阅读下面短文，根据短文内容回答下列小题。

    Do you know what are the World's tallest animals? How do they sleep and drink?

   You may think it's difficult for them to sleep, but they have no such problems because giraffes don't often stop for a snooze(打盹). As they are so tall—males can grow up to 18 feet, giraffes actually have the shortest sleep requirement of all mamma1s哺乳动物), with an average(平均) of half an hour a day. When they sleep, they seldom lie down and sleep for minutes at a time, since it's difficult for them to get up again and it's dangerous in the wild. But the giraffe in the zoo sleeps around 4.6 hours per day, mostly at night. It usually sleeps lying down.

     Drinking Water may cause problems for the animals because their long necks are too short to reach the ground. To drink they must spread their legs in an uncomfortable position, which makes them easily hunted by other animals like Africa's big cats. As a result. thev get most of their water from the plants that they eat. They only need to drink water every few days.

    Mr Green is our foreign(外国的)teacher. He is a good teacher. He likes to teach us a lot, and he is nice to every student. His lessons are very interesting. We usually have fun in his classes. We all like him.

    He is a tall and strong man. He says he is 40 years old. But he looks very young. He comes from the USA. Now he lives in Nanjing with his family. He has a daughter. She is a pretty girl. And she studies at our school too.

    Mr Green is very"in". He can sing many English songs. We all like to listen to him singing. He also likes sports. He is in the school basketball team. Mr Green likes reading. He has lots of books. We often borrow books from him.

I think we are lucky(幸运的)to have a teacher like Mr Green.

    Stephen Hawking was born in Oxford, England on 8th January, 1942. He went to school in St Allbans, a small city near London. ⑴尽管他做得很好，但是拿不到第一名。

    After leaving school, Hawking went first to Oxford University where he studied physics and then went to Cambridge University where he studied cosmology(宇宙学). As he himself admits, he didn't work hard. He was a very lazy student, and did very little work. However, he still got high marks.

   ⑵ 在他20岁的时候，他的身体出毛病了。 He started to knock into things. When he visited his family at Christmas time, his mother was so worried that she made him see a doctor. Hawking was sent to hospital for tests. Finally, the result came back. Hawking had motor neuron disease（运动神经元病）. ⑶The illness would make him unable to speak, breathe or move without the help of a machine. Doctors said they had no way to help him. He would die before 23.

    At first, Hawking became very sad. After a while, though, he began to see his life in a different way. As he later wrote, “Before my illness was diagnosed(诊断), I had been very bored with life. There had not seemed to be anything worth doing. But shortly after I came out of hospital, ⑷I suddenly realized that there were a lot of valuable things I could do.” Then Hawking got married and found a job at Cambridge University as a professor. ⑸He strongly believes that his story shows that nobody should lose hope, no matter how bad their situation is. “Life is not fair.” He once said. “You just have to do the best you can in your own situation.”

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    Why here are thousands of people including lots of the old and the young, climbing the Fenghuang Mountain. Because there is a famous festival in Dazhou, which called Yuanjiu Mountain Climbing festival.(元九登高节) This festival is related with a poet as well as an official in Tang Dynasty. His name was Yuan Zhen and people called him Yuan Jiu later. In A. D. 815, Yuan Zhen did something wrong with his job, so he was sent to Tongzhou, which was a poor and remote place in ancient China. He didn't give   ❶  and made lots of projects to promote (促进) the economic development.   ❷   the leadership of him, Tongzhou changed a lot.①因此人们喜爱他. Because he did such an excellent job, he was transferred to Henan in A.D.818.The day when he left was the ninth day of the first lunar month. All the town people climbed onto the top of Cuiping Mountain in the South and the Fenghuang Mountain in the North to say goodbye to him. ② From then on, the custom and tradition of climbing hills on the day of "Yuanjiu" has been kept in Dazhou. To remember Yuan Zhen, all people in Dazhou go out in groups and climb hills on that day. People are looking forward to getting rid of the bad luck in the past year, hoping in the next year everything is going well. To show great respect for the public customs and opinions, every year our government plans a series of activities to promote the influence of Yuanjiu Mountain Climbing Festival. Nowadays, ③Dawhou, more, feeling, and, people, more, cultural charm (魅力), are, of, even the tourists and foreign friends are attracted to take part in such traditional activities. I take pride in Dazhou.

    Joining a short-term research program in China has not only allowed Pakistani agricultural scientist Sayyar Khan to push forward with his academic studies, but also given him a chance to see a country he had heard so much about.

    Khan is now doing a one-year research program at the Beijing Academy of Agriculture and Forestry Sciences. The program is sponsored by the Chinese Ministry of Science and Technology and many young talented scientists who come from collaborating countries, such as Pakistan, are given opportunities to work in China.

    Although this is his first visit to China Khan says he is well-informed of the long friendship between China and Pakistan. He is impressed most by the cooperation (合作) in education between China and Pakistan. especially since the start-up of the Belt and Road Initiative ("一带一路"建设) in 2013.

    "Many students from my university and my city have visited China and completed their higher education here." he says, adding that he has met with many of them.

    "I hear news about China on television and read about it in print media, so I know of the rapid development of China in recent decades."

    Khan says the Belt and Road Initiative will have a very positive effect on the world.

    "I hope that I can stay in China to participate in such cooperation projects." he says. Khan says life in Beijing is much easier than he'd expected, thanks to the convenient(便利的)public transportation and restaurants offering food for Muslims(穆斯林). This encouraged him to bring his family to live with him a couple of months ago.

    He says that language is the only challenge for them so far. However, he finds no problem talking with his Chinese colleagues, many of whom speak good English. He also enjoys the relaxing working environment and has a very good relationship with his co-workers.

    Tokyo may be one of those places that you love and hate at the same time. In Tokyo, there are always too many people in the places where you want to go. There are also too many cars. Tokyo drivers often spend a long time in the busy street, just like drivers in London, Paris and New York.

    Tokyo also has a lot of people on foot, and sometimes it is really difficult to walk in the street. The worst time in the street is at 11：30 at night. That is because the nightclubs are closing at that time and everybody wants to go home then. There are more than 30,000 nightclubs in Tokyo, and usually none of them is empty at night.

    During the day, most people go to work by train. Six million train tickets are sold, every year in Tokyo. At most stations, trains arrive every two or three minutes, but at certain hours they are not enough at all. Although trains are always crowded, they are very good in many ways. They always leave and arrive on time. In London trains, you may see everybody reading a newspaper. But in Tokyo trains, everybody seems to be sleepy, no matter whether his journey is long or short. If you stand outside the station for five minutes, there will be three fire engineer going past you. They are on the way to one of the fires that Tokyo has every day. Tokyo has so many surprises that none of them can really surprise me now.