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4) ²Î¿¼´Ê»ã£ºthe coast of the Yellow Sea, one of the world¡¯s most important wetlands, red-crowned cranes, rare birds

Welcome to Yancheng! Yancheng is a place to open up your mind.

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East or west, Yancheng landscape is best! We are here waiting for you.

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Welcome to Yancheng! Yancheng is a place to open up your mind. Yancheng is a seaside city that lies on the coast of the Yellow Sea.You can get there by bus.It is named after the salt fields around it. It has a Chinese Sea Salt Museum that displays the sea salt civilization.We can learn a lot from it.Yancheng Nature Reserve is home to Wild animals.Yancheng is famous for its red culture.For example, the New Fourth Army memorial, there you can learn stories about Anti-Japanese War.

East or west, Yancheng landscape is best! We are here waiting for you.

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During the National Day holiday in 2019, a photo on the website moved many people. It was taken on the morning of October 3rd. The 37-year-old young man Yu Lei and his father ___________________________________________________________________________________________________________________________

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What makes humans smarter than other animals? We¡¯ve got a bigger brain, of course. But when it comes to brains, is bigger always better?

Traditionally, scientists have thought that humans¡¯ better intelligence£¨Öǻۣ©came mostly from the fact that our brains are three times bigger than those of our nearest living relatives, chimpanzees. People even used to believe that men are smarter than women because men have a little larger brains.

This, however, is not the truth. Scientists at University College London in the UK have found that brain organization, and not brain size, is the key to the advantage of human intelligence, reported Live Science.

Through millions of years of gradual development, our ancestors£¨×æÏÈ£©were pushed to get smarter all the time so that they could meet the needs of new environments. However, holding this growing intelligence in increasingly large brains was not the best choice because bigger brains require more energy to power. ¡°This is when reorganization may come into play,¡± said Christophe Soligo, a member of the London research team.

In the study, scientists looked at the brains of 17 kinds of primates£¨Á鳤Ŀ¶¯Î, including monkeys, apes and humans. They found that in the process of gradual development, brains didn¡¯t keep growing as a whole. Certain parts of the brain grew more than others as needed, and in this way they could make the best use of their limited brain space.

For example, when early humans were trying hard to live, the brain region£¨ÇøÓò£© which is in charge of using tools and finding food grew in size more than other regions. But in modern times, the prefrontal cortex£¨Ç°¶îƤÖÊ£©¡ª the region in charge of social cognition (ÈÏÖª), moral judgments and goal-directed planning ¡ª grew more than the rest of the brain.

Think of the brain as a room. If a big room is poorly organized, it doesn¡¯t necessarily store more things than a smaller one.

Paul Manger, a professor, explains this using the example of whales. He told Scientific American: ¡°Whales have big brains. But if you look at the actual structure£¨½á¹¹£©of the brain, it¡¯s very simple. Brain size only matters if the rest of the brain is organized properly. ¡±

¡¾1¡¿According to the passage, in recent human development, ________.

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B.human¡¯s most regions of the brain didn¡¯t change

C.brain became simple because the brain space is limited

D.brain kept growing in size todeal with new environments

¡¾2¡¿The words ¡°in charge of¡± in Paragraph 6 probably mean ¡°________¡±.

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¡¾3¡¿The writer probably agrees that ________.

A.the difference between men and women has an effect on intelligence

B.the larger brains are usually organized better than the smaller ones

C.animals whose brains are organized properly can be smarter

D.the size of the brain has nothing to do with intelligence

¡¾4¡¿Which of the following would be the best title for the passage?

A.Is Human Brain the Biggest of All Animals¡¯?B.Do Men have bigger Brains than Women?

C.Are Human Brains Growing as a Whole?D.Does a Bigger Brain Make you Smarter?

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