1、英语必修 5 译林牛津版 Unit 2 第 2 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 ex
2、press 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 e
3、arth is now facing other problems .Lets try to find some of them and the effects, the causes and the solutions to them.Water pollutionEffects Many people dont have enough clean drinking water. Make people get sick.Causes Factories pour waste into rivers/lakes/seas. People throw rubbish in to rivers/
4、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.ComEffects Make pe ople get sick or even die. Make the environment dirty.Cause acid rain(酸雨). CausesFactories, power stations, c a
5、rs, air conditioners give off waste gas. Burn coal and oil. Solutions The 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 ai r.Rubbish/waste pollutionEffects Make the environment ugly, dirty and even dangero
6、us. Cause diseases.CausesThrow rubbish in the streets or inna ture. Buy products that use too much packagingSolutions Throw waste in rubbish bins.Buy products that use less packaging. 来源:学.科.网Recycle as much as possible.D eforestation DesertificationEffects Cause bad weather (sandstorm).Lands or mou
7、ntains 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.Solutions Use less wood . Plant more new trees. Try to make desert areas become green land.starvationEffects Cause society probl
8、ems: violence, crimeMany people die.Causes Wars Uneven distributions of wealthLack of educationSolutions No wars; Rich countries should helppeople who cant ge t enough food or education.Step 5.CompetitionAs a student, what can you do to reduce waste pollution and protect our environment? Discuss wit
9、h 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 t
10、o 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 th
11、at.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 pe
12、ople 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 m aking important decisions concerning problems in real life.A game is an abstraction(虚拟物)A player gets abst
13、ract 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 pe
14、ople 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 t
15、o “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 pe
16、rform 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 sci
17、entific 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 _.Agames can provide experience for the playersBgames can help develop players imaginationCgames can cause violent behaviorDgames are more than entertainment来源:学,科,网 Z,X,X,
18、K解析：选 D。确定段落主题(论点)。第一段第三句句意为：游戏是娱乐但又远不止娱乐。这是本段的论点，下一句用统计数字作为论据来论证这一观点。3What is the authors attitude towards the “computer games”？A “Violent games” can lead to the performance of violence in the“real world.”BViolence is not a consequence of the “computer games” but the cause.CGames are just entertain
19、ment and nothing more.DThe “virtual world” and the “real world” are just the same.解析：选 B。判断作者态度题。第二段倒数第三句是作者的结论：这使我们得出暴力不是后果而是导致后果的原因这样的结论。所以作者认为暴力倾向不是电脑游戏造成的后果而是人们喜欢暴力、玩暴力游戏的原因。4The best title for th is passage is _.AViole nt games cause violenceBGames：good or bad?CThe cause of violenceDThe consequence of games解析：选 B。确定文章标题。短文主要论述了游戏的作用及与暴力的关系，作者用统计数据和理论分析说明：人的暴力倾向不是玩游戏的结果而是人们喜欢暴力游戏的原因。所以B 项作短文标题较为合适。
