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The Significance of Group Work in Generating Motivation and Reducing Anxiety 被引量:3
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作者 Liqun Xu 《Sino-US English Teaching》 2005年第9期32-34,共3页
This paper discusses group work from affective domain. It points out that group work can make learners feel less anxious because it can provide learners with the sense of security and unity, besides, it can establish ... This paper discusses group work from affective domain. It points out that group work can make learners feel less anxious because it can provide learners with the sense of security and unity, besides, it can establish good relationship between the teacher and learners. Group work can also be motivating because it can fulfill the human needs for experiencing competence, relatedness and autonomy. 展开更多
关键词 anxiety motivation group work
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Hyperbolicity of unitary involutions
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作者 KARPENKO Nikita A. 《Science China Mathematics》 SCIE 2012年第5期937-945,共9页
We prove the so-called Unitary Hyperbolicity Theorem,a result on hyperbolicity of unitary involutions.The analogous previously known results for the orthogonal and symplectic involutions are formal consequences of the... We prove the so-called Unitary Hyperbolicity Theorem,a result on hyperbolicity of unitary involutions.The analogous previously known results for the orthogonal and symplectic involutions are formal consequences of the unitary one.While the original proofs in the orthogonal and symplectic cases were based on the incompressibility of generalized Severi-Brauer varieties,the proof in the unitary case is based on the incompressibility of their Weil transfers. 展开更多
关键词 algebraic groups INVOLUTIONS projective homogeneous varieties Chow groups and motives Steenrod operations
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