外教社大学英语B1U5.ppt

home,Video,Warm-up-Discussion,Look at the video.,Q:Can you get the topic of this video?,Objectives,In this unit,you will,learn some basic facts about our earth;enlarge your vocabulary for describing the earth and the environment;know something about Earth Day;study a list of different prepositions;read and write slogans.,Objectives,main,Listening and Speaking,Text A,Grammar Tips,Text B,Comprehensive Exercises,Practical Reading and Writing,Warm-up,Earth Day,Warm-up-Background Information,Discussion,Background Information,Warm-up,Plans for the first Earth Day were announced in San Francisco at the UNESCO Conference on the Environment held in November 1969.Former US Senator Gaylord Nelson suggested that March 21,the first day of spring,be established as Earth Day for a nationwide teach-in on the environment.On April 22,1970,an estimated 20 million people,2,000 colleges and universities,10,000 grammar and high schools and 1,000 communities took part in the first nationwide demonstrations on environmental problems in the USA,Warm-up-Background Information,Background Information,Discussion,Warm-up,which marked the beginning of the worlds celebration of Earth Day.On the twentieth anniversary of that event,April 22,1990,more than 200 million people in 141 countries participated in Earth Day celebrations.The activities were approved by the United Nations and since then April 22 of each year is celebrated as International Earth Day.,Question 1:Can you name the earths seven continents and five oceans?,The seven continents are Asia,Africa,Europe,South America,North America,Antarctica,Oceania.The five oceans are the Pacific Ocean,the Atlantic Ocean,the Indian Ocean,the Arctic Ocean,and the Antarctic Ocean.,Hints,Warm-up-Discussion,Discussion,Background Information,Warm-up,Now,please point them out on a map!,Warm-up-Discussion,Discussion,Background Information,Warm-up,1,3,4,5,3,2,2,1,5,7,1,4,6,This is the answer.,Warm-up-Discussion,Discussion,Background Information,Warm-up,NorthAmerica,Europe,Asia,Africa,Arctic Ocean,South America,Atlantic Ocean,Pacific Ocean,Antarctic Ocean,Antarctica,Pacific Ocean,Indian Ocean,Oceania,Warm-up-Discussion,Discussion,Background Information,Warm-up,MercuryVenusEarthMarsJupiterSaturnUranusNeptunePlutoComet,Nine Planets,A.Choose the best response to each sentence you hear.,1.,Listening,Listening and Speaking,Speaking,Listening,I.Listening,A.Yes,all right.B.Class is over now.C.How time flies!,D.Yes,lets hurry.,Listening,Listening and Speaking,Speaking,Listening,2.,A.What a pleasure.B.Im very pleased.C.Its my pleasure.,D.Pleased to meet you.,3.,A.Yes,you may.B.No,please dont.D.Youd better not.,C.Peter Jones.,Listening,Listening and Speaking,Speaking,Listening,4.,A.Three years ago.C.Maybe in three years.D.No,only three years.,B.For three years.,5.,A.Ive got no idea.B.Ive been there.C.Its very far from here.,D.Its very small,but nice.,To pollute means to make things unfit or unclean for use.Man has been polluting the earth from the time he first made fire,washed his clothes in the river and threw his waste on the(1).When land was used up or water became dirty,men moved on to another place.At first the problem was not so serious because there was(2)clean air,land and water,and there were fewer people.All the dirty things could be absorbed by,Listening,Listening and Speaking,Speaking,Listening,ground,_,B.Fill in the blanks of the following passage according to what you have just heard.,plenty of,_,nature.But this is no longer(3).The growth of population and the development of industry have changed that.Nowadays,pollution is beginning to threaten our(4)and life.,Listening,Listening and Speaking,Speaking,Listening,health,_,true,_,Discuss with your partner the following questions based on the information from the above passage you have just heard.,Speaking,Listening and Speaking,II.Speaking,Speaking,Listening,1.What does pollution mean according to the passage?Why has it become serious today?,Hints,Pollution means to make things unfit or unclean for use.It usually includes water pollution,air pollution,soil pollution,sound pollution,light pollution,etc.,Speaking,Listening and Speaking,Speaking,Listening,2.Do you think Chinas environment has become better or worse?Give examples to support your view.,Things to do to prevent pollution:(1)garbage recycling(2)waste water treatment(3)soil conservation(4)driving less(5)atmospheric monitoring,3.Is there anything you think you can do to protect our environment?,Hints,飞行员，领航员,Comprehension,Words and Expressions,Vocabulary Building,Text A Words and Expressions,Text Study,soil n.,Text A,土壤，土地,海员，水手,建造者，施工人员,builder n.,sailor n.,pilot n.,as far as,到为止，远到；尽可能地,视野；观点,view n.,包括，包含,include vt.,小块，片,patch n.,Comprehension,Words and Expressions,Vocabulary Building,Text A Words and Expressions,Text Study,Text A,轮廓，外形,farmland n.,农田,迅速前进速度,宇航员,astronaut n.,speed vi.n.,outline n.,形容，描述,describe vt.,巨大的，极大的,huge adj.,表面被覆盖着,be covered with,包围，围绕,surround vt.,Comprehension,Words and Expressions,Vocabulary Building,Text A Words and Expressions,Text Study,Text A,表面，外表,mankind n.,人类,首先，第一,活的，有生命的,living adj.,firstly adv.,surface n.,warmth n.,温暖,层,layer n.,地壳；外壳,crust n.,形成，构成形状，形态；表格,form v.n.,Comprehension,Words and Expressions,Vocabulary Building,Text A Words and Expressions,Text Study,Text A,旋转；吐丝,liquid adj.n.,液体的液体,金属,metal n.,spin v.,at the center of,在的中央或中心,陀螺,top n.,运动，动作,movement n.,长度，时间的长短,length n.,Comprehension,Words and Expressions,Vocabulary Building,Text A Words and Expressions,Text Study,Text A,motion n.,运动，动作,看得见的，显著的,visible adj.,disappear vi.,消失,唤起某人对的关注,call ones attention to,importance n.,重要性,保护,protect vt.,1 The earth means many things to the people wholive on it.To a farmer,the earth is rich soil.To a roadbuilder,the earth means mountains of hard rock.Fora sailor,the earth is water as far as the eye can see.A pilots view of the earth may include part of an ocean,a mountain,and patches of farmland.An astronautspeeding through space sees the earths round shapeand the outline of land and oceans.Each of thesedifferent views helps describe the earth but none reallytells what the earth is.,Text A-1,The Earth,Comprehension,Words and Expressions,Vocabulary Building,Text Study,Text A,Text A-2,Text A,Comprehension,Words and Expressions,Vocabulary Building,Text Study,2 The earth is a huge ball covered with water,rock and soil,and surrounded by air.It is one of the nine planets that travel around the sun.The earth is the home of mankind and many other living things.Animals and plants live almost everywhere on the earths surface.They can live on the earth firstly because it is just the right distance from the sun.Living things need the suns warmth and light for life.They also must have water to live.The earth has plenty of water that covers most of its surface.,Text A-3,Text A,Comprehension,Words and Expressions,Vocabulary Building,Text Study,3 A thin layer of rock called the crust forms theearths surface.Under the crust is hot liquid rock.Aball of hard metal lies at the center of the earth.,Text A-4,Text A,Comprehension,Words and Expressions,Vocabulary Building,Text Study,4 The earth is always moving.It spins like a top and travels around the sun at the same time.We use thesetwo movements of the earth to measure the lengthsof a day and a year.One day is the time it takes theearth to spin around once.One year is the time it takesthe earth to travel once around the sun.The earthsspinning motion makes the sun appear to move fromeast to west,and causes days and nights on the earth.As the earth moves around the sun,the night sky changes slowly.Some groups of stars are visible in the night sky,and other groups disappear into the day sky.,Text A-5,Text A,Comprehension,Words and Expressions,Vocabulary Building,Text Study,5 To call peoples attention to the importance ofprotecting our mother earth,Earth Day was created in1970.Since then,on every April 22,people all over theworld show their love for their common home theearth.,Text A-Comprehension1,A.Choose the best answer according to the text.,Comprehension,Vocabulary Building,Text Study,Text A,Words and Expressions,1.To different people,the earth means _.A.rich soil B.mountains of hard rockC.water as far as the eye can see D.different things,Text A-Comprehension2,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,2.Animals and plants can live on the earth because _.A.it is the right distance from the sun B.it has plenty of waterC.the sun gives them warmth and light D.all of the above,Text A-Comprehension2,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,3._ lies at the center of the earth.A.Metal B.Hard rockC.A ball of hard metal D.Hot liquid rock,Text A-Comprehension2,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,4.Which statement is true about the earths movement?A.The earth spins and travels around the sun at the same time.B.One day is the time it takes the earth to travel around the sun once.C.One year is the time it takes the earth to spin around once.D.It is impossible to measure the earths movement.,Text A-Comprehension2,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,5.Earth Day is celebrated _.A.on the first day of summer B.only in the WestC.since 1968 D.since 1970,Text A-Comprehension3,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,B.Complete the following sentences orally with your partner.,1.How does a spaceman see the earth?He sees.2.What is the shape of the earth and what is it covered with?The shape of the earth is and it is covered with.,the earths round shape and the outline of,land and oceans,water,rock and soil,_,round,_,Text A-Comprehension3,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,3.Where do animals and plants live?They live.4.How long are a day and a year?One day,and one year is.5.When was Earth Day named?It was named in.,almost everywhere on the surface of the,is the time it takes the earth to spin around,1970,_,earth,once,the time it takes the earth to,travel once around the sun,Text A-Comprehension4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,C.Make a dialogue with your partner according to the situation described below.,S:Hi,everybody.Im Susan Young.Tomorrow is Earth Day.We wonder how many people know about the day and how much they know about the planet we live on.Now I will interview some people in the street.(to Jerry)Hi,there.Im Susan Young from Man and Nature.Can you give me a moment?J:All right.S:I have some questions to ask you.J:Go ahead.,Text A-Comprehension4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,S:First,can you tell us who you are?J:I am a student from.S:Good.Have you ever heard of?J:Yes,of course.S:Then do you know when the day is celebrated every year?J:Oh,on the day spring begins.Am I correct?S:Quite right.It is on.So tomorrow is Earth Day.J:Oh,I almost forgot!S:The next question may be a little difficult.Do you know when it was first named?And who proposed the idea?,XXXXXX,_,Earth Day,_,April 22,_,Text A-Comprehension4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,J:Perhaps in?Im not sure.Ive read it somewhere.But I cant remember it clearly now.Sorry,I cant answer the other question.S:You are right about the year when it was named.As for the other question,OK,let me tell you:Gaylord Nelson,an American,proposed the naming of such a day and his suggestion was later accepted by the United Nations.My next question is:why can animals and plants live on the earth?,1970,_,Text A-Comprehension4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,J:They can live on it first because.Living things need the suns warmth and light for life.They also must have enoughwater to live.S:The last question:what lies at the center of the earth?J:.S:Very good.I think you know a lot about our mother earth.Thank you for your time.J:You are welcome.Im glad to have taken part in your program.S:Thank you again!Goodbye!J:Bye!,A ball of hard metal lies at the center of the earth,_,And I like your program very much,_,distance from the sun,it is just the right,The earth has plenty of water that,covers most of its surface,Text A-Vocabulary BuildingA1,Active Words,Comprehension,Vocabulary Building,Text Study,Text A,Words and Expressions,tell,v.(1)告诉，讲述 I told him my name.(2)吩咐，命令You must do what youre told.(3)辨别，认出I really cant tell the difference.,Text A-Vocabulary BuildingA1,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,tell,tell from 辨别，分辨How can we tell the good from the bad?to tell the truth 说实话To tell the truth,Im not very interested in the show.,Text A-Vocabulary BuildingA2,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,move,n.动，动作，移动She held the gun to his head and said,“One move and youre dead!”,v.(1)动，走动，移动Dont move,or Ill shoot.Who has moved my bed?,Text A-Vocabulary BuildingA1,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,move,move away 离开Fight when we can win;move away when we cant.,(2)搬家，迁移Were going to move next week.(3)使(人)感动The film moved me to tears.,Text A-Vocabulary BuildingA1,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,move,move on 继续移动，朝前走；开始新的变动I think weve talked enough about that;lets move on.Id done the same job for years and felt it was time to move on.,Text A-Vocabulary BuildingA3,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,lie,n.谎言Why do you tell a lie?,vi.(1)躺，平放He was lying in the shade of the tree.(2)位于The factory lies to the west of the town.(3)说谎 Im sorry I had to lie to you at the moment.,Text A-Vocabulary BuildingA4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,lie,lie down 躺下Lets lie down for a rest.,Text A-Vocabulary BuildingA3,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,use,n.(1)用处，用途What use does this tool have?,vt.(1)用，使用，应用How do you use a cellphone?(2)耗费，消费All the paper has been used up.,Text A-Vocabulary BuildingA4,Text A,Comprehension,Vocabulary Building,Text Study,Words and Expressions,use,make use of 使用，利用He made good use of his spare time to learn English.use up 用完By that time he had used up all his savings.,Text A-Vocabulary BuildingC1,Text A,1.The Jinggang Mountain on the border of Jiangxi and Hunan.2.Jerry is good at jokes.3.They have to another street.4.There is no(in)discussing the problem.5.Can you the twins apart?,lies,_,Comprehension,Vocabulary Building,Text Study,Words and Expressions,Fill in each blank with“tell”,“move”,“lie”or“use”in the words proper form.,telling,_,moved,_,use,_,tell,_,moved,Text A-Vocabulary BuildingC1,Text A,6.When I entered,he was on the bed with all his clothes on.7.The word Mr.is before the names of men.8.She said that she was deeply by all the letters of sympathy she ha