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I'm taking a test and have to guess the right answer to the question after the article. Article: Can you imagine traveling to work in a one-man submarine? Scientists believe that someday one-man submarines will be as numerous as automobiles today. One says," One day soon, men will walk on the ocean floor as they do on the street. " Perhaps during your life time, people will travel, work and live under the sea. Ships carrying oil and articles of trade will move beneath the ocean. Passenger ships will be built to travel underwater, where storms cannot delay them or make people seasick. Special underwater ships will be designed for mining, fishing, and exploring unknown areas. For military use, there may be submarines that can fly and then dive underwater to approach the battle area without being seen. First, however, the human problems associated with living in the ocean will need to be studied in detail. Many of these problems are the same as the problems of living in outer space: pressure, lack of oxygen, and weightlessness. Already scientists have begun to study these problems. In 1963 and 1964 scientists and Navy divers lived and worked underwater for several days in two projects which were called Sealab I and Sealab II. The Sealab II experiment kept the scientists and divers 215 feet below the surface for thirty days, studying marine biology, temperature, pressure, currents, and ocean bottom geology. Many puzzling questions remain unanswered, however. Man's warm blood makes it difficult for him to live long in the sea without some kind of warmth. Can our blood be changed to fit new water surroundings? What will happen to our muscles if we live in the water very long? Will they become soft away from our usual land existence? Will bones become weak and our blood pressure change? Scientists are searching for answers. By studying plants and animals deep in the ocean, scientists may find a cure for some of our most serious human diseases. We may learn to use plants to increase our world food supply. Engineers may learn to use the power of the sea by building huge walls to catch the force of... Question: In the passage, the author is talking to us about the problems of _ Options: A: pressure, lack of oxygen, and weightlessness in the sea B: living, working below the ocean C: underwater submarine D: walking on the ocean floor
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: Tamara walked through the night to the little house where her </PGN0103.TXT/PGN>old nurse lived. The old woman gave her a meal. Then Tamara went out to get a car. She had enough money with her to pay for the use of a car for a few days. She wanted to go into town and see a friend, a teacher of science. She had to sit through the second part of a class before she was able to speak to him. But then he took her to his office and listened to her. She told him that she wanted to build houses on some land her husband had owned. But first she must clear it of unwanted plants. She wanted something that would kill them. Her friend wrote down a name on a piece of paper and told her to take it to a shop he knew. "You will need lots of it." he said. "Put it in water and spread it over the plants." Question: Tamara went to see her nurse _ . Options: A: by car B: by train C: by bus D: on foot
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D

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I'm taking a test and have to guess the right answer to the question after the article. Article: Any introduction to Peking Opera would not be complete without telling of Mei Lanfang. During his stage life, he combined the traditions of the past with his own creations, shaping a style of his own and giving birth to "The Mei Lanfang School". He was also the first artist to introduce Peking Opera to an overseas audience, making it popular to the world. Mei Lanfang began his stage life at the age of 8. His teacher said he showed little hope because of his boring eyes. To improve this, he exercised them day after day. Thanks to his efforts, he managed to change his dull eyes into a pair of bright and expressive eyes and win national fame before the age of 20. In over 50 years on the stage, Mei Lanfang played no less than 100 different characters in the performance. He also wrote many new plays, designing the dances himself. The many dances he created form part of the great treasure that he left to Peking Opera. In 1930, Mei Lanfang started on a successful US tour. There his brilliant performances impressed the audience, making them realize that Peking Opera was a theatrical form of great value. Question: What is the main idea of the passage? Options: A: The history of Peking Opera. B: Mei Lanfang's early stage life. C: The performance of Peking Opera by Mei Lanfang. D: Mei Lanfang's great contributions to Peking Opera.
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D