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写作训练 Part 1 初中课文内容原文填空 (A) Running is such a popular sport around the world. Now more than 1.35 million Australians run for fun and exercise. Our study 1. s________ that running could improve our health and reduce the risk of death at a given point in time. Some past researches have found running could reduce the risk of being fat, high blood pressure, heart disease and so on. We found that running just once a week or for 50 2. m________ a week can reduce the risk of death. This is good news for those who don't have much time on their hands for exercise. But the benefits won't 3. ________(增加) by running at high speed. We found 4. ________(相似的) benefits for running at any speed between 8 and 13 km/h. So begin to run from 5. n________ on!
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