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The effects are complex, affected by socio-economic factors, health-service provision, emotional support and other more physiological (生理的) mechanisms.
出自-2010年12月阅读原文
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I offer a simple proposition in response: Many of our problems—class attendance, educational success, student happiness and well-being—might be improved by cutting down the bureaucratic mechanisms and meetings and instead hiring an army of good teachers.
2016年12月四级真题(第三套)阅读 Section C
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Researchers from the University of Surrey and University of Aberdeen are halfway through research looking into the mechanisms behind how the time we eat influences body weight.
2019年12月四级真题(第三套)阅读 Section B