英语必修英语必修 5 译林牛津版译林牛津版 Unit 2 第第 2 课时表格教案（课时表格教案（Welcome）课 题M5U2 The Environment课时8-2Welcome 主备人授 课 时 间教 学 目 标(1) Make students pay attention to the environment around them and do their best to protect the environment. (2) Get the Ss to improve oral English by talking.来源:Zxxk.Com教学重、难点(1) Students are expected to express their own opinions on protecting the environment.(2) Encourage students to speak freely教、 学 具slides预习要求 workbook教师活动内容、方式学生活动内容、方式旁注Step 1 Lead-in Today, well learn something about the environment.,)What are the problems?Step 2 Talk about problems of the earthBesides natural disasters. the earth is now facing other problems .Lets try to find some of them and the effects, the causes and the solutions to them.Water pollutionEffectsMany people dont have enough clean drinking water. Make people get sick.CausesFactories pour waste into rivers/lakes/seas. People throw rubbish into rivers/lakes.SolutionsUse new technology to make sure that factories are green and clean. Clean the water in the rivers/lakes. Save water in our daily life.Air pollution来源:Zxxk.ComEffectsMake people get sick or even die. Make the environment dirty.Cause acid rain(酸雨). CausesFactories, power stations, cars, air conditioners give off waste gas. Burn coal and oil. SolutionsThe harmful smoke should be made harmless before it goes into the air. Ride bikes more. Limit the number of cars./Make cars that dontpollute the air.Rubbish/waste pollutionEffectsMake the environment ugly, dirty and even dangerous. Cause diseases.CausesThrow rubbish in the streets or innature. Buy products that use too much packagingSolutionsThrow waste in rubbish bins.Buy products that use less packaging. 来源:学.科.网Recycle as much as possible.Deforestation DesertificationEffectsCause bad weather (sandstorm).Lands or mountains turn into desert. 来源:Z。xx。k.ComCause starvation.CausesCut too much wood. Rich surface soil will be blown away by wind orwashed by rain down to hills and int rivers.SolutionsUse less wood . Plant more new trees. Try to make desert areas become green land.starvationEffectsCause society problems: violence, crimeMany people die.CausesWars Uneven distributions of wealthLack of educationSolutionsNo wars; Rich countries should helppeople who cant get enough food or education.Step 5.CompetitionAs a student, what can you do to reduce waste pollution and protect our environment? Discuss with your partners and write down the things you can do.Divide the class into two groups. The group which has more ideas will be the winner.Step 6 Summary and HomeworkToday we have talked about the environment of the earth and the ways to solve the earths problems. After class, please think more ways to protect environment. And preview next period.高考链接拓展阅读Words：324 难度系数： 建议用时：8 分钟Games originally are entertainment.Contemporary games are very realistic and for this reason they are a source of great experience for the player and develop the imagination.Games are entertainment and even more than that.The statistics(统计) of the New York University led by Green claim that the player preferring active games get improvement of some types of brain activity.In particular，game players deal with problems of simultaneously (同时地) tracking several moving objects at the average level of 30% better than people who do not play active computer video games.The “gaming” violent experience may not be the cause of violent behavior in reality.None of the playing experience will become the priority in making important decisions concerning problems in real life.A game is an abstraction(虚拟物)A player gets abstract tasks and acts according to abstract rules.Games are also the possibility to be however a person wants to be and to rest from the outside world for some time.But what if a person gets so much excited with the game scenes that he becomes violent in reality? Then，it proves that the games cause people to become violent in reality.But a psychologically healthy person will never confuse these two different worlds.A game is a virtual world with visual images very similar to human.These images represent by themselves nothing but playing obstacles(障碍)A game may potentially give the opportunity to “destroy the obstacles” that may not be destroyed according to the rules but it is more about personal choice whether to do it or not.This leads us to the conclusion that violence is not a consequence but the cause.People who are originally trended to violence may get into a temper by games and perform violence in the “real world”But in this case violence in games is a simple justification(理由) of the violent nature of the players.【解题导语】 本文论述游戏是娱乐形式却远不止供人娱乐，还能提高打游戏者同时注意观察多个移动物体的能力，因为心理健康的人不会混淆游戏中的虚拟世界和生活中的现实世界。1The passage is _.Aa story Ba descriptive writingCan argumentative writing Da scientific essay解析：选 C。判断文章体裁。短文主要论证游戏对游戏爱好者行为和心理的影响，所以这是篇议论文。2In the first paragraph the author used the statistics to prove that _.