1、第 课时 课题名称时间 第 周 星期 课型 Language points 主备课人 目标 Knowledge aims: Learn useful words and expressions Ability aims: Use the useful words and expressions correctly.重点 Master the usage of the key words and expressions.难点 Master the sentence patterns: This produced a chain reaction, which made it possible f
2、or life to develop二次备课在课文中找出下列句子1. 没有人确切地知道地球是怎样开始的，因为它发生在很久以前。2. 地球变得如此动荡激烈以至于不知道这个固体形状是否会继续存在下去。3. 更重要的是当地球冷却下来，水就出现在其表面。4. 这就产生了一个连锁反应，是生命的发展成为可能。自主学习 问题生成记录： 精讲互动1.Because the atmosphere can hold some heat from the sun, otherwise the earth would be too cold to live on at night. atmosphere 词性：_ 词
3、义：_There is always a friendly atmosphere in my family when we get together.atmosphere 词性：_ 词义：_2.Water had also appeared on other planets like Mars, but unlike the earth, it had disappeared later. 【归纳】unlike 词性：_ 词义：_They are both teachers. Apart from this, they are quite unlike.【归纳】unlike 词性：_ 词义：_
4、3.It is harmful to your eyes to read in the sun.【归纳】be harmful to=do harm to 【拓展】I mean no harm.翻译: We will not do anything that harm the cause of peace.翻译： 1. Dont be silly, such a thing does not exist.【归纳】exist 词性：_ 词义：_【用法】Fish can not exist without water.【拓展】existence n. 词义：_ come into existence
5、,产生，开始存在in existence,现存的5.How the earth came into being is still a puzzle to us.puzzle 词性： _ 词义：_What puzzles me most is why some students are so silent in class.puzzle 词性： _ 词义：_【拓展】 puzzling 词义：_ puzzled 词义：_6.in time【用法】The police came in time, so the accident was stopped. 【用法】You will succeed in
6、 time if you keep on working hard.【归纳】in time 词义_ 7.Because they gave birth to young baby animals and produced milk to feed them.【归纳】give birth to 词义_【用法】This accident gave birth to the beginning of the war.【归纳】give birth to 词义_达标训练单项填空1. 1Completely lost in the exciting of the football match, Tom d
7、idnt feel his pocket picked .A scene B. view C. atmosphere D. sight2. 2 The train was held up by the snowstorm, causing the delay.A. A however B. and C. otherwise D. thus3. 3 Measures have been taken to prevent the river from .A .having polluted B. being polluting C. being polluted D. to polluted4. I am sure you will succeed because you are intelligence and are always working hard. A. at times B. in time C. on time D. at one time5. A temple here hundreds of years ago.A. exists B. existed C. was existed D. was existing.作业反思板书设计
