Oral language teaching plays a more and more important role in foreign language teaching. This paper focuses on the disadvantageous factors in oral language teaching and tries to find out some solutions for those prob...Oral language teaching plays a more and more important role in foreign language teaching. This paper focuses on the disadvantageous factors in oral language teaching and tries to find out some solutions for those problems.展开更多
In recent years, the use of new biomarkers in different phases of the diagnosis andtreatment of several diseases has allowed substantial improvement in clinicalpractice. The use of donor-derived cell-free DNA (dd-cfDN...In recent years, the use of new biomarkers in different phases of the diagnosis andtreatment of several diseases has allowed substantial improvement in clinicalpractice. The use of donor-derived cell-free DNA (dd-cfDNA) in organ transplantationhas led to significant progress in the treatment of post-transplantoutcomes, particularly after kidney transplantation. In addition, the use of ddcfDNAin organ transplantation has led to significant advancements in posttransplantoutcome monitoring. The aim of this study is to review many of therecent studies on the use of this biomarker and to evaluate its most relevantadvantages and limitations. dd-cfDNA is released from several types of cells ofthe transplanted organ, most often from endothelial cells and this happens in thecase of organ damage, most often rejection. Its presence in the bloodstream of therecipients is an important sign of graft damage;its principal advantage is in theavoidance of invasive tools such as renal biopsy. Additionally, several studiesreported that the finding of dd-cfDNA in the serum may precede histologicalabnormalities;its utility in the diagnosis of subclinical rejection is extremelyimportant. Among the principal limitations of this tool are the difficulty in distinguishingdifferent forms of graft damage. According to several studies this toolhas several limitations in diagnosing T-cell mediated rejection. In addition,particular care should be taken in distinguishing dd-cfDNA from recipientderivedcfDNA.展开更多
The extensive application of artificial intelligence(AI)technology is profoundly affecting the ecology of education.To analyze the advantages and disadvantages of AI for the professional growth of students,this study ...The extensive application of artificial intelligence(AI)technology is profoundly affecting the ecology of education.To analyze the advantages and disadvantages of AI for the professional growth of students,this study systematically analyzed the potential dual impacts of AI in higher education from two dimensions,namely academic ability and thinking patterns.Results indicated AI facilitated the development of students by improving learning efficiency and optimizing the integration of resources.However,it simultaneously aggravated the crisis of academic integrity and the inertia of thinking.In responding to these issues,this study proposed an integrated framework that included management,guidance,and standardization.This framework would facilitate the positive interaction between AI and education,contributing to the professional development of students.展开更多
IV.阅读理解。认真阅读下面两篇短文,每篇短文后各有五个问题,根据短文的内容从A、B、c、D四个选项中,选择一个正确答案。(本大题共10小题,每小题1分,共10分)Read the two passages and answer the questions. (10 points)Passage oneTh...IV.阅读理解。认真阅读下面两篇短文,每篇短文后各有五个问题,根据短文的内容从A、B、c、D四个选项中,选择一个正确答案。(本大题共10小题,每小题1分,共10分)Read the two passages and answer the questions. (10 points)Passage oneThe advantages and disadvantages of a large population has long been a subject of展开更多
上次谈到针对每个话题要从不同的角度切入,而且切入后要立即将其展开。比如当你谈到 Pedestrians ignoring traffic signalsand road signs,你可以说:I have seen in-stances where pedestrians cross streets regard-less of the traff...上次谈到针对每个话题要从不同的角度切入,而且切入后要立即将其展开。比如当你谈到 Pedestrians ignoring traffic signalsand road signs,你可以说:I have seen in-stances where pedestrians cross streets regard-less of the traffic lights.Even if you are usingthe zebra crossing.it doesn’t mean you cancross the street when the light is red.再比如,当你谈到 Separate bicycle roads from展开更多
对考生说来,关键的问题是找准切入点。不论哪一方面的问题,只要找准切入点,回答问题就会变得容易得多。比如在上一期有 The disadvantage of living in the ruralarea 这样一个话题。如果你想到的是生活在乡下“很不方便”(less conveni...对考生说来,关键的问题是找准切入点。不论哪一方面的问题,只要找准切入点,回答问题就会变得容易得多。比如在上一期有 The disadvantage of living in the ruralarea 这样一个话题。如果你想到的是生活在乡下“很不方便”(less convenient),那么,你还得进一步缩小你的范围,不方便的地方多着呢,你指的是哪一方面?展开更多
In this article,the author analyzes in detail the advantages,disadvantages and forming of the multiple choice item in examinations.On its basis,the author also explores some aspects the teacher should pay attention to...In this article,the author analyzes in detail the advantages,disadvantages and forming of the multiple choice item in examinations.On its basis,the author also explores some aspects the teacher should pay attention to while setting an examination paper.展开更多
background Substantial variations in the prevalence of mild cognitive impairment(MCI)and its subtypes have been reported,although mostly in geographically defined developed countries and regions.Less is known about MC...background Substantial variations in the prevalence of mild cognitive impairment(MCI)and its subtypes have been reported,although mostly in geographically defined developed countries and regions.Less is known about MCI and its subtypes in rural areas of less developed central China.Aims The study aimed to compare the prevalence of MCI and its subtypes in residents aged 65 years or older in urban and rural areas of Hubei Province,China.Methods Participants aged 65 years or older were recruited between 2018 and 2019.Inperson structured interviews and clinical and neuropsychological assessments were performed at city health community centres and township hospitals.results Among 2644 participants without dementia,735 had MCI,resulting in a prevalence of 27.8%for total MCI,20.9%for amnestic MCI(aMCI)and 6.9%for non-amnestic MCI(naMCI).The prevalence of MCI in urban and rural areas was 20.2%and 44.1%,respectively.After adjusting for demographic factors,the prevalence of total MCI,aMCI and naMCI differed significantly between rural and urban areas(adjusted odds ratio(OR)2.10,1.44 and 3.76,respectively).Subgroup analysis revealed an association between rural socioeconomic and lifestyle disadvantage and MCI and its subtypes.Conclusions Our findings suggest that the prevalence of MCI among urban residents in central China is consistent with that in other metropolis areas,such as Shanghai,but the prevalence in rural areas is twice that in urban areas.Prospective studies and dementia prevention in China should focus on rural areas.展开更多
Nutrition poverty alleviation is an effective measure to improve the nutritional status of economically disadvantaged individuals,fundamentally improving their health and reducing poverty.Based on the Entitlement Theo...Nutrition poverty alleviation is an effective measure to improve the nutritional status of economically disadvantaged individuals,fundamentally improving their health and reducing poverty.Based on the Entitlement Theory and using the China Health and Nutrition Survey(CHNS)data,this paper examines the relationship between farmers’nutritional intake,production structure and regional market conditions.Results show that farmers with diversified production have better nutritional intake than those who specialize.Furthermore,the correlation between regional market conditions and nutritional intake varies between economically disadvantaged and non-economically disadvantaged households.Market conditions significantly influence the carbohydrate and fat intake of economically disadvantaged households and are positively associated with the dietary structure and nutritional intake of non-economically disadvantaged ones.Moreover,income is positively correlated with the nutritional intake of non-economically disadvantaged households but not with economically disadvantaged ones.展开更多
The development of information technology has changed people's learning methods. Fragmented learning,as an informal learning method,has become an important way to accept new knowledge and learn new technologies. T...The development of information technology has changed people's learning methods. Fragmented learning,as an informal learning method,has become an important way to accept new knowledge and learn new technologies. Through analyzing the connotation,characteristics,and advantages and disadvantages of fragmented learning,this paper came up with reasonable recommendations for fragmented learning. To truly become systematic and holistic knowledge,fragmented knowledge must be explored,understood,integrated and internalized. This paper is expected to play an important guiding role in building a lifelong learning society.展开更多
Hydrochromic materials have attracted increasing attention due to the visual color change behaviors,but the disadvantage of slow color change and irreversibility are still serious obstacles to achieve practical applic...Hydrochromic materials have attracted increasing attention due to the visual color change behaviors,but the disadvantage of slow color change and irreversibility are still serious obstacles to achieve practical application.展开更多
Recently, a new（2＋1）-dimensional displacement shallow water wave equation（2DDSWWE） was constructed by applying the variational principle of analytic mechanics in the Lagrange coordinates. However, the simplificat...Recently, a new（2＋1）-dimensional displacement shallow water wave equation（2DDSWWE） was constructed by applying the variational principle of analytic mechanics in the Lagrange coordinates. However, the simplification of the nonlinear term related to the incompressibility of the shallow water in the 2DDSWWE is a disadvantage of this approach.Applying the theory of nonlinear continuum mechanics, we add some new nonlinear terms to the 2DDSWWE and construct a new fully nonlinear（2＋1）-dimensional displacement shallow water wave equation（FN2DDSWWE）. The presented FN2DDSWWE contains all nonlinear terms related to the incompressibility of shallow water. The exact travelling-wave solution of the proposed FN2DDSWWE is also obtained, and the solitary-wave solution can be deduced from the presented travelling-wave solution under a special selection of integral constants.展开更多
文摘Oral language teaching plays a more and more important role in foreign language teaching. This paper focuses on the disadvantageous factors in oral language teaching and tries to find out some solutions for those problems.
文摘In recent years, the use of new biomarkers in different phases of the diagnosis andtreatment of several diseases has allowed substantial improvement in clinicalpractice. The use of donor-derived cell-free DNA (dd-cfDNA) in organ transplantationhas led to significant progress in the treatment of post-transplantoutcomes, particularly after kidney transplantation. In addition, the use of ddcfDNAin organ transplantation has led to significant advancements in posttransplantoutcome monitoring. The aim of this study is to review many of therecent studies on the use of this biomarker and to evaluate its most relevantadvantages and limitations. dd-cfDNA is released from several types of cells ofthe transplanted organ, most often from endothelial cells and this happens in thecase of organ damage, most often rejection. Its presence in the bloodstream of therecipients is an important sign of graft damage;its principal advantage is in theavoidance of invasive tools such as renal biopsy. Additionally, several studiesreported that the finding of dd-cfDNA in the serum may precede histologicalabnormalities;its utility in the diagnosis of subclinical rejection is extremelyimportant. Among the principal limitations of this tool are the difficulty in distinguishingdifferent forms of graft damage. According to several studies this toolhas several limitations in diagnosing T-cell mediated rejection. In addition,particular care should be taken in distinguishing dd-cfDNA from recipientderivedcfDNA.
文摘The extensive application of artificial intelligence(AI)technology is profoundly affecting the ecology of education.To analyze the advantages and disadvantages of AI for the professional growth of students,this study systematically analyzed the potential dual impacts of AI in higher education from two dimensions,namely academic ability and thinking patterns.Results indicated AI facilitated the development of students by improving learning efficiency and optimizing the integration of resources.However,it simultaneously aggravated the crisis of academic integrity and the inertia of thinking.In responding to these issues,this study proposed an integrated framework that included management,guidance,and standardization.This framework would facilitate the positive interaction between AI and education,contributing to the professional development of students.
文摘IV.阅读理解。认真阅读下面两篇短文,每篇短文后各有五个问题,根据短文的内容从A、B、c、D四个选项中,选择一个正确答案。(本大题共10小题,每小题1分,共10分)Read the two passages and answer the questions. (10 points)Passage oneThe advantages and disadvantages of a large population has long been a subject of
文摘上次谈到针对每个话题要从不同的角度切入,而且切入后要立即将其展开。比如当你谈到 Pedestrians ignoring traffic signalsand road signs,你可以说:I have seen in-stances where pedestrians cross streets regard-less of the traffic lights.Even if you are usingthe zebra crossing.it doesn’t mean you cancross the street when the light is red.再比如,当你谈到 Separate bicycle roads from
文摘对考生说来,关键的问题是找准切入点。不论哪一方面的问题,只要找准切入点,回答问题就会变得容易得多。比如在上一期有 The disadvantage of living in the ruralarea 这样一个话题。如果你想到的是生活在乡下“很不方便”(less convenient),那么,你还得进一步缩小你的范围,不方便的地方多着呢,你指的是哪一方面?
文摘In this article,the author analyzes in detail the advantages,disadvantages and forming of the multiple choice item in examinations.On its basis,the author also explores some aspects the teacher should pay attention to while setting an examination paper.
基金The study was funded by the National Natural Science Foundation of China(71774127,81771488,81870901).
文摘background Substantial variations in the prevalence of mild cognitive impairment(MCI)and its subtypes have been reported,although mostly in geographically defined developed countries and regions.Less is known about MCI and its subtypes in rural areas of less developed central China.Aims The study aimed to compare the prevalence of MCI and its subtypes in residents aged 65 years or older in urban and rural areas of Hubei Province,China.Methods Participants aged 65 years or older were recruited between 2018 and 2019.Inperson structured interviews and clinical and neuropsychological assessments were performed at city health community centres and township hospitals.results Among 2644 participants without dementia,735 had MCI,resulting in a prevalence of 27.8%for total MCI,20.9%for amnestic MCI(aMCI)and 6.9%for non-amnestic MCI(naMCI).The prevalence of MCI in urban and rural areas was 20.2%and 44.1%,respectively.After adjusting for demographic factors,the prevalence of total MCI,aMCI and naMCI differed significantly between rural and urban areas(adjusted odds ratio(OR)2.10,1.44 and 3.76,respectively).Subgroup analysis revealed an association between rural socioeconomic and lifestyle disadvantage and MCI and its subtypes.Conclusions Our findings suggest that the prevalence of MCI among urban residents in central China is consistent with that in other metropolis areas,such as Shanghai,but the prevalence in rural areas is twice that in urban areas.Prospective studies and dementia prevention in China should focus on rural areas.
基金supported by the National Social Science Fund of China (19AGL020)funding from the National Institute for Health (NIH), the Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) for R01 HD30880+2 种基金National Institute on Aging (NIA) for R01 AG065357National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) for R01DK104371 and R01HL108427the NIH Fogarty grant D43 TW009077
文摘Nutrition poverty alleviation is an effective measure to improve the nutritional status of economically disadvantaged individuals,fundamentally improving their health and reducing poverty.Based on the Entitlement Theory and using the China Health and Nutrition Survey(CHNS)data,this paper examines the relationship between farmers’nutritional intake,production structure and regional market conditions.Results show that farmers with diversified production have better nutritional intake than those who specialize.Furthermore,the correlation between regional market conditions and nutritional intake varies between economically disadvantaged and non-economically disadvantaged households.Market conditions significantly influence the carbohydrate and fat intake of economically disadvantaged households and are positively associated with the dietary structure and nutritional intake of non-economically disadvantaged ones.Moreover,income is positively correlated with the nutritional intake of non-economically disadvantaged households but not with economically disadvantaged ones.
基金Supported by Research Project on Education and Teaching Reform of Higher Education Institutions in Hainan Province(Hnjg2016-12)Education and Teaching Reform Research Project of Hainan University(hdjy1604)
文摘The development of information technology has changed people's learning methods. Fragmented learning,as an informal learning method,has become an important way to accept new knowledge and learn new technologies. Through analyzing the connotation,characteristics,and advantages and disadvantages of fragmented learning,this paper came up with reasonable recommendations for fragmented learning. To truly become systematic and holistic knowledge,fragmented knowledge must be explored,understood,integrated and internalized. This paper is expected to play an important guiding role in building a lifelong learning society.
基金National Natural Science Foundation of China(Nos.62071410 and 62101477)the Scientific Research Foundation of Hunan Provincial Education Department(Nos.19A475 and 19C1739)+1 种基金Hunan Science and Technology Plan Program(No.2019RS1056)Hunan Provincial Natural Science Foundation of China(No.2021JJ40542)。
文摘Hydrochromic materials have attracted increasing attention due to the visual color change behaviors,but the disadvantage of slow color change and irreversibility are still serious obstacles to achieve practical application.
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11272076 and 51609034)China Postdoctoral Science Foundation(Grant No.2016M590219)
文摘Recently, a new（2＋1）-dimensional displacement shallow water wave equation（2DDSWWE） was constructed by applying the variational principle of analytic mechanics in the Lagrange coordinates. However, the simplification of the nonlinear term related to the incompressibility of the shallow water in the 2DDSWWE is a disadvantage of this approach.Applying the theory of nonlinear continuum mechanics, we add some new nonlinear terms to the 2DDSWWE and construct a new fully nonlinear（2＋1）-dimensional displacement shallow water wave equation（FN2DDSWWE）. The presented FN2DDSWWE contains all nonlinear terms related to the incompressibility of shallow water. The exact travelling-wave solution of the proposed FN2DDSWWE is also obtained, and the solitary-wave solution can be deduced from the presented travelling-wave solution under a special selection of integral constants.
