绘本故事是反映儿童生活的图画书,它鲜活生动,简单易懂,非常适合小学生认识与学习语言,在英语教学中,有很强的适应性与生命力。在小学英语绘本阅读教学中,我们要善于发挥绘本故事灵动、传神的“说话”价值,引导学生们在思考中理解故事,...绘本故事是反映儿童生活的图画书,它鲜活生动,简单易懂,非常适合小学生认识与学习语言,在英语教学中,有很强的适应性与生命力。在小学英语绘本阅读教学中,我们要善于发挥绘本故事灵动、传神的“说话”价值,引导学生们在思考中理解故事,在体验中感受快乐,实现“learn for fun,read for fun”的教学目的。展开更多
AIM: To evaluate the utility of liver reserve function by acoustic radiation force impulse(ARFI) imaging in patients with liver tumors. METHODS: Seventy-six patients with liver tumors were enrolled in this study. Seru...AIM: To evaluate the utility of liver reserve function by acoustic radiation force impulse(ARFI) imaging in patients with liver tumors. METHODS: Seventy-six patients with liver tumors were enrolled in this study. Serum biochemical indexes, such as aminotransferase(ALT), aspartate aminotransferase(AST), serum albumin(ALB), total bilirubin(T-Bil), and other indicators were observed. Liver stiffness(LS) was measured by ARFI imaging, measurements were repeated 10 times, and the average value of the results was taken as the final LS value. Indocyanine green(ICG) retention was performed, and ICG-K and ICG-R15 were recorded. Child-Pugh(CP) scores were carried out based on patient's preoperative biochemical tests and physical condition. Correlations among CP scores,ICG-R15, ICG-K and LS values were observed and analyzed using either the Pearson correlation coefficient or the Spearman rank correlation coefficient. KruskalWallis test was used to compare LS values of CP scores, and the receiver-operator characteristic(ROC) curve was used to analyze liver reserve function assessment accuracy. RESULTS: LS in the ICG-R15 10%-20% group was significantly higher than in the ICG-R15 < 10% group; and the difference was statistically significant(2.19 ± 0.27 vs 1.59 ± 0.32, P < 0.01). LS in the ICG-R15 > 20% group was significantly higher than in the ICG-R15 < 10% group; and the difference was statistically significant(2.92 ± 0.29 vs 1.59 ± 0.32, P < 0.01). The LS value in patients with CP class A was lower than in patients with CP class B(1.57 ± 0.34 vs 1.86 ± 0.27, P < 0.05), while the LS value in patients with CP class B was lower than in patients with CP class C(1.86 ± 0.27 vs 2.47 ± 0.33, P < 0.01). LS was positively correlated with ICG-R15(r = 0.617, P < 0.01) and CP score(r = 0.772, P < 0.01). Meanwhile, LS was negatively correlated with ICG-K(r =-0.673, P < 0.01). AST, ALT and T-Bil were positively correlated with LS, while ALB was negatively correlated with LS(P < 0.05). The ROC curve revealed that the when the LS value was 2.34 m/s, the Youden index was at its highest point, sensitivity was 69.2% and specificity was 92.1%. CONCLUSION: For patients with liver tumors, ARFI imaging is a useful tool for assessing liver reserve function.展开更多
The present paper is a response to the current problematic situation of oral English teaching at the tertiary level in China and the increasing popularity of web-based mobile oral English learning in oral English clas...The present paper is a response to the current problematic situation of oral English teaching at the tertiary level in China and the increasing popularity of web-based mobile oral English learning in oral English classes.Our paper focuses on the use of mobile-phone-based educational software known as“English Fun Dubbing”(EFD)and its advantages in terms of teaching and learning phonetics and oral English in the college classroom.The starting point was a needs analysis which revealed the lack of practice regarding English speaking.In this study,an action research method was adopted,involving 40 second-year students,who employed“classroom teaching+English Fun Dubbing”model as the intervention.Extensive examples from this model were used to build up a picture of the blended learning processes at work.Several imitation tasks,a conversational activity and a speech-delivering task were designed and implemented.Direct observation and the results of the questionnaire survey provided the evidence of the improvement in the students’oral performance.It is our aim to develop the present project to incorporate oral proficiency.The main results of this action research were reflected in the adjustments in the pedagogical treatment,the changes in the role of the teacher and the student,and the shifts in the students’attitudes towards their learning process.展开更多
文摘绘本故事是反映儿童生活的图画书,它鲜活生动,简单易懂,非常适合小学生认识与学习语言,在英语教学中,有很强的适应性与生命力。在小学英语绘本阅读教学中,我们要善于发挥绘本故事灵动、传神的“说话”价值,引导学生们在思考中理解故事,在体验中感受快乐,实现“learn for fun,read for fun”的教学目的。
文摘AIM: To evaluate the utility of liver reserve function by acoustic radiation force impulse(ARFI) imaging in patients with liver tumors. METHODS: Seventy-six patients with liver tumors were enrolled in this study. Serum biochemical indexes, such as aminotransferase(ALT), aspartate aminotransferase(AST), serum albumin(ALB), total bilirubin(T-Bil), and other indicators were observed. Liver stiffness(LS) was measured by ARFI imaging, measurements were repeated 10 times, and the average value of the results was taken as the final LS value. Indocyanine green(ICG) retention was performed, and ICG-K and ICG-R15 were recorded. Child-Pugh(CP) scores were carried out based on patient's preoperative biochemical tests and physical condition. Correlations among CP scores,ICG-R15, ICG-K and LS values were observed and analyzed using either the Pearson correlation coefficient or the Spearman rank correlation coefficient. KruskalWallis test was used to compare LS values of CP scores, and the receiver-operator characteristic(ROC) curve was used to analyze liver reserve function assessment accuracy. RESULTS: LS in the ICG-R15 10%-20% group was significantly higher than in the ICG-R15 < 10% group; and the difference was statistically significant(2.19 ± 0.27 vs 1.59 ± 0.32, P < 0.01). LS in the ICG-R15 > 20% group was significantly higher than in the ICG-R15 < 10% group; and the difference was statistically significant(2.92 ± 0.29 vs 1.59 ± 0.32, P < 0.01). The LS value in patients with CP class A was lower than in patients with CP class B(1.57 ± 0.34 vs 1.86 ± 0.27, P < 0.05), while the LS value in patients with CP class B was lower than in patients with CP class C(1.86 ± 0.27 vs 2.47 ± 0.33, P < 0.01). LS was positively correlated with ICG-R15(r = 0.617, P < 0.01) and CP score(r = 0.772, P < 0.01). Meanwhile, LS was negatively correlated with ICG-K(r =-0.673, P < 0.01). AST, ALT and T-Bil were positively correlated with LS, while ALB was negatively correlated with LS(P < 0.05). The ROC curve revealed that the when the LS value was 2.34 m/s, the Youden index was at its highest point, sensitivity was 69.2% and specificity was 92.1%. CONCLUSION: For patients with liver tumors, ARFI imaging is a useful tool for assessing liver reserve function.
文摘The present paper is a response to the current problematic situation of oral English teaching at the tertiary level in China and the increasing popularity of web-based mobile oral English learning in oral English classes.Our paper focuses on the use of mobile-phone-based educational software known as“English Fun Dubbing”(EFD)and its advantages in terms of teaching and learning phonetics and oral English in the college classroom.The starting point was a needs analysis which revealed the lack of practice regarding English speaking.In this study,an action research method was adopted,involving 40 second-year students,who employed“classroom teaching+English Fun Dubbing”model as the intervention.Extensive examples from this model were used to build up a picture of the blended learning processes at work.Several imitation tasks,a conversational activity and a speech-delivering task were designed and implemented.Direct observation and the results of the questionnaire survey provided the evidence of the improvement in the students’oral performance.It is our aim to develop the present project to incorporate oral proficiency.The main results of this action research were reflected in the adjustments in the pedagogical treatment,the changes in the role of the teacher and the student,and the shifts in the students’attitudes towards their learning process.
