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[主观题]

If our brains were computers, wed simply add a chip to upgrade our memory. The human brai

n, therefore, is more【M1】______ complex than even the most advanced machine, so improving our memory isn t quite so easy. Just as it takes effort to build physical fitness, so is boosting brain power.【M2】______ A strong memory depends on the health and vital of your【M3】______ brain. Whether youre a student studying for final exams, a working professional interested in doing all he can to stay【M4】______ mentally sharp, and a senior looking to preserve and enhance【M5】______ your intelligence as you age, there are lots of things from【M6】______ which you can do to improve your memory and mental performance. They say that you cant teach an old dog new tricks, but when it comes to the brain, scientists have discovered that this old proverb simply isnt true. The human brain has astonishing ability to adapt and change—even into【M7】______ older age. This ability is known as neuroplasticity. With the【M8】______ right stimulation, your brain can form. new neural pathways, alter existing connections, and adapt and react in ever-changing ways. The brains incredible ability to reshape itself hold true【M9】______ when it comes to learning and memorizing. You can harness【M10】______ the natural power of neuroplasticity to increase your cognitive abilities, enhance your ability to learn new information, and improve your memory.

【M1】

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发布时间：2020-02-27

更多“If our brains were computers, wed simply add a chip to upgrade our memory. The human brai”相关的问题

第1题

More than three million years ago, our ancestors were already on the march, rising on two

legs to search for food, seek greener lands and, above all, to grow in body and brain. Let's meet some of them:

1. Australopithecus afarensis

They had ape-like faces and their brains were a third the size of modem humans' brains. They lived 3-3.9 million years ago. Fossils were found in Ethiopia in 1974.

2. Paranthropus boisei

Covered with fur, they had strong arms and gorilla-like faces. They lived 1-2.5 million years ago. Fossils were found in Tanzania in 1959.

3. Homo habilis

Homo habilis, which actually means "handy man", was the first species to make and use primitive stone tools. They lived 1.6-2.2 million years ago. Fossils were found in Tanzania in 1960.

4. Homo erectus

With skeletons very similar to those of modern humans, they were probably the first to use fire. They lived 30,000-1.8 million years ago. Fossils have been found in Africa and Asia since 1893.

5. Homo heidelbergensis

They were skilled hunters who used spears to kill animals. Their bodies were similar to ours, although more muscular and larger boned. They lived 200,000-500,000 years ago. Fossils have been found in Ethiopia, Germany, France and Spain since 1921.

6. Homo Neanderthal

Their brains were at least as large as those of the average modem humans, while their smaller bodies helped them deal with cold climates. They lived 30,000-230,000 years ago. Fossils have been found in France and Iraq since 1856.

What is considered more important in the development of the human？

A．Man could stand on two feet.

B．Man's brain became big enough.

C．Man's arms became strong.

D．Man could use the stone tools.

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第2题

Chemical reactions in our brains change with what we think.A．YB．NC．NG

Chemical reactions in our brains change with what we think.

A．Y

B．N

C．NG

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第3题

During recent years we have heard much about "race": how this race does certain things and

that race believes certain things and so on. Yet, the 【21】______ phenomenon of race consists of a few surface indications.

We judge race usually 【22】______ the coloring of the skin: a white race, a brown race, a yellow race and a black race. But 【23】______ you were to remove the skin you could not 【24】______ anything about the race to which the individual belonged. There is 【25】______ in physical structure, the brain or the internal organs to 【26】______ a difference.

There are four types of blood. 【27】______ types are found in every race, and no type is distinct to any race. Human brains are the 【28】______ . No scientists could examine a brain and tell you the race to which the individual belonged. Brains will 【29】______ in size, but this occurs within every race. 【30】______ does size have anything to do with intelligence. The largest brain 【31】______ examined belonged to a person of weak 【32】______ .On the other hand, some of our most distinguished people have had 【33】______ brains.

Mental tests which are reasonably 【34】______ show no differences in intelligence between races. High and low test results both can be recorded by different members of any race. 【35】______ equal educational advantages, there will be no difference in average standings, either on account of race or geographical location. Individuals of every race 【36】______ civilization to go backward or forward. Training and education can change the response of a group of people, 【37】______ enable them to behave in a 【38】______ way.

The behavior. and ideals of people change according to circumstances, but they can always go back or go on to something new 【39】______ is better and higher than anything 【40】______ the past.

【21】

A．complete

B．full

C．total

D．whole

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第4题

We should not rely on pocket calculators because ______.A．they are not clever as our brain

We should not rely on pocket calculators because ______.

A．they are not clever as our brains

B．they are harmful to our brains

C．we need to use our brains to prevent it from shrinking

D．we could not get enough practice on mathematics

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第5题

根据以下材料，回答题The Bilingual BrainWhen Karl Kim immigrated to the United States from K

根据以下材料，回答题

The Bilingual Brain

When Karl Kim immigrated to the United States from Korea"s a teenager， he had a hard time learning English. Now he speaks it fluently， and he had a unique opportunity to see how our brains adapt to a second language. As a graduate student， Kim worked in the lab of Joy Hirsch， a neuroscientist in New York. __________ （46） They found evidence that children and adults don"t use the same parts of the brain when they leam a second language.

The researchers used an instrument called an MRI （magnetic resonance imaging） scanner to study the brains of two groups of bilingual people. __________ （47） The other consisted of people who， like Kim， learned their second language later in life. People from both groups were placed inside the MRI scanner. This allowed Kim and Hirsch to see which parts of the brain were getting more blood and were more active. They asked people from both groups to think about what they had done the day before， first in one language and then the other. They couldn"t speak out loud because any movement would disrupt the scanning.

Kim and Hirsch looked specifically at two language centers in the brain —— Broca"s area， which is believed to control speech production， and Wemicke"s area， which is thought to process meaning.

Kim and Hirsch found that both groups of people used the same part of Wernicke"s area no matter what language they were speaking. __________ （48）

People who learned a second language as children used the same region in Broca"s area for both their first and second languages. People who learned a second language later in life used a different part of Broca"s area for their second language. __________ （49） Hirsch believes that when language is first being programmed in young children， their brains may mix the sounds and structures of all languages in the same area. Once that programming is complete， the processing of a new language must be taken over by a different part of the brain.

A second possibility is simply that we may acquire languages differently as children than we do as adults. Hirsch thinks that mothers teach a baby to speak by using different methods involving touch， sound， and sight. __________ （50）

回答（46）题查看材料

A.But their use of Broca"s area was different.

B.One group consisted of those who had learned a second language as children.

C.How does Hirsch explain this difference？

D.We use special parts of the brain for language learning.

E.And that is very different from learning a languase in a high school or college class.

F.Their work led to an important discovery.

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第6题

The doctor’s test show that ________.A) our brains shrink as we grow olderB) the fr

The doctor’s test show that ________.

A) our brains shrink as we grow older

B) the front section of the brain does not shrink

C) sixty-year-olds have the better brains than thirty-year-olds

D) some people’s brains have contracted more than other people’s

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第7题

During recent years we have heard much about "race": how this race does certain things and

that race believes certain things and so on. Yet, the【C1】______phenomenon of race consists of a few surface indications.

We judge race usually【C2】______the coloring of the skin: a white race, a brown race, a yellow race and a black race. But【C3】______you were to remove the skin you could not【C4】______anything about the race to which the individual belonged. There is【C5】______in physical structure. The brain or the internal organs to【C6】______a difference.

There are four types of blood.【C7】______types are found in every race, and no type is distinct to any race. Human brains are the【C8】______. No scientists could examine a brain and tell you the race to which the individual belonged. Brains will【C9】______in size, but this occurs within every race.【C10】______does size have anything to do with intelligence. The largest brain【C11】______examined belonged to a person of weak【C12】______. On the other hand, some of our most distinguished people have had【C13】______brains.

Mental tests which are reasonably【C14】______show no differences in intelligence between races. High and low test results both can be recorded by different members of any race.【C15】______equal educational ad vantages, there will be no difference in average standings, either on account of race or geographical location.

Individuals of every race【C16】______civilization to go backward or forward. Training and education can change the response of a group of people,【C17】______enable them to behave in a【C18】______way.

The behavior. and ideals of people change according to circumstances, but they can always go back or go on to something new【C19】______is better and higher than anything【C20】______the past.

【C1】

A．complete

B．full

C．total

D．whole

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第8题

根据材料请回答 41～45 题 Public Health in RomeThe Romans built great "aqueducts" to carr

根据材料请回答 41～45 题

Public Health in Rome

The Romans built great "aqueducts" to carry fresh water from the mountains to the cities.Many of these aqueducts are still standing today.The Romans also built great pipes under the ground to carry away the sewage(污水).In Rome, these sewage pipes (sewers)are still used today; it is 2,000 years old.The Roman Emperors even set up a government health service.They built the first great public hospitals in Europe, and they paid doctors to look after poor people.When the Roman Empire fell to pieces, these civilized methods of treatment disappeared from most of Europe, for more than a thousand years.People went back to the old ways.They lived in dirty conditions which helped to cause diseases; and they asked God to cure the diseases.They shut up mentally sick people in prisons.Or they burnt them alive because they were supposed to have magic power.And the work of the Greek and Roman doctors was lost.

Over a thousand years ago, the Arabs moved into many of the Mediterranean coun-tries.They took big parts of the old Roman lands.They translated the Greek and Roman medical books into Arabic.Arab, doctors themselves made many new discoveries.When civilization at last came back to Europe, men once again translated the Greek and Roman works on medicine into Latin.Slowly European doctors discovered again the things that the Greeks and Romans had known so long ago.They found out more about the way the body works, the way our blood goes round our bodies, the way our nerves send messages from our brains to our muscles, the way these muscles move our bodies.

第 41 题 The word "aqueduct" probably means__________

A．something which was built long ago.

B．something invented by a Roman Emperor.

C．a big pipe under the ground,

D．something built to supply clean water for the citizens.

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第9题

It is an astonishing fact that there are laws of nature, rules that summarize conveniently

-【21】qualitatively but quantitatively - how the world works. We might【22】a universe in which there are no such laws, in which the 108 elementary particles that【23】a universe like our own behave with utter and uncompromising abandon. To understand such a universe we would need a brain【24】as massive as the universe. It seems【25】that such a universe could have life and intelligence, because being and brains【26】some degree of internal stability and order. But【27】in a much more random universe there were such beings with an intelligence much【28】than our own, there could not be much knowledge, passion or joy.

【29】for us, we live in a universe that has at least important parts that are knowable. Our common-sense experience and our evolutionary history have【30】us to understand something of the workaday world. When we go into other realms, however, common sense and ordinary intuition【31】highly unreliable guides. It is stunning that as we go close to the speed of light our mass【32】indefinitely, we shrink toward zero thickness【33】the direction of motion, and time for us comes as near to stopping as we would like. Many people think that this is silly, and every week【34】I get a letter from someone who complains to me about it. But it is virtually certain consequence not just of experiment but also of Albert Einstein's【35】analysis of space and time called the Special Theory of Relativity. It does not matter that these effects seem unreasonable to us. We are not【36】the habit of traveling close to the speed of light. The testimony of our common sense is suspect at high velocities.

The idea that the world places restrictions on【37】humans might do is frustrating. Why shouldn't we be able to have intermediate rotational positions？ Why can't we【38】faster than the speed of light？ But【39】we can tell, this is the way the universe is constructed. Such prohibitions not only【40】us toward a little humility; they also make the world more knowable.

(1)

A．just

B．very

C．just not

D．not just

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第10题

During recent years, we have heard much about "race": how this race does certain things an

d that race believes certain things and so on. Yet, the complete phenomenon of race【B1】a few surface indications.

We judge race usually【B2】the coloring of the skin: a white race, a brown race, a yellow race and a black race. But【B3】you were to remove the skin, you could not tell anything about the race【B4】which the individual belonged. There is【B5】in physical structure, the brain or the internal organs to【B6】a difference.

There are four types of blood.【B7】types are found in every race, and no type is distinct to any race. Human brains are the【B8】. No scientists could examine a brain and tell you the race to which the individual belonged. Brains will【B9】in size, but this occurs within every race.【B10】does size have anything to do with intelligence. The largest brain【B11】examined belonged to a person of weak【B12】. On the other hand, some of our most distinguished people have had【B13】brains.

Mental tests which are reasonably【B14】show no differences in intelligence between races. High and low test results both can be recorded by different members of any race,【B15】equal educational experience, there will be no difference in average intelligence, either on account of race or geographical location.

Individuals of every race【B16】civilization to go backward or forward. Training and education can change the response of a group of people,【B17】enable them to behave in a【B18】way.

The behavior. and ideals of people change according to circumstances, but they can always go back or go on to something new【B19】is better and higher than anything【B20】the past.

【B1】

A．consists of

B．is consisted of

C．consisted of

D．consist of

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