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Experimental research on application of constructivist theory to senior middle school students＇ english reading

Sino-US english Teaching 2008年第12期5卷 7-22页

作者： LIU Xiao-zhen english Department Hexi University Zhangye 734000 China

This paper briefly discusses the existing problems in current teaching and learning in senior english reading class. It highly stresses that the constructivist-based reading teaching is an effective way to solve these problems. The following contents are also explored： the main constructivist reading teaching methods in FLT abroad, the constructivist views of teaching, learning and reading, and the current research on english reading teaching based on constructivism in China. The key part of the study is that some constructivism-based reading teaching activities suitable to the local environments for senior english reading instruction are designed and applied to the practical senior english reading classroom. In order to test the effectiveness of the application of the constructivist reading teaching activities, half a year＇s careful experiment was conducted. The results of the research revealed that： The application of the constructivist-based reading teaching activities into senior english reading class is workable, feasible and efficient. It could help to improve senior 3 middle school students＇ reading proficiency, to promote their employment of reading strategies, as well as their attitudes towards reading class.

关键词： constructivism senior english reading teaching experimental study

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A Study on Senior High school Students＇ english Reading Barriers and Strategies

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Journal of Literature and Art Studies 2017年第12期7卷 1651-1659页

作者： ZHANG Tong JIN Ming-hao Department of english Yanbian University Yanji Jilin Province China

Referring to the questionnaire surveys and literature materials, this paper tries to discuss the causes of high school students＇ english reading barriers and its possible strategies to improve their english reading ability. This paper used a questionnaire survey to collect data with 188 grade one high school students as research subject. The result shows english reading barriers are mainly divided into two parts, language factors and non-language factors. Language factors include vocabulary barriers, grammar barriers, discourse barriers and culture background barriers. Non-language factors mainly include psychological factors, reading habits, reading interest and reading strategies. It is suggested that joint efforts from teachers and students are needed to solve the reading barriers. Teachers should help students increase vocabulary accumulation, strengthen grammar knowledge, develop their discourse comprehension skills and teach culture knowledge in class. Students need to overcome psychological factors, develop good reading habits, do a series of trainings on reading, give immediate feedbacks and sum up reading experiences.

关键词： high school students english reading reading barriers reading strategies

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A comprehensive investigation on nonlinear vibration and bending characteristics of bio-inspired helicoidal laminated composite structures

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Applied Mathematics and Mechanics(english Edition) 2025年第1期46卷 81-100页

作者： S.SAURABH R.KIRAN D.SINGH R.VAISH V.S.CHAUHAN school of Mechanical and Materials Engineering Indian Institute of Technology Mandi

Bio-inspired helicoidal composite laminates, inspired by the intricate helical structures found in nature, present a promising frontier for enhancing the mechanical properties of structural designs. Hence, this study provides a comprehensive investigation into the nonlinear free vibration and nonlinear bending behavior of bio-inspired composite plates. The inverse hyperbolic shear deformation theory(IHSDT) of plates is employed to characterize the displacement field, with the incorporation of Green-Lagrange nonlinearity. The problem is modeled using the C0finite element method(FEM), and an in-house code is developed in the MATLAB environment to solve it numerically. Various helicoidal layup configurations including helicoidal recursive(HR), helicoidal exponential(HE), helicoidal semi-circular(HS), linear helicoidal(LH), and Fibonacci helicoidal(FH)with different layup sequences and quasi-isotropic configurations are studied. The model is validated, and parametric studies are conducted. These studies investigate the effects of layup configurations, side-to-thickness ratio, modulus ratios, boundary conditions, and loading conditions at different load amplitudes on the nonlinear vibration and nonlinear bending behaviors of bio-inspired composite plates. The results show that the laminate sequence exerts a substantial impact on both nonlinear natural frequencies and nonlinear bending behaviors. Moreover, this influence varies across different side-to-thickness ratios and boundary conditions of the bio-inspired composite plate.

关键词： Inverse problems

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Twist monomials of binary delta-matroids

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Acta Mathematica Sinica,english Series 2025年

作者： Qi YAN Xian'an JIN school of Mathematics and Statistics Lanzhou University school of Mathematical Sciences Xiamen University

Recently, we introduced the twist polynomials of delta-matroids and gave a characterization of even normal binary delta-matroids whose twist polynomials have only one term and posed a problem:what would happen for odd binary delta-matroids? In this paper, we show that a normal binary deltamatroid whose twist polynomials have only one term if and only if each connected component of the intersection graph of the delta-matroid is either a complete graph of odd order or a single vertex with a loop.

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Corpus-based research on english word recognition rates in primary school and word selection strategy

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Frontiers of Information Technology & Electronic Engineering 2017年第3期18卷 362-372页

作者： Wen-yan XIAO Ming-wen WANG Zhen WENG Li-lin ZHANG Jia-li ZUO school of Computer Information Engineering Jiangxi Normal UniversityNanchang 330022China Jiangxi University of Science and Technology Nanchang 330003China

Acquiring vocabulary is important when studying english, as it assists in listening, speaking, reading, and writing. In this paper, we develop an english webpage corpus(EWC) and create a word frequency list using web crawler technology. By comparing EWC word lists with the British National Corpus(BNC), we find that the BNC word frequency list possesses the feature of timeliness. We also explore primary school students' english word recognition rates by comparing the word frequency lists of several corpora, including EWC, BNC, SUBTLEX-US, and Subtitle Corpus of Children's BBC(CBBC). The results show that the word recognition rates for primary school children are relatively low in both general language and specific language register. Motivated by the experiment results, we finally propose some word-selection strategies for compiling english textbooks for Chinese primary school students.

关键词： Corpus Primary english Recognition rate Word frequency Coverage rate

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