2022年人教版必修四Unit2《WorkingthelandPeriod5SpeakingandWriting》word教案 .pdf

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1、名师精编优秀教案英语：Unit 2 Working the land Period 5 Speaking and Writing 优秀教案（新人教版必修4）The General Idea of This Period This period aims at encouraging the students to learn how to describe the advantages of the organic food and the disadvantages of the food with chemical fertilizer,and how to write a poster

2、about it.Teaching Important PointsGet the students to learn to write a poster.Enable the students to grasp the usage of the words,expressions and the drills they learnt in this unit.Teaching Difficult PointsHow to write a poster in a correct way.Teaching MethodsCreate some situations for the Ss to t

3、alk actively in public.Practice to improve the students writing ability.Teaching AidsA multimedia computerThree Dimensional Teaching Aims Knowledge and SkillsGet the students to learn how to write a poster.Help the students consolidate the words,expressions and drills learnt in this unit.Process and

4、 StrategiesEncourage the students to describe the advantages and disadvantages by offering examples.Feelings and ValueAs people are more and more concerned about the quality of the food they eat,this topic is more and more meaningful.Through the study of this part not only will they know more about

5、the quality of food,but also they will learn about how to persuade others to buy the food you have proposed.Teaching Procedures 名师精编优秀教案Step 1 Revision1.Greetings.2.Ask the students to tell the words,expressions and drills that can be used to describe organic farming.Step 2 ReadingThis is the first

6、step of Reading,Speaking and Writing.In the three steps,the teacher should remind the students that they should get the key words of the passage when they do some reading,in order to get a good understanding and make a good base for the writing;for speaking,they should attend to what they will do.Be

7、 careful not to be off the point;for writing,the most important thing is to practise writing useful words,phrases,instead of the whole sentences.After the students get known about the rules,ask them to read the short passage in Ex.1 Page 15,and ask the students to find out the key points of the pass

8、age.The suggested answer:Advantage Disadvantage 1.Healthy and safe 1.People don t know about the food and how good it is.2.Free of chemical fertilizers 2.More expensive than other food which is not so safe.3.Grown away from industrial areas 4.Away from dirty water supplies T:Now let s learn how to u

9、se these words to persuade people to buy your food!Let s come to next part.Step 3 SpeakingTask 1:The students try to find reasons to persuade people to buy their food.Use the above words about the content of the short passage and the following expressions:I would rather.I don t like because.I d pref

10、er.because.It s a great pity that.文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2

11、A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:C

12、O3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2

13、A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:C

14、O3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2

15、A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:C

16、O3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2名师精编优秀教案Should I/we.?It s better to.This is good value because.If I have a choice I d choose.because.What is the advantage of?You need to.After th

17、ree minutes,the teacher asks some students to act out their dialogue.(In pairs,one is the farmer,the other one is a customer.)Step 4 Writing Pre-writingThis exercise lets students collect and list information,then select what they think is most important and organize it for presentation.Task 1:The s

18、tudents gather information that they need and plan what they want to write.While-writingTask 2:The students write a poster to encourage more people to buy their green food.1.The students select and organize what they want to write and write a poster.2.The students check their mistakes in their poste

19、r.3.The students rewrite their poster.An example of how to present a posterBuy the best fruits here.We only sell green food in this shop!Best choice at best price!Safe,healthy,clean,fresh.Far away from any pollution.No chemical fertilizer,all organic fertilizersClean air,clean waterNo poison,no pest

20、icidesHome in heavenHealthy food means healthy life.Far away from diseases,without worries,full of happiness.(one reason)文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV

21、6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U

22、2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV

23、6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U

24、2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV

25、6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U

26、2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2名师精编优秀教案After-writingThe students show their poster in clas

27、s.Writing tipsIn writing a poster,make sure it has:An attractive title;Explain the reasons that you sell green food;Explain why your green food is of good value;Try to write correct and clear sentences.Step 4 Homework1.Compare the poster with the suggested answers,and remember the useful expressions

28、.2.Prepare for the next class.The Design of the Writing on the Blackboard Unit 2Working the land Period 5Speaking and writing In writing a poster,make sure it has:An attractive title;Explain the reasons that you sell green food;Explain why your green food is of good value;Try to write correct and cl

29、ear sentences.Record after Teaching Activities and Research To make preparations for this period,you may ask the students to find some related information on the Internet.A discussion is suggested to get enough information they need.Reference for Teaching Learning Tips文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC

30、1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z

31、1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC

32、1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z

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34、1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z

35、1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC

36、1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2名师精编优秀教案写作中的常用句型以下是写作中使用率最高、覆盖面最广的基本句式,每组句式的功能相同或相似,考生可根据自己的情况选择其中的12 个,作到能够熟练正确地仿写或套用。1.表示原因1）There are three reasons for this.2）The reasons for this are as follows.3）The reason for this is obvious.4）The reason

37、 for this is not far to seek.5）The reason for this is that.6）We have good reason to believe that.例如:There are three reasons for the changes that have taken place in our life.Firstly,people s living standard has been greatly improved.Secondly,most people are well paid,and they can afford what they ne

38、ed or like.Last but not least,more and more people prefer to enjoy modern life.注:如考生写第一个句子没有把握,可将其改写成两个句子。例如:Great changes have taken place in our life.There are three reasons for this.这样写可以避免套用中的表达失误。2.表示好处1）It has the following advantages.2）It does us a lot of good.3）It benefits us quite a lot.4）I

39、t is beneficial to us.5）It is of great benefit to us.例如:Books are like friends.They can help us know the world better,and they can open our minds and widen our horizons.Therefore,reading extensively is of great benefit to us.3.表示坏处1）It has more disadvantages than advantages.2）It does us much harm.3）

40、It is harmful to us.例如:文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S

41、3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8

42、HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S

43、3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8

44、HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S

45、3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8

46、HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2文档编码:CO3G3Z1O1V8 HV6C6L7T2A9 ZC1I4V7S3U2名师精编优秀教案However,everything divides into two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watc

47、hing television.4.表示重要、必要、困难、方便、可能1）It is important（necessary,difficult,convenient,possible）for sb.to do sth.2）We think it necessary to do sth.3）It plays an important role in our life.例如:Computers are now being used everywhere,whether in the government,in schools or in business.Soon,computers will b

48、e found in every home,too.We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age.5.表示措施1）We should take some effective measures.2）We should try our best to overcome（conquer）the difficulties.3）We should do our utmost

49、in doing sth.4）We should solve the problems that we are confronted（faced）with.例如:The housing problem that we are confronted with is becoming more and more serious.Therefore,we must take some effective measures to solve it.6.表示变化1）Some changes have taken place in the past five years.2）A great change

50、will certainly be produced in the world s communications.3）The computer has brought about many changes in education.例如:Some changes have taken place in people s diet in the past five years.The major reasons for these changes are not far to seek.Nowadays,more and more people are switching from grain