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马桶座圈背负着一个不公平的污名,那就是被认为是一般家庭中最脏的物件。但科学家们称,我们的家里其实有更为污秽的地方,有些地方还是最令人意想不到的。你会在马桶座圈上切菜吗?我想基本上所有人都说不会。但或许我们得重新考虑一下了。 相似文献
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The Acropolis and Parthenon雅典卫城河帕提侬神庙
When people think of Greece,they think of the Acropolis.The ancient Greeks believed it to be blessed and secure them from the rest of the world.The Parthenon is located in the Acropolis.It was built to honor the Greek goddess Athena. 相似文献
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Previous research has indicated significant variation between schools in the proportion of their students who go on to higher education. However, relatively little attention has been paid to the specific school characteristics influencing application and entry to tertiary education. This paper sets out to analyse the individual and school factors which influence the transition to higher education in the Irish context. The paper draws on a large‐scale study of 4,400 students within 108 secondary schools in the Republic of Ireland. Almost three‐quarters of the students in the sample applied for a higher education course. However, schools varied in the application rates of their students. These differences are found to be related to the background characteristics of students (in terms of gender, social class and prior ability) along with the institutional habitus of the school. It is found that school factors associated with increased college application rates do not necessarily appear to yield higher rates of college entry but rather that successful entry to tertiary education is related to general academic effectiveness in the school. 相似文献
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The ability of bioelectrical impedance analysis and anthropometry to predict fat mass and fat-free mass was compared in a sample of 82 male athletes from a wide variety of sports, using dual-energy X-ray absorptiometry (DXA) as the reference method. The percent fat measured by DXA was 10.9+/-4.9% (mean +/- s), and fat mass was predicted with a standard error of the estimate of 1.7 kg for skinfolds and 2.8 kg for bioelectrical impedance analysis (P < 0.001). Fat-free mass was predicted with a standard error of the estimate of 1.7 kg for anthropometry and 2.6 kg for bioelectrical impedance analysis (P < 0.001). Regression of various individual skinfolds and summed skinfolds, to examine the effect of skinfold selection combinations by stepwise regression, produced an optimal fat mass prediction using the thigh and abdominal skinfold sites, and an optimal fat-free mass prediction using the thigh, abdominal and supra-ilium sites. These results suggest that anthropometry offers a better way of assessing body composition in athletes than bioelectrical impedance analysis. Applying the derived equations to a separate sample of 24 athletes predicted fat and fat-free mass with a total error of 2.3 kg (2.9%) and 2.2 kg (2.7%), respectively. Combining the samples introduced more heterogeneity into the sample (n = 106), and the optimal prediction of fat mass used six skinfolds in producing a similar standard error of the estimate (1.7 kg), although this explained a further 4% of the variation in DXA-derived fat. Fat-free mass was predicted best from four skinfolds, although the standard error of the estimate and coefficient of determination were unchanged. 相似文献
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Andrew W. Hannan 《欧洲师范教育杂志》1983,6(1):79-86
This paper examines the criticisms made of multicultural education and argues, with some reference to American experience, that the possibility exists of exploiting such a focus to raise important issues of racism and inequality. It is argued that the crucial test of multicultural education will come with the fight to see it as relevant to the training of all teachers. Teachers ought to be trained in suck a way that they understand the complexity of the society in which they will teach in order to counteract the tendency to reduce educational, social, political and economic problems to a matter of cultural differences and deficiencies. 相似文献
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四年前,癌症带走了我的祖母;在此之前,我家族中国血统的一边,也就是我爸爸的那边,每年都会在祖母家里过感恩节。那一天,祖母家里总会被炉灶烘得暖洋洋的,因为祖母通常一大早就开了炉火烧煮个不停。我们的家族庞大,但祖母准备的宴席却总是更加盛大。她会烹制各种派、肉类、蔬菜和酿制菜式——这些菜肴都可口美 相似文献