学海无涯图作舟.pptVIP

学海无涯“图”作舟,海南华侨中学 刘莲,看一看：视觉印象,比一比：文字和图像,请阅读下面一段文字： 神经元 神经元（neuron）是一种高度特化的细胞，是神经系统的基本结构和功能单位，它具有感受刺激和传导兴奋的功能。神经元由胞体和突起两部分构成。胞体的中央有细胞核，核的周围为细胞质，胞质内除有一般细胞所具有的细胞器如线粒体、内质网等外，还含有特有的神经原纤维及尼氏体。神经元的突起根据形状和机能又分为树突dendrite和轴突axon。树突较短但分支较多，它接受冲动，并将冲动传至细胞体，各类神经元树突的数目多少不等，形态各异。每个神经元只发出一条轴突，长短不一，胞体发生出的冲动则沿轴突传出。,比较得出的数字,1：100万 右脑的信息存储量是左脑的100万倍。 1：1000 总的来说，大脑对图像的加工记忆能力是文字的1000倍。,想一想，猜一猜：思维导图,什么是思维导图？ 让你更有效地把信息放进你的大脑，或是把信息从你的大脑中取出来。 思维导图可以用到哪里？ 记笔记、背诵、整理、做计划、创作、展示,练一练，试一试：思维演习,思维导图在英语学习中的应用 图忆法背英语课文新概念英语2第1课 Last week I went to the theatre. I had a very good seat. The play was very interesting. I did not enjoy it. A young man and a young woman were sitting behind me. They were talking loudly. I got very angry. I could not hear the actors. I turned round. I looked at the man and the woman angrily. They did not pay any attention. In the end, I could not bear it. I turned round again. I cant hear a word! I said angrily. Its none of your business, the young man said rudely. This is a private conversation!,赛一赛，验一验：实践出真知,The Olympic Games will be held in our country in four years time. As a great many people will be visiting the country, the government will be building new hotels, an immense stadium, and a new Olympic standard swimming pool. They will also be building new roads and a special railway ling. The Games will be held just outside the capital and the whole area will be calledOlympic City. Workers will have completed the new roads by the end of this year. By the end of next year, they will have finished work on the new stadium. The fantastic modern buildings have been designed by Kurt Gunter. Everybody will be watching anxiously as the new buildings go up. We are all very excited and are looking forward to the O