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There are many kinds of friends. Some are always ( 1 ) you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only ( 2 )friends leave footprints. I shall always recall the autumn and the girl with the ( 3 ). She will always bring back the friendship between us. I know she will always be my best friend. It was the golden season. I could see the yellow leaves ( 4 )with the cool ( 5 ). In such a season, I liked walking alone on the roads covered with leaves, ( 6 )to the sound of them. Autumn is a ( 7 )season and life is uninteresting. The free days always get me ( 8 ). But one day, the sound of a violin ( 9 )into my ears like a stream flowing in the mountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was ( 10 )in playing her violin. I had ( 11 )seen her before. The music was so nice that I listened quietly. Lost in the music, I didn’t know that I had been ( 12 )there for so long but my existence did not seem to disturb her. Leaves were still falling. Every day she played the violin at the corner of the building ( 13 )I went downstairs to watch her performance. I was the only listener. The autumn seemed no longer lonely and life became ( 14 ). ( 15 )we didn’t know each other, I thought we were already good friends. I believe she also loved me. Autumn was nearly over. One day, when I was listening carefully, the sound suddenly ( 16 ). To my astonishment, the girl came over to me. “You must like music from the violin.” she said. “Yes. And you play very well. Why did you stop” I asked. Suddenly, a ( 17 )expression appeared on her face and I could feel something unusual. “I came here to see my grandmother, but now I must leave. I once played very badly. It was your listening every day that ( 18 )me.” she said. “In fact, it was your playing ( 19 )gave me a meaningful autumn,” I answered, “Let’s be friends.” The girl smiled, and so did I. I never heard her play again in my life. I no longer went downstairs to listen to her. Only thick leaves were left behind. But I will always remember the fine figure (身影) of the girl. She is like a ( 20 )―so short, so bright, like a shooting star giving off so much light that makes the autumn beautiful.

A. because
B. so
C. while
D. if

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There are many kinds of friends. Some are always ( 1 ) you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only ( 2 )friends leave footprints. I shall always recall the autumn and the girl with the ( 3 ). She will always bring back the friendship between us. I know she will always be my best friend. It was the golden season. I could see the yellow leaves ( 4 )with the cool ( 5 ). In such a season, I liked walking alone on the roads covered with leaves, ( 6 )to the sound of them. Autumn is a ( 7 )season and life is uninteresting. The free days always get me ( 8 ). But one day, the sound of a violin ( 9 )into my ears like a stream flowing in the mountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was ( 10 )in playing her violin. I had ( 11 )seen her before. The music was so nice that I listened quietly. Lost in the music, I didn’t know that I had been ( 12 )there for so long but my existence did not seem to disturb her. Leaves were still falling. Every day she played the violin at the corner of the building ( 13 )I went downstairs to watch her performance. I was the only listener. The autumn seemed no longer lonely and life became ( 14 ). ( 15 )we didn’t know each other, I thought we were already good friends. I believe she also loved me. Autumn was nearly over. One day, when I was listening carefully, the sound suddenly ( 16 ). To my astonishment, the girl came over to me. “You must like music from the violin.” she said. “Yes. And you play very well. Why did you stop” I asked. Suddenly, a ( 17 )expression appeared on her face and I could feel something unusual. “I came here to see my grandmother, but now I must leave. I once played very badly. It was your listening every day that ( 18 )me.” she said. “In fact, it was your playing ( 19 )gave me a meaningful autumn,” I answered, “Let’s be friends.” The girl smiled, and so did I. I never heard her play again in my life. I no longer went downstairs to listen to her. Only thick leaves were left behind. But I will always remember the fine figure (身影) of the girl. She is like a ( 20 )―so short, so bright, like a shooting star giving off so much light that makes the autumn beautiful.

A. lively
B. lovely
C. harvest
D. lonely

How long you live has a lot to do with your environment and lifestyle, but exceptional longevity may have even more to do with your genes. For the first time, researchers have identified a genetic recipe that accurately predicts who may live to 100 and beyond. Scientists led by Dr. Thomas Perls at the Boston University School of Medicine conducted a genetic analysis of more than 1,000 centenarians and their matched controls and found 150 genetic variants--or bits of DNA--that differed between the two groups. These variants identified people who lived to a very old age (past 100) with 77% accuracy, researchers found. Further analysis identified 19 distinct genetic profiles associated with extremely long life; 90% of participants who lived to 100 possessed at least one of the signature genetic clusters. Each profile appeared to confer a different tendency to develop common age-related chronic diseases, such as heart disease or brain disorder. "We realize this is a complex genetic puzzle," Perls said. "We’re quite a ways away still in understanding how the integration of these genes--not just with themselves but with environmental factors--are playing a role in this longevity puzzle." Perls has studied many factors that contribute to longevity, and he is the first to acknowledge that living longer isn’t likely to be simply a matter of genes. His previous work has shown, for example, that among most elderly people who live into their 70s and 80s, about 70% of their longevity can be ascribed to environmental factors such as not smoking; eating a healthy, low-fat, low-calorie diet; and remaining socially engaged and intellectually active throughout life. Still, it seems clear that those who live to an exceptionally ripe old age are benefiting from a special DNA boost. In fact, Perls believes that the older a person gets, the more likely it is that his or her genes are contributing to those extended years. His current genetic findings support that theory: the 19 most common genetic profiles that distinguished the exceptionally long-lived appear to be correlated with lower incidence of certain diseases. For example, some profiles were associated with lower rates of high blood pressure and diabetes, while another was linked to a reduced risk of brain disorder. Although most of us can’t expect to become centenarians, Perls is hoping that his work will lead to better ways--perhaps through pharmaceutical interventions based on the genetic clues to longevity--to help more of us live like them. Which of the following is true according to Paragraph 2

A. Chronic diseases are complex genetic puzzles to scientists.
B. How exceptional longevity-related genes function is known.
C. Most centenarians have exceptional longevity-related genes.
D. The integration of genes and environmental factors is important.

中小学常用的教学方法包括______、谈话法、讨论法、______、实习作业法、练习法、______。

There are many kinds of friends. Some are always ( 1 ) you, but don’t understand you. Some say only a few words to you, but understand you. Many people will step in your life, but only ( 2 )friends leave footprints. I shall always recall the autumn and the girl with the ( 3 ). She will always bring back the friendship between us. I know she will always be my best friend. It was the golden season. I could see the yellow leaves ( 4 )with the cool ( 5 ). In such a season, I liked walking alone on the roads covered with leaves, ( 6 )to the sound of them. Autumn is a ( 7 )season and life is uninteresting. The free days always get me ( 8 ). But one day, the sound of a violin ( 9 )into my ears like a stream flowing in the mountains. I was so surprised that I jumped to see what it was. A young girl, standing in the wind, was ( 10 )in playing her violin. I had ( 11 )seen her before. The music was so nice that I listened quietly. Lost in the music, I didn’t know that I had been ( 12 )there for so long but my existence did not seem to disturb her. Leaves were still falling. Every day she played the violin at the corner of the building ( 13 )I went downstairs to watch her performance. I was the only listener. The autumn seemed no longer lonely and life became ( 14 ). ( 15 )we didn’t know each other, I thought we were already good friends. I believe she also loved me. Autumn was nearly over. One day, when I was listening carefully, the sound suddenly ( 16 ). To my astonishment, the girl came over to me. “You must like music from the violin.” she said. “Yes. And you play very well. Why did you stop” I asked. Suddenly, a ( 17 )expression appeared on her face and I could feel something unusual. “I came here to see my grandmother, but now I must leave. I once played very badly. It was your listening every day that ( 18 )me.” she said. “In fact, it was your playing ( 19 )gave me a meaningful autumn,” I answered, “Let’s be friends.” The girl smiled, and so did I. I never heard her play again in my life. I no longer went downstairs to listen to her. Only thick leaves were left behind. But I will always remember the fine figure (身影) of the girl. She is like a ( 20 )―so short, so bright, like a shooting star giving off so much light that makes the autumn beautiful.

A. watching
B. listening
C. seeing
D. hearing

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