题目内容
The way ______ ______ (通往)the top of the hill was built last year by villagers.
If you think English means endless new words, difficult grammar and sometimes strange pronunciation, you are wrong. Haven’t you noticed that you have become smarter since you started to learn a language?
According to a new study by a British university, learning a second language can lead to an increase in your brain power. Researchers found that learning other languages changes grey matter. This is the area of the brain which processes information. It is similar to the way that exercise builds muscles.
The study also found the earlier people learn a second language, the greater the effect is.
A team led by Dr. Andrea Mechelli, from University College London(UCL), took a group of Britons who only spoke English. They were compared with a group of “early bilinguals(通两种语言的人)”, who had learnt a second language before the age of five, as well as a number of later learners.
Scans showed that grey matter density in the brain was greater in bilinguals than in people without a second language. But the longer a person waited before mastering a new language, the smaller the difference was.
“Our findings suggest that the structure of the brain is changed by the experience of learning a second language,” said the scientists.
It means that the change itself increases the ability to learn.
Professor Dylan Vaughan Jones of the University of Wales, has researched the link between bilingualism and maths skills.
“Having two languages gives you two windows on the world and makes the brain more flexible,” he said, “You are actually going beyond language and have a better understanding of different ideas.”
The findings were matched in a study of native Italian speakers who had learned English as a second language between the ages of 2 and 34. Reading, writing and comprehension were all tested. The results showed that the earlier they started to learn, the better. “Studying a language means you get an entrance to another world,” explained the scientists.
【小题1】 What does the underlined part “grey matter” (in Paragraph 2) refer to?
| A．Grey hair. | B．Material of the brain. |
| C．Intelligence. | D．Difficult situations. |
| A．change one’s brain completely | B．improve one’s maths skills |
| C．make one smarter than others | D．increase the ability to learn |
| A．the researchers from UCL did another study in Italy |
| B．a similar study was done on native Italian speakers who learn English as a second language |
| C．the research done on the Italians showed a totally different result |
| D．it will be easier for one to travel around the world by learning a second language |
| A．Learning a second language can help improve your brain power. |
| B．You should learn a second language that is not your native language. |
| C．If you want to learn a second language, you should do it at a certain age. |
| D．The research done by the researchers from UCL is very successful. |
PEOPLE who have had a painful experience may wish they could wipe the memory from their minds. Researchers at Johns Hopkins University, US, say that this may someday be possible.
A drug remains far off, but researchers have laid a foundation with their discovery that proteins can be removed from the brain’s fear center to cut memories forever.
Previous research had already shown that a special behavior therapy (治疗) could cut painful memories. But relapse (复发) was possible because the memory hadn’t necessarily disappeared.
By looking at that process, Richard Huganir and Roger Clem, two researchers from Johns Hopkins University, discovered a “window of vulnerability (脆弱的窗口)” when proteins are created. The proteins help signals travel within the brain as painful memories are made. Because the proteins are unstable, they can be easily removed with drugs or behavior therapy to cut memories.
Researchers used mice to find the window, but think the process would be the same in humans. They used electric shocks to make the mice fear a certain sound. The sound triggered (触发) the creation of the proteins, called calcium-permeable (钙通透性) AMPARS, which formed for a day or two in the fear centers of the mice’s brains.
The researchers are working on ways to reopen the window by recalling (唤醒) the painful memory and using drugs to remove the protein. They published their report online last month in Science Express.
Their research has drawn interest and concern from experts in mental healthcare.
Kate Farinholt, a mental health expert with the National Alliance on Mental Illness, Maryland, US, said many people suffering from a painful event might benefit from erasing a memory. “Erasing a memory and then everything bad built on that is an amazing idea, and I can see all sorts of potential ,” she said.
But there are a lot of unanswered questions, too.
“Completely deleting a memory is a little scary. How do you remove a memory without removing a part of someone’s life,” Farinholt said. “And is it best to do that, considering that people grow and learn from their experiences?”
【小题1】What have researchers at Johns Hopkins University found recently?
| A．A new drug to erase painful memories from human brains. |
| B．A special behavior therapy to erase painful memories. |
| C．Removing certain proteins from the brain can wipe painful memories. |
| D．Erasing memory damages a patient’s brain functions. |
| A．The way the brain cells are created. |
| B．The unstable character of the proteins in the brain. |
| C．The strength of the signals the proteins send. |
| D．The drugs that can stop the formation of memories. |
a. removal of fear proteins b. making mice fear a certain sound
c. fear proteins created in mice brains d. making mice recall painful memories
| A．a-b-c-d | B．d-a-c-b | C．b-c-d-a | D．c-b-d-a |
| A．People may lose the chance to learn from their bad experiences. |
| B．The research will be a great breakthrough in treating painful memories. |
| C．People could suffer long-term memory loss. |
| D．People could forget happy memories as well. |
If you think English means endless new words, difficult grammar and sometimes strange pronunciation, you are wrong. Haven’t you noticed that you have become smarter since you started to learn a language?
According to a new study by a British university, learning a second language can lead to an increase in your brain power. Researchers found that learning other languages changes grey matter. This is the area of the brain which processes information. It is similar to the way that exercise builds muscles.
The study also found the earlier people learn a second language, the greater the effect is.
A team led by Dr. Andrea Mechelli, from University College London(UCL), took a group of Britons who only spoke English. They were compared with a group of “early bilinguals(通两种语言的人)”, who had learnt a second language before the age of five,as well as a number of later learners.
Scans showed that grey matter density in the brain was greater in bilinguals than in people without a second language. But the longer a person waited before mastering a new language, the smaller the difference was.
“Our findings suggest that the structure of the brain is changed by the experience of learning a second language,” said the scientists.
It means that the change itself increases the ability to learn.
Professor Dylan Vaughan Jones of the University of Wales, has researched the link between bilingualism and maths skills.
“Having two languages gives you two windows on the world and makes the brain more flexible,” he said, “You are actually going beyond language and have a better understanding of different ideas.”
The findings were matched in a study of native Italian speakers who had learned English as a second language between the ages of 2and 34.Reading, writing and comprehension were all tested. The results showed that the earlier they started to learn, the better. “Studying a language means you get an entrance to another world,” explained the scientists.
1. What does the underlined part “grey matter” (in Paragraph 2) refer to?
|
A．Grey hair. |
B．Material of the brain. |
|
C．Intelligence. |
D．Difficult situations. |
2. The experience of learning a second language can ________.
|
A．change one’s brain completely |
B．improve one’s maths skills |
|
C．make one smarter than others |
D．increase the ability to learn |
3.We can learn from the passage that ________.
|
A．the researchers from UCL did another study in Italy |
|
B．a similar study was done on native Italian speakers who learn English as a second language |
|
C．the research done on the Italians showed a totally different result |
|
D．it will be easier for one to travel around the world by learning a second language |
4.What’s the main idea of the passage?
|
A．Learning a second language can help improve your brain power. |
|
B．You should learn a second language that is not your native language. |
|
C．If you want to learn a second language, you should do it at a certain age. |
|
D．The research done by the researchers from UCL is very successful. |