Good and effective approach of teaching has always been of the pursuit of language teachers.There have been heated discussions on the effective ways of of English teaching.Some are in favor of the communicative approa...Good and effective approach of teaching has always been of the pursuit of language teachers.There have been heated discussions on the effective ways of of English teaching.Some are in favor of the communicative approach while others are of the traditional approach.This paper will discuss these two kinds of approaches and make an analysis of the teacher’s role in different aproaches.展开更多
The novel of COVID-19 disease started in late 2019 making the worldwide governments came across a high number of critical and death cases,beyond constant fear of the collapse in their health systems.Since the beginnin...The novel of COVID-19 disease started in late 2019 making the worldwide governments came across a high number of critical and death cases,beyond constant fear of the collapse in their health systems.Since the beginning of the pandemic,researchers and authorities are mainly concerned with carrying out quantitative studies(modeling and predictions)overcoming the scarcity of tests that lead us to under-reporting cases.To address these issues,we introduce a Bayesian approach to the SIR model with correction for underreporting in the analysis of COVID-19 cases in Brazil.The proposed model was enforced to obtain estimates of important quantities such as the reproductive rate and the average infection period,along with the more likely date when the pandemic peak may occur.Several under-reporting scenarios were considered in the simulation study,showing how impacting is the lack of information in the modeling.展开更多
文摘Good and effective approach of teaching has always been of the pursuit of language teachers.There have been heated discussions on the effective ways of of English teaching.Some are in favor of the communicative approach while others are of the traditional approach.This paper will discuss these two kinds of approaches and make an analysis of the teacher’s role in different aproaches.
文摘The novel of COVID-19 disease started in late 2019 making the worldwide governments came across a high number of critical and death cases,beyond constant fear of the collapse in their health systems.Since the beginning of the pandemic,researchers and authorities are mainly concerned with carrying out quantitative studies(modeling and predictions)overcoming the scarcity of tests that lead us to under-reporting cases.To address these issues,we introduce a Bayesian approach to the SIR model with correction for underreporting in the analysis of COVID-19 cases in Brazil.The proposed model was enforced to obtain estimates of important quantities such as the reproductive rate and the average infection period,along with the more likely date when the pandemic peak may occur.Several under-reporting scenarios were considered in the simulation study,showing how impacting is the lack of information in the modeling.