全文获取类型
收费全文 | 4840篇 |
免费 | 222篇 |
专业分类
各国政治 | 297篇 |
工人农民 | 185篇 |
世界政治 | 439篇 |
外交国际关系 | 335篇 |
法律 | 2110篇 |
中国共产党 | 2篇 |
中国政治 | 81篇 |
政治理论 | 1570篇 |
综合类 | 43篇 |
出版年
2023年 | 29篇 |
2022年 | 23篇 |
2021年 | 43篇 |
2020年 | 79篇 |
2019年 | 111篇 |
2018年 | 165篇 |
2017年 | 164篇 |
2016年 | 169篇 |
2015年 | 111篇 |
2014年 | 135篇 |
2013年 | 795篇 |
2012年 | 118篇 |
2011年 | 148篇 |
2010年 | 133篇 |
2009年 | 154篇 |
2008年 | 152篇 |
2007年 | 148篇 |
2006年 | 141篇 |
2005年 | 154篇 |
2004年 | 133篇 |
2003年 | 124篇 |
2002年 | 143篇 |
2001年 | 108篇 |
2000年 | 106篇 |
1999年 | 91篇 |
1998年 | 67篇 |
1997年 | 78篇 |
1996年 | 50篇 |
1995年 | 71篇 |
1994年 | 73篇 |
1993年 | 68篇 |
1992年 | 60篇 |
1991年 | 72篇 |
1990年 | 47篇 |
1989年 | 60篇 |
1988年 | 37篇 |
1987年 | 46篇 |
1986年 | 51篇 |
1985年 | 52篇 |
1984年 | 39篇 |
1983年 | 54篇 |
1982年 | 47篇 |
1981年 | 62篇 |
1980年 | 39篇 |
1979年 | 43篇 |
1978年 | 43篇 |
1977年 | 22篇 |
1976年 | 35篇 |
1974年 | 23篇 |
1973年 | 21篇 |
排序方式: 共有5062条查询结果,搜索用时 15 毫秒
71.
Jeanne Saunders Larry Davis Trina Williams James Herbert Williams 《Journal of youth and adolescence》2004,33(1):81-90
There is increasing divergence in the academic outcomes of African American males and females. By most accounts, males are falling behind their female peers educationally as African American females are graduating from high schools at higher rates and are going on to college and graduate school in greater numbers. Some have suggested that school completion and performance is associated with how students feel about themselves. The purpose of this study was to explore gender differences in the relationship between self-perceptions and 2 academic outcomes among a sample of 243 African American high school sophomores. The results suggest that, overall, females are more favorably oriented toward high school completion. Both male and female students with more positive self-perceptions have stronger intentions to complete the current year of high school. Higher grade point averages were more strongly associated with greater self-efficacy for females than for males. Given these findings, increased attention to educational programming, societal messages, and future research is warranted. 相似文献
72.
73.
Donna Lee Van Cott 《拉美政治与社会》2003,45(2):1-39
The central question of this article is why indigenous social movements formed electorally viable political parties in Latin America in the 1990s. This development represents a new phenomenon in Latin America, where ethnic parties have been both rare and unpopular among voters. Institutional reforms in six South American countries are examined to see if the creation and success of these parties can be correlated with changes in electoral systems, political party registration requirements, or the administrative structure of the state. The study concludes that institutional change is likely to be a necessary but not sufficient condition for the emergence and electoral viability of ethnic parties. 相似文献
74.
James N. Green 《拉美政治与社会》2003,45(1):87-117
Virtually no one in the United States raised objections to the 1964 military takeover of the Brazilian civilian government. In the early 1970s, however, the Brazilian regime had become associated with torture and the arbitrary rule of law. By the end of that decade, compliance with human rights standards had developed into a yardstick for measuring U.S. foreign policy initiatives in Latin America. This paper argues that between 1969 and 1974, a small group of dedicated church activists, exiled Brazilians, and academics introduced the issue of human rights in Latin America into the U.S. national body politic. A network of concerned activists fashioned a systematic campaign to educate journalists, government officials, and the public about the abuses taking place under the generals' rule. Their activities helped isolate the military regime and laid the groundwork for a broader solidarity movement with Latin American popular struggles in the late 1970s and 1980s. 相似文献
75.
Competing spatial models of voter choiceare compared in the context ofparliamentary representatives selectedthrough single-member district, pluralityelections where party platforms areemphasized over individual candidates.Respondents of the 1987, 1992, and 1997British general election surveys ratepolitical parties on a series of issuescales. Ordered logistic regressions ofparty evaluations under proximity,directional, and mixed models reveal thatthe classic spatial model and thedirectional model perform equally well.Differences center on perceptions of thestatus quo, as voters appear to evaluatethe incumbent party (here, theConservatives) slightly differently thanminority parties (Labour and the LiberalDemocrats). The proximity model worksbetter for voter evaluations of governingparties while the directional model workswell for opposition parties. 相似文献
76.
77.
78.
79.
80.