The study aims to inspect the influence of the pandemic of COVID-19 on the mental health of both undergraduate and postgraduate students, who have been stranded from Chinese universities. The study used the online questionnaire, which was comprised of three scales. These are self-rating anxiety scale (SAS), the self-rating depression scale (SDS), and the scale for social avoidance and distress (SAD). A total of 159 undergraduates and 153 postgraduate students have participated in this study and it comprises both males and females. For exploring the impact of the Covid-19 on the mental health of the students, who have been stranded from Chinese universities, the study has made the use of the independent sample t-test and analysis of variance (one-way ANOVA). The findings show that Mental health of students stranded from universities negatively affected due to high level of anxiety, depression, and social anxiety due to pandemic. However, the level of anxiety, depression, and social anxiety has reduced to some extent as compare to earlier studies after the emergence of pandemic of COVID-19. The outbreak of COVID-19 has affected females more than males and the postgraduate students have a lower level of depression as compared to the undergraduate students because they have shown a higher level of mean and standard deviation values. Moreover, the depression level was high among the students of Natural and Applied sciences. The results also confirm that the level of anxiety, depression, and social anxiety was high in the young students as compared to the mature ones. Then, the level of anxiety and social anxiety was high in the students, who could not resume their classes and degrees. The findings of this study suggest that the mental health o undergraduate and postgraduate students should be carefully monitored after the pandemic of COVID-19 because it has left a deep mark on their mental health. Furthermore, it also calls for proper psychological counseling for addressing the issues of depression and anxiety in them.

There has been a strong consensus among previous researchers that first language interferes with second language acquisition. A limited number of studies have been conducted to examine this interference in writing Chinese. Chinese writing exercises for primary school students of the Yi ethnic group in rural areas tend to encourage students to incorporate their native language habits into Chinese writing practices. This enables students to apply modern Chinese word order to the Yi language paradigm. Consequently, they are prone to grammatical errors, word order errors, and collocation errors in their compositions. This study focuses on elementary school students' writing abilities in order to alleviate their fears associated with Chinese writing. It also assists them in grasping the second language writing paradigm, and enjoying writing. In addition, by analyzing the composition errors of the students in the corpus, we propose some practical recommendations from three perspectives: educators, students, and institutions. These recommendations will enhance language and writing education within ethnic communities through theoretical and practical strategies.

This paper studies the effect of Mandarin proficiency on poverty reduction and its mechanism. The China General Social Survey (CGSS) is taken as the data source. From the perspective of social integration, the poverty reduction effect of Putonghua and its mechanism are empirically studied from the perspective of social interaction, social fairness, and social trust. The findings showed that improving the ability to listen and speak Mandarin positively affects social interaction, social trust, and social fairness. It showed that Putonghua proficiency positively correlates with the suppression of economic poverty. After the occurrence of poverty, whether a sample of absolute poverty or relative poverty, the ability to listen and speak in Mandarin has a specific inhibitory effect on social interaction, social trust, and social fairness. After the occurrence of poverty, the frequency of social interaction, social trust, and social public since have been reduced to a certain extent. Specifically, the ability to express Mandarin has shown remarkable results in improving social interaction, and the ability to listen among ordinary people has shown remarkable results in enhancing social fairness. The results of this paper provide empirical evidence of poverty alleviation in China via Improving Mandarin Proficiency. This research is also of great significance for optimizing poverty alleviation paths through language in the post-poverty alleviation era.

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With COVID-19 raging and individuals exercising at home, the adoption of fitness wearable technology (FWT) that help people monitor their physical state has become a pressing matter. Here, we try to bridge the gap that no researcher has examined the link between perceived usefulness (PU) and FWT adoption by using meta-analysis to comprehend the detailed numerical values and moderating factors affecting the relationship. A total of 24 articles with 7180 re-pendants were investigated from January 1, 2015 to March 1, 2022 A.D, producing significant results as follows: (1) There is publication bias in relevant research, and sensitivity analysis suggests that PU influences FWT adoption positively; (2) Subgroup test and regression analysis suggested that cultural background, gender, and COVID-19 can deepen this relationship to varying degrees. More precisely, female (r=0.669) have a greater impact on FWT adoption than men (r=0.658). In addition, users in other countries (r=0.670) are more concerned about PU than Chinese users (r=0.658). Regression analysis showed that after the COVID-19 outbreak, the coefficient (r=0.762) of PU on FWT adoption increased significantly, indicating that people need FWT-assisted exercise to understand and maintain their own physical fitness. The research opens up new ideas for different governments and scholars to promote mass fitness and public health during the COVID-19, providing a reference for the scientific research and development of PU and marketing promotion of the related enterprises’ FWT.