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Read the following article and select the best answer. Article: There is a discovery that students who rely on working at night to improve their grades might want to sleep on that strategy: a new survey in the US says those who never study all night have slightly higher grades than those who do. A survey of 120 students at St. Lawrence University found that students who have never pulled an all-nighter on average have higher grades than those who have. The survey found those who did not study through the night had a grade point average of 3.2 compared to 2.95 for those who have. The study, by assistant professor of psychology Pamela Thacher, is to be included in the January issue of Behavioral Sleep Medicine. "It's not a big difference, but it's pretty striking," Thacher said. "I am primarily a sleep researcher and I know nobody thinks clearly at 4 in the morning. You think you do, but you can't." Many college students, of course, have inadequate or irregular sleep, for reasons ranging from excessive caffeine to poor time management. "A lot of students were under the impression that all-nighters were a very useful tool for accomplishing work, that caffeine intake was very useful in meeting deadlines and stuff like that," said Chatani, who had a 3.4 grade point average last term. Dr Howard Weiss, a physician at St. Peter's Sleep Center in Albany, said the study results make sense. "Certainly that data is out there showing that short sleep duration ly interferes with concentration, interferes with performance on objective testing," he said. Some night owls do get good grades, of course, which may be explained by circadian rhythms , Weiss said. Some people have different 24-hour body clocks than others, and may do better depending on class and testing times, Weiss said. Question: An all-nighter in the passage refers to _ . - a habit of accomplishing work by skipping a whole night' sleep - a drink to keep people awake all night - a person who falls into the habit of working at night - a way to improve one's grades by working deep into the night
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a habit of accomplishing work by skipping a whole night' sleep

(Q).
Read the following article and select the best answer. Article: Zheng He made seven heroic voyages to Asia and Africa between 1405 and 1433, which predated the Westerners' Voyages of Discovery by almost a century . Despite Zheng He's remarkable maritime feats , with larger and matchless fleets until World War I , he is ly unknown worldwide compared with his Western counterparts like Columbus and Vasco da Gama . Why ? Sadly , much of the official Chinese records of these voyages were destroyed after his death , by order of his powerful enemies at Court . They were opposed to his expeditions , both on economic and other grounds . Further , the Ming History made only little mention of his exploits . Most surprisingly , not even his date of death and burial place were recorded . Therefore , his final resting place is still a matter of _ .So he became only a legend and folk hero in his life time . However , hardly any Chinese works on him have been translated into foreign languages . Ironically , it was due to a handful of famous Western researchers like prefix = st1 /Needham, Zlevathes and , most recently , Menzies that the world is now more familiar with his greatness . Zhen He's rightful place in Chinese history has been confirmed by none other than Deng Xiaoping in 1984 , when he addressed the nation's People's Congress in Beijing : "...The Ming dynasty , under Yongle Emperor , did wisely pursue an open-door policy resulting in Zheng He's famous maritime expeditions overseas . However , after Yongle's death, Chinadeserted this policy resulting in foreign intervention andChina's final humiliation during the 19th century . The open-door policy is therefore the way forward forChina." Following a more realistic overall appraise by scholars East and West of Zheng He's achievements , his standing as one of the greatest maritime explorers of all time has at last been firmly recognized worldwide . Question: Which statement is TRUE according to the passage ? - No one knew Zheng He's maritime achievements in history until World War I . - The Westerners' Voyages of Discovery fell behind Chinauntil 1433 . - No other fleets in the world could be compared with those of Chinain size for almost over 500 years in history . - Columbus was born in a western country, so he was more famous than Zheng He in the world .
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Columbus was born in a western country, so he was more famous than Zheng He in the world .

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Read the following article and select the best answer. Article: But that did not really surprise me much. I knew very well that in addition to the great planets-- such as the Earth, Jupiter, Mars, Venus-- to which we have given names, there are also hundreds of others, some of which are so small that one has a hard time seeing them through the telescope. When an astronomer discovers one of these he does not give it a name, but only a number. He might call it, for example, "Asteroid 325." I have serious reason to believe that the planet from which the little prince came is the asteroid known as B-612. This asteroid has only once been seen through the telescope. That was by a Turkish astronomer, in 1909. On making his discovery, the astronomer had presented it to the International Astronomical Congress, in a great demonstration . But he was in Turkish costume, and so nobody would believe what he said. Grown-ups are like that... Fortunately, however, for the reputation of Asteroid B-612, a Turkish dictator made a law that his subjects should change to European costume under pain of death .So in 1920 the astronomer gave his demonstration all over again, dressed with impressive style and elegance. And this time everybody accepted his report. If I have told you these details about the asteroid, and made a note of its number for you, it is for the grown-ups and their ways. When you tell them that you have made a new friend, they never ask you any questions about essential matters. They never say to you, "What does his voice sound like? What games does he love best? Does he collect butterflies?" Instead, they demand: "How old is he? How many brothers has he? How much money does his father make?" If you were to say to the grown-ups: "I saw a beautiful house made of rosy brick, with geraniums in the windows and doves on the roof," they would not be able to get any idea of that house at all. You would have to say to them: "I saw a house that cost $20,000." Then they would cry out: "Oh, what a pretty house that is!" _ , if you say to them: "The proof that the little prince... Question: According to the narrator, which of the following does NOT belong to questions "about essential matters" when talking about a new friend? - How much does he weigh? - Does he like flowers? - What's his favourite sport? - Does he have a cat?
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How much does he weigh?