全文获取类型
收费全文 | 6969篇 |
免费 | 72篇 |
国内免费 | 140篇 |
专业分类
教育 | 3861篇 |
科学研究 | 1429篇 |
各国文化 | 40篇 |
体育 | 1080篇 |
综合类 | 101篇 |
文化理论 | 26篇 |
信息传播 | 644篇 |
出版年
2024年 | 31篇 |
2023年 | 59篇 |
2022年 | 80篇 |
2020年 | 27篇 |
2018年 | 30篇 |
2017年 | 41篇 |
2016年 | 42篇 |
2015年 | 84篇 |
2014年 | 373篇 |
2013年 | 131篇 |
2012年 | 309篇 |
2011年 | 451篇 |
2010年 | 201篇 |
2009年 | 159篇 |
2008年 | 363篇 |
2007年 | 561篇 |
2006年 | 400篇 |
2005年 | 385篇 |
2004年 | 336篇 |
2003年 | 352篇 |
2002年 | 335篇 |
2001年 | 202篇 |
2000年 | 195篇 |
1999年 | 121篇 |
1998年 | 47篇 |
1997年 | 57篇 |
1996年 | 61篇 |
1995年 | 73篇 |
1994年 | 51篇 |
1993年 | 67篇 |
1992年 | 83篇 |
1991年 | 73篇 |
1990年 | 94篇 |
1989年 | 92篇 |
1988年 | 78篇 |
1987年 | 83篇 |
1986年 | 92篇 |
1985年 | 95篇 |
1984年 | 82篇 |
1983年 | 82篇 |
1982年 | 69篇 |
1981年 | 57篇 |
1980年 | 33篇 |
1960年 | 27篇 |
1959年 | 46篇 |
1958年 | 46篇 |
1957年 | 34篇 |
1956年 | 61篇 |
1955年 | 67篇 |
1953年 | 39篇 |
排序方式: 共有7181条查询结果,搜索用时 15 毫秒
61.
[1]一个多世纪前,艾伯特·爱因斯坦最初在瑞士伯尔尼专利局工作。他在瑞士联邦技术学院的入学考试中不及格,便接受了评估发明创造的工作,因为有稳定的收入。[2]然而在1905年,他的发明令任何在专利局登记的专利都相形见绌。从3月到9月,他发表了5篇论文,其中任何一篇都能荣获诺贝尔奖。它们使我们对宇宙的理解发生了革命性变化。那年他26岁。[3]今年被命名为爱因斯坦年,以纪念这位物理学家取得这伟大成就100周年。没有人在如此短暂的时间内创造出如此重要和富有创意的著作。他论证了宇宙并不像它看上去那样。 相似文献
62.
残障儿童的父母.是孩子一生最好的教育者,因为他们在孩子成长的过程中无私奉献,恪尽责任。对那些有残障儿童的家庭而言.“知识就是力量”这句话就是真理。这些家长需要掌握关于残障症状的特点、教育治疗方案和策略等信息,以提升日常生活质量。家长们也想知道什么样的服务最适合孩子.如何获得这些服务.如何定位家长角色以确保孩子的进步.[第一段] 相似文献
63.
你有QQ秀照吗?你想拥有QQ秀照吗?其实,QQ秀照相分单人与双人两种,单人的QQ秀照是免费的,可是双人的QQ合影每次至少需要1Q币。如果我们没有Q币,该怎么办呢?不要急,下面偶就教你如何不用Q币也能照QQ秀双人合 相似文献
64.
FLOSSWorld调查的主体由5部分构成,包括:个人(Private sector)、政府(Government sector)、开源社区参与者(Open Source participants community)、高校管理者(Heigher Education Institutes——Administrators)、高校信息部门主管(Heigher Education Institute——ITManagers) 相似文献
65.
About 16,000 babies each year will be identified with hearing loss by age 3 months once universal newborn hearing screening becomes a reality. Identification of hearing loss in infancy, followed by appropriate intervention by age 6 months, can result in normal language development, regardless of degree of hearing loss. As the average age of identification of hearing loss moves downward toward 2 months, children with hearing loss will enter the educational system earlier and with language skills commensurate with those of their hearing peers. In order to provide appropriate services to children with hearing loss and their families, early interventionists will need to forge links to health care providers involved in universal newborn hearing screening programs, to have specialized training in deafness and hearing loss, and to have expertise in providing services to very young children and to children with hearing loss in the broad range from mild to profound. 相似文献
66.
Tolar TD Lederberg AR Gokhale S Tomasello M 《Journal of deaf studies and deaf education》2008,13(2):225-240
Early developmental psychologists viewed iconic representation as cognitively less complex than other forms of symbolic thought. It is therefore surprising that iconic signs are not acquired more easily than arbitrary signs by young language learners. One explanation is that children younger than 3 years have difficulty interpreting iconicity. The current study assessed hearing children's ability to interpret the meaning of iconic signs. Sixty-six 2.5- to 5-year-olds who had no previous exposure to signs were required to match iconic signs to pictures of referents. Whereas few of the 2.5-year-olds recognized the meaning of the iconic signs consistently, more than half of the 3.0-year-olds and most of 3.5-year-olds performed above chance. Thus, the ability to recognize the meaning of iconic signs gradually develops during the preschool years. Implications of these findings for sign language development, receptive signed vocabulary tests, and the development of the ability to interpret iconic symbols are discussed. 相似文献
67.
68.
Goldin-Meadow S 《Child development》2000,71(1):231-239
Gesture has privileged access to information that children know but do not say. As such, it can serve as an additional window to the mind of the developing child, one that researchers are only beginning to acknowledge. Gesture might, however, do more than merely reflect understanding-it may be involved in the process of cognitive change itself. This question will guide research on gesture as we enter the new millennium. Gesture might contribute to change through two mechanisms which are not mutually exclusive: (1) indirectly, by communicating unspoken aspects of the learner's cognitive state to potential agents of change (parents, teachers, siblings, friends); and (2) directly, by offering the learner a simpler way to express and explore ideas that may be difficult to think through in a verbal format, thus easing the learner's cognitive burden. As a result, the next decade may well offer evidence of gesture's dual potential as an illuminating tool for researchers and as a facilitator of cognitive growth for learners themselves. 相似文献
69.
基于国家教育标准的地理教材 总被引:1,自引:0,他引:1
为进一步增强美国地理教育。我们要做的许多事情之一就是改进教材的质量。其中最主要的三个方面的任务是:(1)开发优良的教材,(2)利用教师联盟的在职培训网络和职前教育计划培训教师使用这种新教材,(3)通过提供强有力的课程指导,特别是将教材与师资培训和基于国家 相似文献
70.
Dr.Robert S.Herman 《海外英语》2003,(6):4-5
Old age gives us the privilege to explore, to innovate, to challenge.Dear Friends,This is our twelfth monthly column and the first-year anniversary of our conversation together in the pages of Overseas English. We call this a milestone in English. Is there a Chinese word for it?I would like to begin our column with one of my own poems. 相似文献