新牛津译林版高中英语-Unit-4-Reading-课件.ppt-(课件无音视频)
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1、ReadingImagine what life will be like if we live on Mars in the future.What problems does Earth have?large populationpollutionEarthMars a better world crowdedpollutedspacecraftspace shuttlespacecrafttoo slow to carry large numbers of people to Marsfloat away into spacegravityonline teacherThey are t
2、eachers who can help you at any time and any place in an online school.food on Mars in the form of pillshelmetspecial bootsspace suitThe Mars will turn into another Earth in the future.A Life on another planetDaniel wants to find out more about life in space in the future.He has found the following
3、article by a famous scientist who thinks humans could live on Mars by the next century.Some people believe that humans could live on the planet Mars by the year 2100.Our own planet,the Earth,is becoming more and more crowded and polluted because of the rapid increase in population.It is hoped that p
4、eople could start all over again and build a better world on Mars.Here is what life there could be like.Moving to Mars备注:见备注:见Flash课件课件 Reading A At present,our spacecraft are too slow to carry large numbers of passengers to Marsit would take months.With the development of technology,by the year 210
5、0,the journey might only take about 20 minutes in spacecraft that travel at the speed of light!However,the spacecraft would travel so fast that the journey to Mars might be quite uncomfortable.Many people would feel ill.Humans cannot survive without water,oxygen or food.So far,nobody knows whether t
6、here would be enough water or oxygen on Mars for people there.Moreover,scientists are not sure whether plants could grow on Mars.Food would most probably be in the form of pills and would not be so tasty.Language points1.Our own planet,the Earth,is becoming more and more crowded and polluted because
7、 of the rapid increase in population.由于人口的迅速增长,我们自己的星球由于人口的迅速增长,我们自己的星球地地 球,变得越来越拥挤,污染也越来越严重。球,变得越来越拥挤,污染也越来越严重。more and more 越来越越来越 A.more and more+n.More and more people like playing computer games.越来越多的人喜欢玩电脑游戏。越来越多的人喜欢玩电脑游戏。B.more and more+adj.(多音节多音节)You are more and more beautiful.C.“比较级比较级+an
8、d+比较级比较级”意为意为“越来越越来越”,多音节形容词用多音节形容词用more and more+原形。原形。越来越年轻越来越年轻越来越快越来越快越来越聪明越来越聪明越来越细心越来越细心越来越好越来越好越来越舒服越来越舒服The weather gets colder and colder.天气变得越来越冷了。天气变得越来越冷了。younger and younger faster and faster cleverer and cleverer more and more carefulbetter and better more and more comfortableD.“the+比较
9、级比较级,the+比较级比较级”意意 为为“越越越越”。The more you smile,the happier you will feel.你笑得越多,你会感觉越快乐。你笑得越多,你会感觉越快乐。_ children there are in a family,_ their family will be.A.The less;the better B.The fewer;the better C.Fewer;richer D.More;poorerB because of 意为意为“因为;由于因为;由于”She was absent because of sickness.她因病缺席。
10、她因病缺席。because of介词短语介词短语,不能引导从句不能引导从句,其后一般,其后一般跟名词、代词、动词跟名词、代词、动词-ing 形式或名词形式或名词短语短语 because连词连词,通常是说话人用来陈述理由或,通常是说话人用来陈述理由或原因,原因,后接原因状语从句后接原因状语从句 They didnt go to the museum because of the rain.=They didnt go to the museum because it rained.因为下雨,他们没去博物馆。因为下雨,他们没去博物馆。2.It is hoped that people could
11、start all over again and build a better world on Mars.人们有望能够在火星上重新开始,建设一人们有望能够在火星上重新开始,建设一 个更好的世界。个更好的世界。句型句型It is hoped that表示表示“可以指望可以指望”,指说话者希望如此。指说话者希望如此。如:如:It is hoped that we can finish the project before this weekend.我们有望在本周末前完成此项目。我们有望在本周末前完成此项目。start all over again 重新开始,从头再来重新开始,从头再来 If th
12、e worst comes to the worst,well start all over again.大不了再从头开始。大不了再从头开始。3.At present,our spacecraft are too slow to carry large numbers of passengers to Mars it would take months.目前,我们的宇宙飞船太慢了,无法运送大批目前,我们的宇宙飞船太慢了,无法运送大批 的乘客去火星的乘客去火星因为要花几个月的时间。因为要花几个月的时间。“too+形容词形容词/副词副词+to+动词原形动词原形”结结 构,意为构,意为“太太而不能而
13、不能”,该句型用,该句型用 于肯定句,但表示否定的意义。于肯定句,但表示否定的意义。He is too young to go to school.他太小了,不能去上学。他太小了,不能去上学。.too+adj.+to do=你太小了你太小了,不能去上学。不能去上学。You are too young to go to school.so.that.cant.=You are so young that you cant go to school.(not)adj.+enough to do.You are not old enough to go to school.tooto结构常与以下结构
14、相互转换结构常与以下结构相互转换:tooto前面有前面有never,not,only,but等词时,或出现等词时,或出现too not to do的的 双重否定时,双重否定时,否定词与不定式中的否否定词与不定式中的否定意义结合起来构成了肯定意义。定意义结合起来构成了肯定意义。Its never too old to learn.活到老,学到老。活到老,学到老。I shall be only too pleased to get home.我将极高兴地回家。我将极高兴地回家。(1)China has _ people.(2)_ population of China is 1.3 million
15、.a(large)number ofThe number of large numbers of/a large number of =many 大量许多(修饰可数名词复数)大量许多(修饰可数名词复数)Large numbers of/A large number of People go travelling during the National Day holiday.很多人在国庆假期去旅游。很多人在国庆假期去旅游。the number of表示表示“的数量的数量”后接复后接复 数名词,所构成的短语作主语时,数名词,所构成的短语作主语时,谓语谓语 动词常用单数形式动词常用单数形式4.Wi
16、th the development of technology,by the year 2100,the journey might only take about 20 minutes in spacecraft that travel at the speed of light!随着技术的发展,到随着技术的发展,到2100年,乘坐以光年,乘坐以光 速飞行的宇宙飞船,行程或许只要大约速飞行的宇宙飞船,行程或许只要大约 20分钟!分钟!take花费,占用花费,占用(时间时间)Since the roads are very bad,the journey took us a long tim
17、e.由于路况很糟糕,我们路上花了很长时间。由于路况很糟糕,我们路上花了很长时间。spend主语是人主语是人 sb.spend some time/money on sth.sb.spend some time/money(in)doing sth.“某人花费时间某人花费时间/金钱做某事金钱做某事”pay主语是人主语是人sb.pay some money for sth.“某人为某某人为某物花费多少钱物花费多少钱”cost主语是物主语是物sth.cost sb.some money“某物花费某人某物花费某人多少钱多少钱”take常用常用it作作形式主语形式主语It takes/took sb.s
18、ome time to do sth.“做做某事花费某人多长时间某事花费某人多长时间”(doing)sth.takes sb.some time“做某事做某事花了某人多少时间花了某人多少时间”I spent one hundred yuan on the present.=I spent one hundred yuan(in)buying the present.=I paid one hundred yuan for the present.=The present cost me one hundred yuan.这件礼物花了我一百元钱。这件礼物花了我一百元钱。It took me 30
19、 minutes to get to school.我用了半个小时的时间到达学校。我用了半个小时的时间到达学校。Repairing this car took him the whole afternoon.他花了一下午修车。他花了一下午修车。at a/the speed of 意思是意思是“以以的速度的速度”at high/full speed 高速地高速地/全速地全速地 The car is moving at a speed of 100 kilometres per hour.小汽车正以每小时小汽车正以每小时100公里的速度行驶。公里的速度行驶。The cars are driving
20、 at high/full speed.汽车正高速汽车正高速/全速行驶。全速行驶。5.Humans cannot survive without water,oxygen or food.没有水、氧气和食物,人们就不能生存。没有水、氧气和食物,人们就不能生存。no/notwithout表示表示“没有没有.就不就不.”。例如:例如:We cannot achieve anything without you.没有你我们将一事无成。没有你我们将一事无成。He is not leaving without you.没有你他不会离开(他对你不离不弃)。没有你他不会离开(他对你不离不弃)。6.Food
21、would most probably be in the form of pills and would not be so tasty.食物很大可能会以药片的形式存在,食物很大可能会以药片的形式存在,而且味道没那么可口。而且味道没那么可口。in the form of 意思是意思是“以以形式形式”Help in the form of money will be welcome.欢迎以钱的形式资助。欢迎以钱的形式资助。Water vapor is water in the form of gas.水蒸气是气态的水。水蒸气是气态的水。Helen as well as I is eager t
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