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《氓》从表现形式上来说属于一首____诗。

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Study the objectives or aims of the articles and then choose the best titles for them.1.Objective: This study was undertaken with an aim to investigate feeding and weaning practices and nutritional status of children under five in rural Maharashtra, India.

A. Feeding and weaning practices and nutritional status of children under five in rural India
B. Feeding and weaning practices and nutritional status of children in rural Maharashtra

Objective: The objective of this study was to assess the characteristics of fraud in medical research by surveying members of the lnternational Society of Clinical Biostatistics (ISCB).

A. Fraud in medical research: an international survey of biostatisticians
B. Assess the characteristics of fraud in medical research: an international survey of biostatisticians

Objective: The study aims to identify health risk behaviors linked with smoking that may jeopardize the health-related quality of lifeof smokers in the US population.

A. Health Risk Behaviors in the US Population
B. Health-Related Quality of Life and Health Risk Behaviors Among Smokers

Changes in Diet and Lifestyle and Long-Term Weight Gain in Women and MenAbstractBackground---Specific dietary and other lifestyle behaviorsmay 1 (affect) the success of the straightforward-sounding strategy “eat less and exercise more” for preventing long-term weight gain.Methods---We 2 (perform) prospective investigations involving three separate cohorts that 3 (include) 120.877 US women and men who were free of chronic diseases and not obese at baseline, with follow-up periods from 1986 to 2006, 1991 to 2003,and 1986 to 2006. The relationships between changes in lifestyle factors and weightchange 4 (be evaluate) at 4-year intervals, with multivariable adjustments made for age, baseline body-mass index for each period, and all lifestyle factors simultaneously. Cohort-specific and sex-specific results were similar and were pooled with the use of an inverse-variance-weighted meta-analysis.Results---Within each 4-year period, participants 5 (gain) an average of 3.35 Ib (5th to 95th percentile,-4.1 to 12.4). On the basis of increased daily servings of individual dietary components,4-year weight change was most strongly associated with the intake of potato chips (1.69 Ib), potatoes(1.28 lb), sugar-sweetened beverages (1.00 lb), unprocessed red meats(0.95 lb), and processed meats (0.93 Ib) and was inversely associated with the intake of vegetables (-0.22lb),whole grains (-0.37 lb), fruit"(-0.49 lb), nuts (-0.57 lb), and yogurt (-0.82 lb) (p≤0.005 for each comparison). Aggregate dietary changes 6 (be associate) with substantial differences in weight change (3.93lb across quintiles of dietary change). Other lifestyle factors 7 (be) also independently associated with weight change (p<0.001), including physical activity (-1.76lb across quintiles); alcohol use (0.4lb per drink per day), smoking (new quitters, 5.17 lb; former smokers, 0.14 lb), sleep (more weight gain with <6 or >8 hours of sleep), and television watching (0.31 lb per hour per day).Conclusions---Specific dietary and lifestyle factors 8 (be) independently associated with longterm weight gain, with a substantial aggregate effect and implications for strategies to prevent obesity.(Funded by the National Institutes of Health and others)

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