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arc_easy
Question: Which of the following processes is an important part of star formation? Choices: A. nuclear fusion B. nuclear fission C. molecular fusion D. molecular fission
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Question: Do you know Marc Yu . He is very famous . He is only nine years old. He is a Chinese American. His mother is from Macao. He likes music very much and he has great musical talent . He can play forty pieces of classical music now. After hearing Mary Had a little Lamb one time at the age of three, he began play...
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Question: My name is Bill. I'm an English boy. I'm in No.8 High School. Sam is my good friend. He is thirteen. I'm thirteen, too. But we are in different looks. Miss Zhang is my English teacher, and she's Sam' s English teacher, too. We don't know her age . But she looks young. Look at this photo. It is yellow and red....
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Question: While watching a swimming competition one night, I came across an unbelievable sight. It was not a gold medal, or a world record broken, but a show of courage. The event started with only three men on the blocks. For one reason or another, two of them false started, so they were disqualified. That left only o...
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Question: Nevada is much drier than regions in California that are at the same latitude. Compared to these regions in California, which feature of Nevada contributes most to this dry climate? Choices: A. mountain ranges to the west B. high mean elevation C. frequent earthquakes D. soil with a high sand content
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sciq
Question: What occurs over a large area when a rock is buried or compressed? Choices: A. regional metamorphism B. cavern system C. metamorphic diffusion D. landslide
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Question: One day, an old man went for a walk in a park in Washington, and when he was tired, he sat down in a chair. A young person was standing on the other side of the pool. "Oh!" the old man said to the person sitting be side him on the chair. "Do you see that person with the glasses and long hair? Is it a boy or a...
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Question: Napoleon, as a character in Tolstoy's War and Peace, is more than once described as having "fat little hands". Nor does he "sit well or firmly on the horse". He is said to be "undersized", with "short legs" and a "round stomach". The issue here is not the accuracy of Tolstoy's description-it seems not that fa...
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Question: Every day, about one-quarter of American adults eat at fast-food restaurants. Cheap, tasty, and convenient, fast food is rich in fat and calories, and it's low in fiber and nutrients. Thanks in large part to fast food, half of America's adults and one-quarter of its children are fat, double the rate of a gene...
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Question: What reproductive method has two parents involved? Choices: A. pollination B. sexually C. budding D. mitosis
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Question: A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones? Choices: A. the birds living in the area of the bones B. the weather conditions in the area of the bones C. the kinds of trees living in the area of the bones D. the index fossils in t...
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Question: Scientists say they now have proof to support the old-fashioned advice that it's best to sleep on a problem. They say sleep strengthens the memory and helps the brain organize the masses of information we receive each day. Lead researcher Bob Stickgold at the Harvard Medical School said, "Sleep helps us draw ...
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Question: Tom Hanks ranks as one of Hollywood's most popular actors. Moviegoers eagerly anticipate in the opening of his new pictures. If you're a Hank fan, you don't have to wait much longer. Hank's newest film, Cast Away, opens this winter. Tom Hanks plays Chunk Noland, a FedEx executive who lives by the clock. H...
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Question: In experiments with garden peas, austrian monk gregor mendel described the basic patterns of what? Choices: A. inheritance B. preference C. color D. behavior
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Question: One answer to the question of land shortage was suggested by an organization some years ago. A city was to be built at sea, housing 30,000 people. The suggestion was to shape the city like a harbor .The outer wall of the harbor would stand on steel columns resting on the sea-bed. Naturally this could only be ...
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Question: Less TV Reduce Kids Weight PALO AITO, California--"Switching off the television may help prevent children from getting fatter--even if they do not change their diet or increase the amount they exercise," US researchers said last week. A study of 192 third and fourth grades, generally aged eight and nine, foun...
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Question: An ether is an organic compound in which two hydrocarbon groups are bonded to the same atom of what? Choices: A. nitrogen B. sulfur C. oxygen D. hydrogen
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Question: All rocks are composed of Choices: A. fossils B. cells C. metals D. minerals
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Question: Stay as safe as possible during an earthquake. Be aware that some earthquakes are actually foreshocks and a larger earthquake might occur. Reduce your movements to a few steps to a nearby safe place. If you are indoors, do "duck, cover and hold". Duck or drop down to the floor, under something strong, such a...
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Question: Now scientists have discovered that the dogs behave like their masters, too. Just like children, they use a " look and learn" ways when they go about their tasks. Scientists at Oxford universities designed an experiment to test if the dogs have the ability to copy humans' actions by using a simple wooden box....
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Question: Today, roller skating is easy and fun. But, before 1750, the idea of skating didn't exist . That changed because of a man named Joseph Merlin. Merlin's work was making musical instruments. One day Merlin was invited to a music party. He was very pleased and a little excited. As the day of the party came near,...
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Question: It is the 22ndcentury and it is very popular to change people's bodies. Mr. Smith decided to change his body. He changed his big nose to a small one, and his old and gray hair to short and blond hair. He also bought new green eyes, new hands, new arms, new knees and new feet. Mrs. Smith was happy because Mr....
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Question: Even plants can run a fever, especially when they're under attack by insects or disease. But unlike human, plants can have their temperature taken from 3,000 feet away--straight up. A decade ago, adopting the infrared scanning technology developed for military purposes and other satellites, physicist Stephen ...
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Question: Famous as "the king of chefs and the chef of kings," Auguste Escoffier helped raise the position of cooking from a laborer's task to an artist's job. Escoffier was born on October 28, 1846, in the small village of Villeneuve-Loubet, near Nice, France. Among the key figures in the boy's life was his father, wh...
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Question: When I was little, I'd see tons of bats flying around streetlights at night in my neighborhood in upstate New York. But I'll never forget the first time when I saw a bat up close. By the time I turned 7, though, I noticed something strange: All the bats in my neighborhood had disappeared, and I wondered why. ...
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Question: I have always known my kids use digital communications equipment a lot. But my cellphone bill last month really grabbed my attention. My son had come up to nearly 2,000 incoming text messages, and had sent nearly as many. Of course, he was out of school for the summer and communicating more with friends from ...
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Question: I like to get up late, so my ideal school starts at 9: 00 a. m. It finishes at 3: 00 p. m. So we can do lots of sports after school. In my ideal school, there is a big dining hall. We have an hour for lunch. We can listen to music in the hall. We can have maths every day because I think maths is very interest...
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Question: What forces in liquids are strong enough to keep them from expanding significantly when heated? Choices: A. outermolecular forces B. particles forces C. gravitational forces D. intermolecular forces
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Question: Almost every girl wants to be healthy and beautiful. They try every means to make themselves look smarter. "What are the best ways?" Many girls may have this question in mind. Here is some advice that is very important for girls to follow. Keep fit. Check with your doctor for your proper weight range and work...
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Question: Elemental carbon is a black, dull-looking solid that conducts heat and this? Choices: A. energy B. electricity C. light D. vibration
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Question: Make Up Your Mind to Succeed Kind-hearted parents have unknowingly left their children defenseless against failure. The generation born between 1980 and 2001 grew up playing sports where scores and performance were played down because "everyone's winner." And their report cards sounded more positive than ev...
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Question: If you go to Egypt, you'll see a lot of pyramids. The biggest of all is the Great Pyramid. It is about 137 meters high and made of 2,300,000 big stones. Each stone weighs about two and a half tons .The biggest ones even weigh fifteen tons. It took more than 100,000 men twenty years to build it. Nobody can tel...
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Question: What is a substance that can not be broken down any further into other substances? Choices: A. pure material B. unbreakable substance C. pure substance D. pure molecule
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Question: Tom and Simon were Americans. Once they visited Spain. One day they came into a little restaurant for lunch. They did not know Spanish , and the waiter did not know their American English, either. They wanted the waiter to understand that they needed some milk and eggs. At first Tom read the word "milk"many t...
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Question: Which is most accurate? Choices: A. the Earth revolves around a large, bright nuclear reactor B. the sun makes magical reactions that are visible C. the sun makes nuclear reactions that are visible instantly D. the sun makes nuclear reactions that are visible only days later
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Question: Larry was on another of his underwater expeditions but this time, it was different. He decided to take his daughter along with him. She was only ten years old. This would be her first trip with her father on what he had always been famous for. Larry first began diving when he was his daughter's age. Similarly...
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Question: What is the main reason we can see the Moon? Choices: A. The Moon reflects light from the Earth. B. The Moon reflects the light from the Sun. C. The Moon produces its own light. D. The Moon is larger than stars.
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Question: A Two-day Trip to Beijing If you want to know about China. Please come to Beijing. You can visit the Great Wall and other places of interest and enjoy Beijing Duck. Time: May 6~May 7 Price: 480 yuan per person Tel: 78456895 A Four- day Trip to Qinhuangdao If you like warm weather and clean city, Qinhuangdao ...
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Question: China's auto production is expected to grow by 20 percent in 2005 to 6 million vehicles , possibly passing Germany as the world's No. 3 producer. China is the world's-fastest-growing auto market as rising incomes make it possible for millions to buy their cars. Foreign automakers are investing billions o...
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Question: When Taking an Uber-Should You Tip or Not? Taking an Uber car may no longer be a direct driver-passenger and guilt-free experience. The ride-sharing experience is about to get awkward. With the wide application of the Internet, Uber, a new approach to your destination instead of taking an ordinary taxi, has b...
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Question: Personal protection equipment is essential when Choices: A. experimenting with volatile and vaporous liquids B. dumping lab rats in the incinerator C. interfacing with tenured professors D. wearing a sports cup
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Question: One way that scientists learn about man is by studying animals.In this lab, the scientists are studying the relationship between diet and health. They are studying the relationship between the amount of food the mice eat and their health.The mice are in three groups.All three groups are receiving the same...
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Question: Yesterday my old neighbor knocked on my door angrily. Obviously, my cat, Rocco, had left a turd in his perfect flower beds. Fortunately, I wasn't home when this happened, so he angrily complained to my friend and neighbor Kate about this. She was kind enough to listen to him and to go down into the garden w...
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Question: ADDIS ABABA, Ethiopia - One of the world's most famous fossils - the 3.2 million-year-old Lucy skeleton unearthed in Ethiopia in 1974 - will go on an exhibition tour abroad for the first time in the United States, officials said Tuesday. Even the Ethiopian public has only seen Lucy twice. The Lucy on exhi...
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Question: People need to relax and enjoy themse1ves.One way they can have a good time is to watch a baseball game or another sports event.Even thousands of years ago,groups of people gathered to watch skilled athletes . Over 2000 years ago in Greece,certain days in the year were festival days.These were holidays when p...
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Question: Chilean rescued miner Edison Pena ran the New York City Marathon on November 7th , less than a month after he was rescued from a collapsed mine that trapped him and the other 32 miners for 69 days. Pena ran 10 km daily through the mine's tunnels to beat the anxiety, wearing cut-down boots until rescuers s...
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Question: My parents taught me not to waste food. My mum always found ways to make leftovers taste good. I went to YiLan to learn about some of their special food. As I was there, I learned about the food and the history of the area. I learned that they don't waste food, either, and they use leftovers! Many years ago,...
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Question: Once there was a man and a woman. They had been married for more than 60 years. They kept no secrets from each other except that the old woman had a shoe box under her bed. She told her husband never to open or ask about it. For all these years, he had never thought about the box. But one day the old woman go...
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Question: Researchers believe the mobile phone system makes young people less thoughtful and more likely to make mistakes elsewhere in life. Hitting a few keys and then seeing the desired word appear in full trains children to be fast but inaccurate when doing other things, according to Australian scientists. They warn...
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Question: The Adler Planetarium Chicago is home to more than 35,000 square feet of exhibits. From huge models of the Solar System, to ancient astronomical instruments, to interactive adventures, Adler's exhibit galleries provides a passageway for you to explore the universe. The Adler also offers mini science explorati...
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Question: I stood there listening to my father shout at top of his voice. The look on his face said that one of us had done something wrong. "Which one of you did this?" We all looked down at the step. There was child's handwriting in chalk there. I was very frightened. I hope no one could see it. Would he guess it was...
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Question: What kind of animal returns to the same beaches each year to give birth? Choices: A. saltwater crocodile B. carnivorous bird C. semiaquatic mammal D. tiger shark
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Question: Early childhood Teacher Children's Preschool is a non-profit,parcot cooperative child care center located in the East Rock neighborhood of new Haven.We are looking to hire an experienced teacher fo 25-30 hours per week.As a teacher,you will have the opportunity to make a difference in the lives of children by...
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Question: Tom was ten years old and he was a very lazy boy. He didn't like doing any work. He had to go to school, of course , but he didn't study hard there and tried to do as little work as possible. His father and mother were both doctors and they hoped that their son would become one, too. But one day Tom said to h...
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Question: If the world were a village of 1,000 people, it would include: * 584 Asians * 124 Africans * 95 Eastern and Western Europeans * 84 Latin Americans * 55 former Soviets (including Lithuanians, Latvians, Estonians, and other national groups) * 52 North Americans * 6 Australians and New Zealanders The people of t...
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Question: Texting pedestrians aren' t just an annoyance to their fellow walkers, but something dangerous to themselves. "I was checking emails while walking to work this morning," said Wolbert van den Hoorn. "But it has a serious influence on the safety of people who type or read text while walking. " Anecdotes back hi...
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Question: Mobile Phone Manners Mobile phones have changed the way we communicate;they have also brought about problems in phone manners.Gaik Lira, a Singapore-based advice has some advice on phone manners. When dealing with missed calls,the person being.called should return the call."Calls should be returne...
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Question: Steve Fossett did not really look like an adventurer, but he reached some of the most difficult goals in sailing and flying. Fossett was most proud of being the first person to fly around the world alone in a hot-air balloon. To make a trip around the world alone, it was necessary to have an improvedautopilot...
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Question: Look at the photo. The two girls have big blue eyes and long brown hair. They are ten. They are in the same class. The one in a yellow skirt is Lily. The other one in an orange skirt is Lucy. Bob is their brother . He is in a blue cap. He is a high school student. Their dad is Mr. White. He is in a brown c...
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Question: Here is an examination notice . Mrs. Dickson gave it to her students last week. To the students of Class 3 * Examinations start on January 22 and end on June 23. * The time for each of the subject is: English June 22 9:30 A.M.- 10:30 A.M. Math June 22 11:00 A.M.- 12:00 A.M....
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Question: E - The Environmental Magazine If you're concerned about your health, your family's health and the future of our planet, and want to know "What Can I Do?" to make a difference, you'll love reading E - The Environmental Magazine. A 12-time Independent Press Awards winner andnominee , E is full of everything ...
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Question: "Today we had a discussion in class about heroes," said Ayesha to her father. "The teacher asked us to name our favorite heroes." "What did you say?" asked her father curiously. "I said Kareena Kapoor," said Ayesha proudly. "Why do you like Kareena?" asked her father. "She is so pretty, Daddy!" shouted Ayesha...
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Question: Writing being largely a self-taught occupation, texts on how to get about it -though great in number- seldom are of much use. You try, and fail. Then try again. Until at last, if you have some gift for it, the failures become less frequent, or at any rate less apparantly. It is this ability to cover up one's ...
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Question: Sitting on a chair all day in school can make anyone want to move around. So, more and more teachers are letting students have a ball. By sitting on exercise balls instead of chairs , teachers find students' posture and attention improve. Dottie Pownall, a fifth-grade teacher in West Virginia, USA, has been ...
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Question: Fire fighting is a serous matter, knowing what to do during a fire can save people's lives. It is important to know the ways you can use and show them to everyone else in the family, such as stairways and emergency exits, but not elevators. From the lower floors of building, escape through windows is possible...
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Question: A cafe owner has defended her decision to pen a Facebook post (an Internet message to be discussed) stating "No, we are not child-friendly," saying it breaks her heart when children damage her possessions. On Monday, the Little French Cafe in Newcastle, Australia, posted an announcement on their Facebook page...
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Question: University of Oxford is the oldest university in the English-speaking world and it's one of the top university in the world. There is no clear date when the university started, but teaching began at Oxford in some forms in 1096 and developed quickly from 1167. There are 39 independent colleges at Oxford, att...
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Question: Minimalism is a term that describes movements in various forms of art and design, especially visual art and music, where the work is reduced to its most basic features. As for me, minimalism functions well not in art or design, but in my daily life. When I was packing for university, I found it extremely di...
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Question: What is named after the type of enzyme they interact with in the cell? Choices: A. function proteins B. receptor proteins C. nitrogen proteins D. oxygen proteins
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Question: A function of a plant's roots is to Choices: A. protect the plant. B. absorb water and minerals. C. remove waste products. D. take in food for the plant.
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Question: O. Henry, a famous American writer of short stories, was born in North Carolina in 1862. O. Henry was a pen name. His real name was William Sydney Porter. When he was a young boy, he did not go to school for long because of being born in a poor family, but he tried to teach himself everything he needed to kno...
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Question: "My kids really understand solar and earth-heat energy," says a second-grade teacher in prefix = st1 /Saugus,California, "Some of them are building solar collectors for their energy course." These young scientists are part of City Building Educational Program (CBEP) , a particular program for kindergarten thr...
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Question: As hand-held devices such as smartphones are becoming more common, users are reporting some new physical problems. Florida chiropractor Dean Fishman began noticing an increased number of patients talking about neck and shoulder pain. He discovered these symptoms were due to the overuse of hand-held devices, p...
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Question: No one could have failed to be moved had he watched the live televised volleyball game between the Chinese and Cuban women's teams. As we sat before the television set, with our eyes fixed on the screen, we experienced every kind of feeling. When the two teams played neck and neck, we were on pins and needles...
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Question: Friends are important in our lives, but how to keep our friendship is more important. Here are some ways for you. Write letters If your best friend moves to other cities, you could buy the same magazine, E-mail, phone or write each other about the articles in the magazine that make you laugh. This will make y...
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Question: Sleet is made of what? Choices: A. wind B. icing C. hard h2o D. frosting
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Question: Every four years athletes from the world take part in the Olympic Games. Both the Summer and Winter Olympic Games are held every four years. The Winter Olympic Games are usually held two years before the Summer Olympic Games. The ancient Olympic Games began around the year 776 BC in Greece. Many of the sports...
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Question: Wonderful Museum Hours Monday - Thursday: 10:00 am - 5:00 pm Friday: 10:00 am - 8:00 pm Saturday: 10:00 am - 5:00 pm Sunday: 11:00 am - 5:00 pm Closed on Thanksgiving Day and Christmas Day. The Museum Shop is open during regular museum hours. The Museum Library Monday -Friday: 10:00 am - 5:00 pm The Skyliner ...
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Question: Audrey Hepburn(*)won an Academy Award as Best Actress for her first major American movie, Roman Holiday, which was released in 1953,But she is remem bered as much for her aid work as for her acting. Born in Belgium in 1929, Audrey's father was British and her mother was Dutch, Audrey was sent to live at a Bri...
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Question: My name is Lydia. I come from Beijing. I'm a Chinese girl. This year my parents work in London. Do you know London? It's a big city in England. My parents teach Chinese in a school. I'm in the same school with them. I'm in Class Four, Grade Seven. My teachers are nice to me. I can play football and swim. Sall...
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Question: There are new and exciting ways to use the Internet to learn English while you are on - line. The Internet uses a lot of multimedia elements ,like words, sounds, pictures, animations and video. This is perfect for studying a language because you've got to see, hear, and repeat things as much as you like. Lea...
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Question: There are new and exciting ways to use the Internet to learn English while you are on - line. The Internet uses a lot of multimedia elements ,like words, sounds, pictures, animations and video. This is perfect for studying a language because you've got to see, hear, and repeat things as much as you like. Lea...
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Question: Step into Pat Lundin's home and you'll be greeted by 500 smiling faces of dolls. Lundin, 82, describes herself as "doll crazy". And she's not alone. As a member of Timeless Treasures Doll Club of Largo, she frequently meets with 25 other women who share her hobby. Once a month, they gather at the Palms of Lar...
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Question: Bill Clinton took office on January 20, 1993 and became the 42nd U.S.president .He is the first U.S.president who was born after World War II .He is also one of the youngest of all U. S. presidents. Clinton was born in a poor family in 1946.Three months before he was born, his father, William Blats, died.Wh...
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Question: Students learn many subjects at school, like Chinese, English, math and physics. Some students think it's hard to do well in math. They say it's boring. Why do they say this? First, some math problems are so hard for them. They spend a lot of time on them, but they can't work them out, so they lost heart . Se...
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Question: James got up at five to seven. His parents and his little twin sisters went traveling in France and he had to look after himself at home. He opened the fridge, but he found only two hamburgers in it. He decided to have breakfast in the restaurant at the other side of the street. He sat at a table and the wait...
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Question: Mountain lions live in mountainous areas of the western prefix = st1 /United States. Lately, however, people have reported seeing them in quiet neighborhoods all across the country! Usually considered shy and seldom seen, these lions are becoming more noticeable. In addition, the lions appear to be moving eas...
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Question: When Frida Kahlo's paintings were on show in London, a poet described her paintings as " a ribbon around a bomb". Such comments seem to suggest Kahlo had a big influence on the art world of her time. Sadly, she is actually _ today than she was during her time. Born in 1907 in a village near Mexico City , Kah...
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Question: 1970 was "World Conservation Year". The United Nations wanted everyone to know that the world was in danger. They hoped that the governments would act quickly in order to conserve nature. Here is one example of the problem. At one time there were 1300 different plants, trees and flowers in Holland, but now on...
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Question: One 7.0 kg bowling ball is lifted to a storage shelf 1.0 m above the floor. A second 7.0 kg ball is lifted to a storage shelf 2.0 m above the floor. Which of the following best explains why the measured force of gravity on each ball is nearly identical? Choices: A. The final potential energy of each ball incr...
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Question: Look at the students in the photo. The boy in green shoes is Martin. He is from England. He`s fourteen years old. His hair is yellow. He likes yellow very much. The boy in a blue shirt is his brother , Tom. He is thirteen. They look the same. The girl in a yellow dress is Lisa. She is their friend. She is fro...
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Question: If no unbalanced force acts on an object the object remains at constant velocity or what? Choices: A. constant B. constant movement C. rotating D. at rest
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Question: Edward Wilson is America's, if not the world's, leading naturalist. In The Future of Life, he takes us on a tour of the world's natural resources. How are they used? What has been lost? What remains and is it able to continue with the present speed of use? Wilson also points out the need to understand fully t...
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Question: On Sunday , April 22nd , people all over the world take time out to appreciate the earth that we all share .It's Earth Day , a special day to learn about our planet and how to take care of it . On Earth Day , some people listen to speeches about the environment . Others help clean up their offices or save wat...
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Question: My husband and I had just opened up a pet sitting business earlier that year. Our customers had slowly risen from three to thirty a month. We were busy through those hot summer months, driving between visits. Our work was strictly done at the pet owner's home. It was almost too busy for the two of us, but we ...
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Question: Celebrating soccer THIS summer is exciting for many people on the planet--- the World Cup take place in Brazil from June 12 to July 13. Among the world's most widely watched sporting events, the World Cup makes the world turn around a moving ball. Many businesses, including banks and shops in some countries, ...
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Question: We know music is very important in our daily life.Do you notice music playing at any of those places when you go somewhere? Today, most stores,stations,restaurants and other places play music.You might even hear music in an office or on a farm. Scientists believe that music influences the way people behave.Th...
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Question: How was your Children's Day? What kind of gifts did you get? Eight third graders in some poor places in Hebei Province got new schoolbags as Children's Day gifts. They were very happy. There were pencils, pens, exercise books and many other school supplies in the schoolbags. These schoolbags are from students...
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Question: What can technology do to make the world better? Three young people are starting new businesses to answer the question. Eighteen-year-old Mach was the youngest person in Poland to receive money from others to develop his company. He started FIVE, a mobile messaging app , for deaf people. The app lets deaf peo...
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Question: If a plant is moved from a basement to a field Choices: A. it will need darkness B. it will be too dark C. it will receive nutriment D. it will now suffocate
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