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1、艾宾浩斯遗忘曲线,复习点的确定 人的记忆周期分为短期记忆和长期记忆两种。 第一个记忆周期是5分钟。 第二个记忆周期是30分钟 第三个记忆周期是12个小时 这三个记忆周期属于短期记忆的范畴。 下面是几个比较重要的周期。 第四个记忆周期是1 天 第五个记忆周期是2 天 第六个记忆周期是4 天 第七个记忆周期是7 天 第八个记忆周期是15天,以上的8个周期作为一个大的背词的循环的8个复习点， 可以最大程度的提高 背单词的效率。,school,kindergarten primary school middle School junior middle school senior middle sch
2、ool college teachers college institute university boarding school,巩固单词的几种方法 1.同类归纳,2.同意/近义拓宽,announce,declare state stress emphasize,3.反意词,uncountable incorrect irregular imperfect meaningless dislike,4. 词根开花,technology,technical technological technician technique hi-tech,5.动词词组,set upset out for a
3、place,set about doing sth,set out to do sth,set an example,set fire to,set off,set foot in (on),第一批规定： .上新单元前，先学单词并听写 .积极参与课堂活动，期末成绩根据课堂发言的主动和被动适当加减. .平时作业也纳入期末总评 .平时写作先请同学改错后再上交并有专供写作的作业本 .平时考试不按规定涂写（如打叉，圈等），改错不符合要求的，不再给分,良好的学习习惯是进步的基础，可能会使你终生受益 天下无难事，只怕有心人,Happy New Year!,Happy New Year,New year N
4、ew Progress,New chance,(challenge),理想的北极之光,Whats your dream?,StepI Lead-in Do you know some scientists? Can you remember their names and their scientific achievements?,Alexander Bell electricity Thomas Edison the First telephone the Wright Brothers the electric Lamp Madame Curie black holes in Unive
5、rse Franklin Theory of Gravity Steven Hawking the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity,What great inventions do you know?,Edison,electricity,It took Thomas Edison 15 years to invent the light bulb.,Genius is 1 percent inspiration and 99 percent perspiration.,Cars,
6、Aeroplanes,Radio and television,Maglev Train,Cloning,Issac Newton 1642-1727,The Theory of Gravity,Nuclear science,Solar energy,Which one do you think is the most important? Why ?,Electricity Cars Aeroplanes Radio and television The Internet Cloning The Theory of Gravity Nuclear science Solar energy,
7、Sentence Patterns:,1.The most important achievement is because 2. Of all the inventions, is considered the most important. The reasons are as follows: 3. In my opinion, is the most important. There are several reasons for this. First, Second, 4. What I think the most important is because 5. It is ha
8、rd for me to decide because ,*without it ,without modern industry,*make transportation easy and convenient.,*provide entertainment and education *keep people well-informed of the news,* Provides education and entertainment * easy way for people to communicate with each other.,* help us find cures fo
9、r disease * may help save rare animals,* clean and safe energy source, can help reduce pollution,What are some other scientific achievements that you think are important?,the invention of steam engine the discovery of “uranium” the invention of telephone,Do these achievements have anything in common ? If so, what ?,They have a great effect on peoples life. They change the lifestyle and make the human society move on and become more comfortable. They are all important and useful for the development of mankind and society.,