unit7第3课时.ppt
Unit 7人教版八年级英语人教版八年级英语 上册上册 Dont kill the love , the love of the world , the love of our earth. Everyone should play a part in saving the earth. Because there will be fewer trees but more pollution and the environment will be in great danger. Then what can we do?Fill in the blanks with more, less or fewer.3a1. In the future, there will be _ fresh water because there will be _ pollution in the sea.2. In 100 years, there will be _ cars because there will be _ people in the cities.lessmoremoremore3. There will be _ jobs for people because _ robots will do the same jobs as people.4. I think there will be _ cities because people will build _ buildings in the country.5. In 50 years, people will have _ free time because there will be _ things to do.fewermoremoremorelessmoreComplete the predictions with what you think will happen. 1.Kids study at school now. In 100 years, _2. I sometimes see blue skies in my city, but in the future _Kids will study at home on computers.I will often see the blue skies.3b3. People now usually live to be about 70-80 years old, but in the future _4. Families usually spend time together on weekends, but maybe in 200 years _ People will live to be 200 years old.Everyday can be weekend, because they have robots to do everything.1. There will be fewer trees and the environment will be in great danger. 树将会更少,环境将会有很大的危险。树将会更少,环境将会有很大的危险。(1 1)environment environment 可指影响人们生活的各种抽象可指影响人们生活的各种抽象和具体的和具体的“状况,环境状况,环境”。the environment the environment 特指特指自然环境,其后的谓语动词用单数形式。如:自然环境,其后的谓语动词用单数形式。如:She is not used to the new environment. 她对新环境不适应。她对新环境不适应。(2 2)in great danger in great danger 意为意为“处于极大的危险中处于极大的危险中”。如:如:You are in great danger and should leave the country immediately.你正处于极大的危险中,应该马上离开这个国家。你正处于极大的危险中,应该马上离开这个国家。Language pointsLanguage points2. Will we have to move to other planets? 我们将不得不迁移到其他星球吗?我们将不得不迁移到其他星球吗?(1 1)move move 用作动词,意为用作动词,意为“转移,搬动转移,搬动”,指,指位置改变,常用位置改变,常用move tomove to,表示,表示“搬到某处搬到某处”。如:。如:Please move to the box. 请移一下这个盒子。请移一下这个盒子。They are going to move to their new house next week. 下周他们打算搬到新房里住。下周他们打算搬到新房里住。Language pointsLanguage points3. Everyone should play a part in saving the earth. 每个人都应该参与保护地球。每个人都应该参与保护地球。(1) play a part(1) play a part意为意为“参与(某事)参与(某事)”,如:,如:We play a part in protecting our city. 我们参与保护我们的城市。我们参与保护我们的城市。play a part inplay a part in另指另指“在在中起作用中起作用”。如:。如:Luck played a part in his success. 在他的成就中幸运起了一部分作用。在他的成就中幸运起了一部分作用。 part part 前常加形容词来进行修饰,前常加形容词来进行修饰,play the part play the part in in 是特指,指扮演某一个特定的角色是特指,指扮演某一个特定的角色, ,意为意为“在在中扮演中扮演角色角色 。如:。如:He would like to play a part in this historic process. 他愿意在这一历史进程中扮演一个角色。他愿意在这一历史进程中扮演一个角色。(2) earth(2) earth是名词,意为是名词,意为“地球,世界地球,世界”,指宇,指宇宙组成部分时用宙组成部分时用earthearth,指人类居住的星球时用,指人类居住的星球时用the the earthearth。如:。如:We felt the earth shaking suddenly. 我们突然感到大地在颤抖。我们突然感到大地在颤抖。4. - Will people use money in 100 years? 人们在100年以后还用钱(消费)吗? - No, they wont. Everything will be free. 不,人们将不会使用钱。所有的东西都将是免费的。(1 1)这是个以)这是个以 will will 开头的一般将来时态的一般疑问句,形开头的一般将来时态的一般疑问句,形式为:式为:Will + Will + 一般陈述句一般陈述句?(2 2)in + in + 一段时间表示一段时间表示“在(将来的)一段时间以在(将来的)一段时间以后后”,常用于将来时态。如:,常用于将来时态。如:- How soon will you come back? 你多久后回来?- I will come back in a week. 我将在一周后回来。Language pointsLanguage points(3 3)everything everything 是不定代词,意思是是不定代词,意思是“每件事每件事”,every every 和和 every every 组合的一些不定代词,常用个体组合的一些不定代词,常用个体概念表达整体含义。如:概念表达整体含义。如:Everything goes well. 一切都好。一切都好。(4 4)be free be free 这里指这里指免费的免费的,还可以表示,还可以表示“空闲空闲的,有时间的的,有时间的”,相当于,相当于have timehave time。如:。如:Are you free this evening?= Do you have time this evening? 你今晚有空吗?你今晚有空吗?5. Will there be world peace? 将有世界和平吗?将有世界和平吗? Yes, I hope so. 是的,我希望如此。是的,我希望如此。(1) peace(1) peace意为意为“和平,和平时期和平,和平时期”,”,是不可数名词是不可数名词, ,常常用于单数形式,也可表示用于单数形式,也可表示“治安,社会安定治安,社会安定”,”,当指当指人的心情或抽象事物时人的心情或抽象事物时, , 还可表示还可表示“安心,平静,安安心,平静,安静静”。如:。如:I wish that there would be peace and harmony in the world. 我希望世界和谐太平。我希望世界和谐太平。Shes never at peace with herself. 她总是静不下来。她总是静不下来。(2) I hope so(2) I hope so意为意为“我希望如此我希望如此”,soso用作副词,意用作副词,意为为“这样,如此这样,如此”。常与动词连用,以避免重复。常与动词连用,以避免重复。常与常与soso连用的动词有连用的动词有say, think, speak, believe, dosay, think, speak, believe, do等。等。如:如: I dont think so. 我认为不是这样。我认为不是这样。 Im afraid so. 恐怕是这样。恐怕是这样。(3) (3) 在在hope, believehope, believe等后面用等后面用soso表示肯定,用表示肯定,用notnot表示表示否定。如:否定。如: I believe so. 我相信如此。我相信如此。I believe not. 我相信不会这样。我相信不会这样。6. In the future, there will be less fresh water because there will be more pollution in the sea. 在未来,新鲜的水将会更少,因为在海洋中污在未来,新鲜的水将会更少,因为在海洋中污染将会更多。染将会更多。(1) in the future(1) in the future意为意为“将来,未来将来,未来”。如:。如:The boy wants to become a philosopher in the future. 这个男孩想在将来成为一名哲学家。这个男孩想在将来成为一名哲学家。(2)in the future 和和in future 辨析:辨析: in the futurein the future意为意为“将来,未来将来,未来。”如:如: We learn from the past, experience the present and hope for success in the future. 我们从过去中学习,体验现在,展望未来的成功。我们从过去中学习,体验现在,展望未来的成功。 in futurein future意为意为“以后,今后以后,今后”(=from now =from now onon),也可意为),也可意为“不久的将来不久的将来”(=in the near =in the near futurefuture或或soonsoon)。如:)。如:My dearn will come true in future/soon. 我的梦想不久就会实现。我的梦想不久就会实现。7. People now usually live to be 70-80 years old. 人们现在通常活到人们现在通常活到70 到到 80 岁。岁。“live to be + “live to be + 基数词基数词 + years old” + years old” 意为意为“活到活到岁岁”,years old years old 可省略。如:可省略。如:Two thousand years ago, few people could live to be 70 years old. 2000 多年前,极少有人能多年前,极少有人能活到活到 70 岁。岁。Language pointsLanguage points