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牛津深圳版初中英语九年级上册Module 1 Unit 1 单元测试题

作者UID:9673734
日期: 2024-11-25
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Most people around the world are right-handed. This also seems to be true in history. In 1799, scientists studied works of art made at different times from 1,500 B.C. to the 1950s. Most of the people shown in these works are right-handed, so the scientists guessed that right-handedness has always been common through history. Today, only about 10% to 15% of the world's population is left-handed.

Why are there more right-handed people than left-handed ones? Scientists now know that a person's two hands each have their own jobs. For most people, the left hand is used to find things or hold things. The right hand is used to work with things. This is because of the different work of the two sides of the brain. The right side of the brain, which makes a person's hands and eyes work together, controls the left hand. The left side of the brain, which controls the right hand, is the centre for thinking and doing problems. These findings show that more artists should be left-handed, and studies have found that left-handedness is twice as common among artists as among people in other jobs.

No one really knows what makes a person become right-handed instead of left-handed. Scientists have found that almost 40% of the people become left-handed because their main brain is damaged when they are born. However, this doesn't happen to everyone, so scientists guess there must be another reason why people become left-handed. One idea is that people usually get right-handed from their parents. If a person does not receive the gene (基因) for right-handedness, he / she may become either right-handed or left-handed according to the chance and the people they work or live with.

Though right-handedness is more common than left-handedness, people no longer think left-handed people are strange or unusual. A long time ago, left-handed children were made to use their right hands like other children, but today they don't have to.

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It was a touching moment at the National Zoo in Washington, US: tens of thousands of people from all over the country, and even the world, came to say goodbye to one of the area's most popular residents (居民), BaoBao—a 3-year-old panda.

BaoBao left for her new home in Chengdu, China on Feb 22. She's the first female panda born in the US and has won the hearts of many Americans. A number of goodbye events were held, including a dumpling party and cake feedings. Information about her flight was even made available online so that people could keep learning about her journey.

It had been decided that BaoBao must return to China according to an agreement between China and the US. In fact, most pandas around the world are borrowed from China and baby pandas born abroad will be sent back before they're four.

Being native to China and loved around the world, the cute black-and-white animals have played an important role in the country's diplomacy (外交). This is known as "Panda Diplomacy". Animal diplomacy dates back to the Tang Dynasty (唐朝), when Empress Wu Zetian sent a pair of pandas to the Japanese emperor. China restarted panda diplomacy in the 1950s when China sent two pandas to the Moscow Zoo. By 1982, China had given 23 pandas to nine different countries. The most famous was China's gift of two pandas, Ling-Ling and Xing-Xing, to the US in 1972 after President Richard Nixon's visit to China.

However, since early 1980s, China has stopped giving away pandas for free because their number is becoming smaller. For example, zoos in the US, UK and France "rent" pandas from China. The money they pay for the pandas, which are from tens of thousands to millions of US dollars, was used to protect and breed (繁育) the endangered animals.

Besides pandas, elephants and dogs have also been given as diplomatic gifts. In 1953, Vietnamese leader Ho Chi Minh sent Chairman Mao Zedong two Asian elephants as gifts as a symbol of the friendship between the two countries.

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