1) less teaching and more learning
少教多学
1.
The specific ways of it are: first to do and last to learn,first to learn and last to teach,less teaching and more learning,determine teaching by learning.
生本教育的具体方法是:先做后学,先学后教,少教多学,以学定教,进而不教而教。
2) the students in the Juvenile Cultivation Institution
少教学员
3) How much is the tuition?
学费是多少?
5) young learners English teaching
少儿英语教学
1.
Based on its theories,this article shows the actual utilization of the TPR teaching mode in young learners English teaching,states my own teaching experience and confirms the usability of TPR teaching approach to the young learners English teaching by using the questionnaire survey and the data statistics.
在阐述其理论的基础上,展示了其教学模式在少儿英语教学中的实际运用,陈述了本人对全身反应法教学的体会,并运用问卷调查和数据统计的方法证实了全身反应教学法对少儿英语教学的实用性。
6) science and technology education in adolescent students
青少年科学教育
1.
Approach and characteristic on science and technology education in adolescent students in Germany since the World War Two
德国青少年科学教育主要分为学校科学教育和学校之外的科普教育。
补充资料:多苯基多亚甲基多异氰酸酯
多苯基多亚甲基多异氰酸酯,简称PAPI,或称粗MDI,浅黄色至褐色粘稠液体.有刺激性气味。相对密度(20℃/20 ℃)1.2,燃点218℃。PAPI实际上是由50%MDI与50%官能度大于2以上的多异氰酸酯组成的混合物。升温时能发生自聚作用。溶于氯苯、邻二氯苯、甲苯等。PAPI的活性低,蒸气压低,只是TDI的百分之一,故毒性很低。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
用于制造聚氨脂胶粘剂。也可直接加入橡胶胶粘剂中,改善橡胶与尼龙或聚酯线的粘接性能。贮存于阴凉、通风、干燥的库房内,远离火种、热源。严格防水、防潮,避免光照。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条