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Conversational topics among same‐sex adult friends, co‐workers, siblings, parents and children were studied. A self‐report questionnaire revealed that women's talk tends to focus on family, relationship problems, men, health, pregnancy and menstruation, food, things they've read, movies, television, clothing, and rape. Men talk more about women, sex, money, news, sports, hunting and fishing. No sex difference was found in the most frequent topic of conversation in each context. Same‐sex friends of either sex are most likely talk about the other sex, co‐workers most frequently discuss work, and sisters, brothers, mothers and daughters, fathers and sons, talk most often about family. 相似文献
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Rudolf LUCAS 《Journal of Zhejiang University. Science. B》2010,11(2):127-135
Objective: To investigate the distributions of human leukocyte antigen (HLA)-A and-B alleles and HLA-A-B haplotypes in the Yi ethnic minority of the Yunnan Province, situated in southwestern China. Methods: DNA typing for HLA-A and-B loci was performed using the polymerase chain reaction-sequence-based typing (PCR-SBT) method on 114 randomly selected healthy individuals of the Yi population. The allelic frequencies of HLA-A and-B loci were calculated by direct counting and HLA-A-B haplotypes were estimated ... 相似文献
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Applying microeconomic theory to No Child Left Behind predicts that its use of significant consequences for schools that do not reach 100% proficiency on rigorous standardized tests by 2014 will likely prevent most, if not all schools, from providing a high-quality education for their students. The central problem is cost. Quality assurance models predict that costs associated with achieving the required 100% pass rate will rise well above typical school budgets. Thus, No Child Left Behind, or any reform that combines a rigid demarcation between passing and failing with a 100% proficiency requirement, will fail as prohibitively expensive. 相似文献
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Carolyn Buhai Haas 《Early Childhood Education Journal》1983,11(2):37-39
Winter days can be long and dreary, causing restless, cranky children. These activities will help to fill the hours with fun, and learning too.Carolyn Haas is co-author of the new bookPurple Cow to the Rescue published by Little, Brown and Co., as well as many other creative activity books for parents, teachers, and children. These activities are excerpted from the bookRecipes For Fun and Learning by Carolyn Haas, Ann Cole, and Betty Weinberger, CBH Publishing, Box 236-D, Glencoe, IL 60022. For a copy of the book, send $4.95 plus $1.00 for postage and handling to the above address. 相似文献
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