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小学科学教具改进的“5P”策略——以“日食和月食”为例 被引量:2
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作者 吴丝丝 王丹 田晓莉 《实验教学与仪器》 2021年第7期129-131,共3页
小学科学课程兼具基础性、实践性、综合性,其教具的开发和使用在课程实施过程中起到重要作用。在"日食和月食"一课教学过程中,根据教具模型在教学实施过程中存在的问题,应从实验操作、教具替换、多元应用等方面采取教具改进的... 小学科学课程兼具基础性、实践性、综合性,其教具的开发和使用在课程实施过程中起到重要作用。在"日食和月食"一课教学过程中,根据教具模型在教学实施过程中存在的问题,应从实验操作、教具替换、多元应用等方面采取教具改进的"5P"策略,拓宽一线教师对小学科学教学具的改进思路。 展开更多
关键词 小学科学 教具改进“ 5P”策略“ 日食”模型
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Dietary Guidelines for Chinese Residents(2016):comments and comparisons 被引量:23
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作者 Shan-shan WANG Sovichea LAY +1 位作者 Hai-ning YU Sheng-rong SHEN 《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》 SCIE CAS CSCD 2016年第9期649-656,共8页
A high quality diet is believed to play a functional role in promoting the healthy growth of mankind and preventing many kinds of chronic degenerative diseases, including cancer, cardiovascular disease, diabetes, and ... A high quality diet is believed to play a functional role in promoting the healthy growth of mankind and preventing many kinds of chronic degenerative diseases, including cancer, cardiovascular disease, diabetes, and obesity. Adherence to a high quality diet has been strongly associated with a lower risk of mortality. To help promote healthy lifestyles and physical strength, the Chinese government has produced a new revised version of the Dietary Guidelines for Chinese Residents (2016) and the Chinese Food Pagoda, as guidance for dietary intake among its population. Similarly, the Japanese government has produced the Japanese Food Guide Spinning Top Model, and the US government has recently published revised dietary recommendations in its 2015-2020 eighth edition of Dietary Guidelines for Americans. The evidence from all respective cohort studies involved in producing these guidelines shows a reduced risk of many chronic diseases and mortality if the guidelines are followed. All scientific findings support encouraging the general population to consume a broad variety of food on the basis of nutrient and food intakes in order to prevent deficiency diseases and a surplus of energy and nutrients, and recommend daily physical activity for health promotion. 展开更多
关键词 Dietary guidelines Chinese Food Pagoda Japanese Food Guide Spinning Top Dietary Guidelines forAmericans
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