B1U5听说英语PPT课件

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1、Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案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.ObjectivesUnit 5 Our Ear

2、th实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Listening and SpeakingText AGrammar TipsText BComprehensive ExercisesPractical Reading and WritingWarm-upUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Earth DayDiscussionBackground InformationPlans for the first Earth Day were announced in San Francisco

3、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,

4、10,000 grammar and high schools and 1,000 communities took part in the first nationwide demonstrations on environmental problems in the USA,Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Background InformationDiscussionwhich marked the beginning of the worlds celebration of Earth Day.On the tw

5、entieth 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）

6、第第1 1册电子教案册电子教案Question 1:Can you name the earths seven continents and five oceans and point them out on a map?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

7、 Antarctic Ocean.Hints DiscussionBackground InformationUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Question 2:Can you name the nine planets in the solar system and position them?They are Mercury(水星),Venus(金星),Earth(地球),Mars(火星),Jupiter(木星),Saturn(土星),Uranus(天王星),Neptune(海王星),Pluto(冥王星)in th

8、e order of their closeness to the sun.Hints DiscussionBackground InformationUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案A.Choose the best response to each sentence you hear.1.SpeakingListeningI.ListeningA.Yes,all right.B.Class is over now.C.How time flies!D.Yes,lets hurry.Unit 5 Our Earth实用

9、综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案SpeakingListening2.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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案SpeakingListening4.A.Three years ago.C.Maybe in thre

10、e 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案 To pollute means to make things unfit or unclean for use.Man has been polluting the earth from the time he fir

11、st 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

12、 bySpeakingListeningground_B.Fill in the blanks of the following passage according to what you have just heard.plenty of _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案nature.But this is no longer(3).The growth of population and the development of industry have changed that.Nowadays,pollution

13、 is beginning to threaten our(4)and life.SpeakingListeninghealth_true_Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Discuss with your partner the following questions based on the information from the above passage you have just heard.II.SpeakingSpeakingListening1.What does pollution mean acco

14、rding 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案SpeakingListening2.Do you think

15、 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 monitoring3.Is there anything you think you can do to protect our environment?Hints Unit 5

16、 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案飞行员，领航员ComprehensionWords and ExpressionsVocabulary BuildingText Studysoil n.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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords

17、 and ExpressionsVocabulary BuildingText Study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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study表面，外表man

18、kind 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study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，

19、动作movement n.长度，时间的长短length n.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Studymotion 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 toimportance n.重要性保护protect vt.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子

20、教案册电子教案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 farml

21、and.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.The EarthComprehensionWords and ExpressionsVocabulary BuildingText Study Unit 5 Our Earth实用综合教程（第二版）实用综合教程

22、（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study2 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 plan

23、ts 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.Unit 5 Our Earth

24、实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study3 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册

25、电子教案ComprehensionWords and ExpressionsVocabulary BuildingText 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.

26、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 ot

27、her groups disappear into the day sky.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study5 To call peoples attention to the importance ofprotecting our mother earth,Earth Day was created in1970.Since then,on every April 22,people all o

28、ver theworld show their love for their common home theearth.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案A.Choose the best answer according to the text.ComprehensionVocabulary BuildingText StudyWords and Expressions1.To different people,the earth means _.A.rich soil B.mountains of hard rockC

29、.water as far as the eye can see D.different thingsUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressions2.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

30、them warmth and light D.all of the aboveUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressions3._ lies at the center of the earth.A.Metal B.Hard rockC.A ball of hard metal D.Hot liquid rockUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册

31、电子教案ComprehensionVocabulary BuildingText StudyWords and Expressions4.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 spi

32、n around once.D.It is impossible to measure the earths movement.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressions5.Earth Day is celebrated _.A.on the first day of summer B.only in the WestC.since 1968 D.since 1970Unit 5 Our Earth实用综合

33、教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and ExpressionsB.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 co

34、vered with .the earths round shape and the outline of land and oceans _water,rock and soil _round_Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressions3.Where do animals and plants live?They live .4.How long are a day and a year?One day

35、,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 _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary

36、BuildingText StudyWords and ExpressionsC.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 i

37、n 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and ExpressionsS:First,can you tell us who you ar

38、e?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 w

39、hen it was first named?And who proposed the idea?XXXXXX_Earth Day _April 22 _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and ExpressionsJ:Perhaps in?Im not sure.Ive read it somewhere.But I cant remember it clearly now.Sorry,I cant answer the o

40、ther 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 _

41、Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and ExpressionsJ: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 ea

42、rth?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 ju

43、st the right _The earth has plenty of water that covers most of its surface _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Active WordsComprehensionVocabulary BuildingText StudyWords and Expressionstellv.(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 tel

44、l the difference.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionstelltell 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二

45、版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionsmoven.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?Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingTe

46、xt StudyWords and Expressionsmovemove 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionsmovemove on 继续移动，朝前走；

47、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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionslien.谎言Why do you tell a lie?vi.(1)躺，平放He was lying in the shade

48、 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionslielie down 躺下Lets lie down for a rest.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版

49、）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and Expressionsusen.(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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords

50、 and Expressionsusemake 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.Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案1.The Jinggang Mountain on the border of Jiangxi and Hunan.2.Jerry is good at jokes.3.They have to another

51、 street.4.There is no (in)discussing the problem.5.Can you the twins apart?lies_ComprehensionVocabulary BuildingText StudyWords and ExpressionsFill in each blank with“tell”,“move”,“lie”or“use”in the words proper form.telling_moved_use_tell_Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案moved6.

52、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 had received.lying_ComprehensionVocabulary BuildingText StudyWords and Expressionsused_moved_Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1

53、册电子教案册电子教案mankind 轮廓，外形outline 包围，围绕living 巨大的，极大的sailor 海员，水手length活的，有生命的surround 人类soil 温暖warmth 土壤，土地pilot 长度，时间的长短huge飞行员，领航员ComprehensionVocabulary BuildingText StudyWords and ExpressionsA.Match each word with their proper Chinese meaning.ExercisesUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子

54、教案册电子教案form include at the center of call(ones)attention toprotect as far as surface measure1.Ill help you I can.2.He had a large number of funny stories in the speech.3.These greenbelts 500,000 acres of farmland against moving sands.ComprehensionVocabulary BuildingText StudyWords and ExpressionsB.F

55、ill in each blank with a given word or expression in their right form.as far as _included_protected/protect/have protected _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案4.The TV program is shown to water pollution in China.5.A soft wind caused ripples on the of the lake.6.The children a circ

56、le around her.7.My mother me for a new dress.8.The park lies the city.call peoples attention to _ComprehensionVocabulary BuildingText StudyWords and Expressionssurface_measured/has measured/is measuring _form include at the center of call(ones)attention toprotect as far as surface measureformed/have

57、 formed _at the center of _Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案English TermsChinese Terms空气/水/土壤/噪音污染air/water/soil/noise pollutioncontinentdust stormearthquakeendangered speciesfloodglobal warming尘暴大陆，陆地地震濒危物种洪水全球变暖ComprehensionVocabulary BuildingText StudyWords and ExpressionsWord

58、s about the Earth and EnvironmentUnit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionVocabulary BuildingText StudyWords and ExpressionsEnglish TermsChinese Termsgreenhouse effecthurricanerain forestnature reservewildlifewetland飓风温室效应热带雨林自然保护区野生动植物湿地greenbelt绿化带，绿色地带Unit 5 Our Earth实用综合

59、教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案 地球对于地球上的居民来说，意味着许多事物。对于农民来说，地球是肥沃的土壤；对于修路工人来说，地球是由坚硬石块构成的山峰；对于水手来说，地球是一望无际的水域；在飞行员眼中，地球可能会包括部分海洋、山峰和成片农田；在太空高速行进的宇航员看到的地球是圆形的球体，还有海洋和陆地的轮廓。他们关于地球的不同看法都有助于对地球进行描述，但都没有真正揭示地球究竟是什么。ComprehensionWords and ExpressionsVocabulary BuildingText Study地球地球Unit 5 Our Earth实用综合教

60、程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study 地球是一个被水、岩石和土壤所覆盖的、为大气所包围的巨大的球状物，是围绕太阳运行的九大行星之一。地球是人类和其他许多生物的家园。动物和植物生活在地球表面的几乎任何地方，它们能在地球上生存首先是因为地球与太阳之间距离适度。生物需要太阳的光和热来维持生命，也需要水，地球表面大部分都为水所覆盖。Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案Compreh

61、ensionWords and ExpressionsVocabulary BuildingText Study 地球的表面由薄薄的一层岩石构成，称为地壳。地壳下面是炽热的岩浆，而地球的中央是一团球状的坚硬金属。Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study 地球处于不断的运动中，它像个陀螺一样不停地旋转，同时也绕着太阳转动。一天和一年的长度就是通过这两种转动来衡量的。地球自转一周的时间是一天，而地球绕太阳公转

62、一周的时间就是一年。地球的自转让太阳呈现出东升西落的状态，制造了地球上的白天与黑夜；而地球围绕太阳的公转让夜空慢慢呈现出变化，有些星群会在夜晚的天空清晰可见，有些星群则消失在白天的天空。Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary BuildingText Study 为了让更多人关注保护我们的地球母亲的重要性，人们在1970年设立了地球日。从那时起，每年的4月22日，全世界人民都会表达他们对共同的家园地球的热爱。Unit 5 Our Earth

63、实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案soil n.土壤，土地We have the most fertile soil in Europe.我们有欧洲最肥沃的土地。ComprehensionWords and ExpressionsVocabulary BuildingText StudyIt is an area of sandy soil.这是沙质土区。Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary Bui

64、ldingText Studybuilder n.建造者，施工人员Note:“-er”is a suffix attached to a verb or a noun to refer to someone or something that performs certain acts.More examples:dance dancer,football footballerbuild vt.建造Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案ComprehensionWords and ExpressionsVocabulary B

65、uildingText Studysailor n.海员，水手We sailed down the Thames.我们乘船向泰晤士河下游驶去。sail v.航行，驾船She sailed the boat with difficulty in the storm.她在暴风雨中艰难地驾船航行。Note:“-or”is another suffix attached to a verb to referto someone or something that performs an act.More examples:act actor,invent inventorUnit 5 Our Eart

66、h实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案as far as 到为止，远到；尽可能地As far as I know,they have moved to another city.据我所知，他们搬去另外一个城市了。ComprehensionWords and ExpressionsVocabulary BuildingText StudyI will help you as far as I can.我会尽力地帮助你。Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案pilot n.飞行员，领航员She wants to be a pilot in the future.她将来想当一名飞行员。ComprehensionWords and ExpressionsVocabulary BuildingText StudyHe can pilot the plane.他会开飞机。v.驾驶，领航Unit 5 Our Earth实用综合教程（第二版）实用综合教程（第二版）第第1 1册电子教案册电子教案vi