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24.4 The article does not say whether the scientists’ experiments with dogs have ________.(2分)
A
benefited other animals
B
served human beings
C
helped in detecting heart diseases
D
contributed to medical knowledge
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A
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Hi, John, could you show me how to____ graphics (图表) with text on the same screen?
3. Boxer, philanthropist (慈善家) social activist Muhammad Ali was born Cassius Marcellus Clay Jr. on January 17, 1942 in Louisville, Kentucky. Considered one of the greatest athletes in boxing history, Ali showed at an early age that he wasn't afraid of any bout—inside or outside of the ring. Growing up in the segregated South, Ali experienced racial prejudice discrimination firsthand, which likely contributed to his early passion for boxing.At the age of 12, Ali discovered his talent for boxing through an odd twist of fate. His bike was stolen, Ali told a police officer, Joe Martin, that he wanted to beat up the thief. "Well, you better learn how to fight before you start challenging people," Martin reportedly told him at the time. Ali became a Golden Gloves champion in 1959, became an Olympic gold medalist the following year. Ali won all of his bouts in the 1960s, the majority of them by knockout. Since his retirement, Ali has devoted much of his time to philanthropy. Muhammad Ali has traveled to numerous countries, including Mexico Morocco, to help out those in need. In 1998, he was chosen to be a United Nations Messenger of Peace because of his work in developing countries. In 2005, Ali received the Presidential Medal of Freedom from President George W. Bush. He also opened the Muhammad Ali Center in his hometown of Louisville, Kentucky, that same year. "I am an ordinary man who worked hard to develop the talent I was given," he said. "I believed in myself I believe in the goodness of others," said Ali.
24.4 According to the passage, the age of the fossils was determined by____.
3.4 What can we learn about the man mentioned in the last paragraph?
5. (A)take (B)make (C)create (D)do
That day in 1996, the little boy saw, for the first time in his life, a plane ____ and burst into flames near his village.(1分)
3.2 One player has won the game when____.(1分)
British English and American English started borrowing words from other languages, ending up ________ different words．(1分)
The doctor has warned time and again that smoking will his health,but Johnny just won't listen.(1分)
____ recent discoveries it may be necessary to revise our previous theory.
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1.
2. How to Beat Holiday StressSunshine and Sangria may sound like the ideal cure for all your ills. But holidays can also be a source of stress—and that can affect your health. So if you want to really relax while you're away, follow these simple rules.Stress is now a major health issue of our time. One survey put the annual cost to British business at 1.3 billion in absenteeism (旷工), with around 100 million workdays lost each year.If left unchecked, stress can lead to illnesses which affect physical fitness, such as heart disease, high blood pressure and severe aches and pains, particularly neck- and backache.Yet although work is frequently cited as the main cause, holiday stress can be even more damaging. The traditional summer break, regarded by most people as the highlight of their year, can actually undermine health and put pressure on family relationships.Instead of tackling the problems before they go away, a lot of people believe a holiday will work magic for them. But holidays are spent in strange places where it may be difficult for tense people to relax.They may feel even more disturbed if they get the idea that others are having a more wonderful time than they are. It becomes a complex vicious (恶性的) circle, with people coming home more stressed than before they went away.Holiday preparations involve a series of mini-stresses, like tying up loose ends at work, remembering to cancel the milk and newspapers, boarding the family pet, arranging foreign currency, last-minute shopping, working out how much spending money to take and worrying about securing the home against burglars.Crowded airports, delayed flights and packed hotels are also major stress factors for most holidaymakers.Stress experts say we should take two or three short holidays a year instead of a long mid-summer one.Professor Cary Cooper, psychologist at the University of Manchester Institute of Science and Technology, says: "If your one holiday a year turns out to be a disaster you have nothing to look forward to for another year.""A big mistake is to take holidays according to the month, instead of when your body tells you it is time to unwind. July and August can be the two most disastrous months for holidays because there are always crowds, queues and delays. Some people like crowds, but holidays are a time for peace, quiet and personal space.""Another strain is not being able to do what you want on holiday, so you end up compromising, and no-one has a really good time. If the holiday is self-catering (自供伙食的), a wife is going to feel stressed at having to cook, look after the children and do all the other chores she handles at home, while her husband goes off to play golf.""Disappointment is very stressful. If you have high hopes of your holiday and it lets you down, you won't be refreshed, and may feel in need of another holiday. It's not going to kill you, but it won't help you to recharge your batteries.""Some people become over-anxious when they are going on holiday," says Professor Ben Fletcher, head of psychology at Hertfordshire University, "and worry about what happens if they are taken ill. So, for them, their chosen holiday spot is not a secure place.""Many couples and families are simply not used to spending a long time with each other, and some people cannot cope with that. Others may try to establish who is boss on holiday, while a lot of people just find it difficult to relax." (5分)2.1 According to the passage, which of the following is more likely to have a bad impact on physical fitness?____(1分)A. Working frequently in summer.B. Traditional summer holidays. C. Tackling problems before going away on holiday.D. Long separation from other family members.
2.
11.若一位教师可讲授多门课程，每门课程只有一位教师讲授，则教师实体与课程实体之间的联系类型是
3.
12.对数据库系统局部数据的逻辑结构进行描述的是
4.
根据以下材料，回答40-43题
5.
为了规范和促进学前教育的发展 ,1948 年, 日本文部省遵循《学校教育法》精神 , 颁布了
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