply looks at males and females as two groups, and asks what differences exist, and why they are there.

A. You can see the same kind of pattern in the adult workplace.

B. That suggests certain differences between male and female brains are biological.

C. Generally speaking, there are clear differences.

D. It is important to stress that the female brain may be built more for empathy.

E. They will consider many sources of information at the same time.

F. Their preference for building systems may change over time.

G. Others may think the theory creates a belief of what a particular type of person is like.

高二英语七选五中等难度题查看答案及解析