新教材2020-2021学年高中英语外研版必修第三册课件：UNIT 2 MAKING A DIFFERENCE PERIOD 1 .ppt

1、Unit 2 Making a difference Period 1Starting out&Understanding ideas语篇研读课 自主素养储备.新词相知(一)连线相匹配的英语释义。contributionreliefshortageinternaleffectivefundrecycledonateinsightrealitya.things that actually happen or are true,not things that are imaginedor thought aboutb.a sudden clear understanding of somethin

2、g,especially somethingcomplicatedc.something that you give or do in order to help something besuccessfuld.to give something,especially money to a person or an organizationin order to help theme.the reduction of pain or unhappy feelingsf.a situation in which there is not enough of something that peop

3、leneedg.inside something rather than outsideh.producing the result that was wanted or intendedi.to provide money for an activity,organization,event etc.j.to treat used objects or materials through a special process so thatthey can be used again答案:arealitybinsightccontributionddonateerelieffshortageg

4、internalheffectiveifundjrecycle(二)结合语境,从上面的方框中选择恰当的单词填空。1.I try to convince him of the _ of the danger.2.His work offers an _ into an alien culture.3.We are happy to _ money to real charitable causes.4.Plastic bags dont _ cost-effectively.5.He plans to change the insurance _.realityinsightdonaterecy

5、clefund6.We must take _ measures to protect our clean rivers.7.I am afraid this results in _ bleeding.8.But a _ of these essential health care workers could pose challenges in countries dealing with a growing number of COVID-19 cases.9.At that time Roberta sighed in _.10.Alan has made an important _

6、 to the sport.effectiveinternalshortagereliefcontribution.短语熟记选择恰当的短语补全下列语境。break into a smile,in relief,have trouble finding,supply.with,at first,give up,benefit from,be grateful to,turn out,set up1.A fund will be _for the poor childrens families.2.When the boy saw the funny actor,he _.3.Itll _to b

7、e a wet day,Im afraid.4.Behind me I could hear the other girls sigh _.set upbroke into a smileturn outin relief5.The old man _the hospital where he wanted to go and a girl helped him.6.I shall _you for helping me all my life.7.We are sure to _the new timetable.8.I have _expecting him to change.9.The

8、 centre _ us _ all the equipment.10.She didnt recognise me _in the supermarket.had trouble findingbe grateful tobenefit fromgiven upsuppliedwithat first.课文浅触1.阅读课文The Well that Changed the World,回答下列问题。In order to solve the shortage fresh water in Uganda,what did Ryan do at that time?_ He tried his

9、best to raise money to build wells in Uganda.2.你能想出其他解决水资源缺乏的方法吗?_(Answers may vary.)Collect and purify rainwater by building water pools for storage of water.Fund water projects by collecting money from persons or organizations.Recycle waste water.Set up facilities to purify water if fund is enough

10、.Step 1Pre-reading Look at the following pictures and answer the following questions.探究素养提能1.What situations do they show us?Picture A:_Picture B:_Picture C:_(Answers may vary.)2.Why do these situations happen?_.The shortage of water.The drought because of water shortage.Only a seedling is standing

11、there.Because there are not enough water resourcesStep 2While-reading.Skim the passage and answer the following questions.1.Q:How many parts does the passage contain?A:.2.Q:What does the passage mainly talk about?A:It mainly talks about _in Uganda.答案:1.Three parts.Part 1:Paragraph 1;Part 2:Paragraph

12、s 25;Part 3:Paragraph 6 2.how a Canadian boy solved the shortage of fresh water.Scan the text and finish off the form below.CharacterRyanThe 1._Why do some African children have to walk ten kilometres to get water every day?His 2._To raise much money to build some wells for themThe 3._Today over 800

13、,000 people in 16 countries across Africa have benefited from the life-changing gift of clean,safe waterproblemsolutionresult.Answer the following questions.1.What problem did Ryan meet when he was six years old?_2.What did he plan to do at first?_3.Why did Ryan change his first idea?_答案:1.Many peop

14、le in developing African countries couldnt get enough clean water.2.He planned to earn money to build a single well somewhere in Africa.3.Because he understood a hand pump wouldnt help the children.What they needed was a well dug near their homes.Sentence explanationStep 3Post-reading.Read the passa

15、ge carefully and fill in the blanks below.Ryan,a Canadian boy,could get clean 1._ water within ten steps,but some 2._children had to walk ten kilometres to get water every day.So Ryan decided to help them.drinkingAfrican Ryan cleaned windows and did gardening and reached his first 3._ of$70.But he w

16、as told it cost$2,000 to build a well.So he persuaded his classmates and neighbours 4._money.After several months,Ryan had 5._ enough money and a well was built in Uganda.Ryan visited Uganda and saw the finished well 6._ his own eyes and also saw hundreds of delighted students who had turned out to

17、welcome him.Later,Ryans experience led him to 7._a 8._ to encourage more people to help.Today,the life-changing gift of 9._,safe water has 10._ 800,000 people in 16 countries across Africa.targetto donateraisedwithset upfoundationcleanbenefited.Continuation exercise.Do you want to be a person like R

18、yan?Why?_Yes,I do.Because what he did has benefited 800,000 people in 16 countriesacross Africa and they dont need to worry about their clean water again.Ryan is a kind and great man.As long as everyone does a little,it will make adifference to our world.(Answers may vary.)【主题情境思考】1.As a senior high

19、 school student,what can we do to help persons in need?_2.Who do you admire now?Why?_答案:1.In our school we can help our classmates with their studies.We can comfort others when they fail the exam.If someone is ill,we can take care of them.2.Bai Fangli,Lin Qiaozhi,Qian Xuesen and so on.Because they a

20、ll made great contributions to others,society and our country.(Answers may vary.)The need to feed a growing population is putting much pressure on the worlds supply of water.With 97%of the worlds water too salty to be drunk or used in agriculture,the worldwide supply of water needs careful managemen

21、t,especially in agriculture.Although the idea of a water shortage(短缺)seems strange to someone fortunate enough to live in a high rainfall country,many of the worlds agricultural industries experience constant water shortages.课时素养达标Although dams can be built to store water for agricultural use in dry

22、 areas and dry seasons,the costs of water redistribution(重新分配)are very high.Not only is there the cost of the engineering itself,but there is also an environmental cost to be considered.Where valleys(山谷)are flooded to create dams,houses are lost and wildlife homes destroyed.Besides,water may flow ea

23、sily through pipes to fields,but it cannot be transported from one side of the world to the other.Each country must therefore rely on the management of its own water to supply its farming requirements.This is particularly troubling for countries with agricultural industries in areas dependent on irr

24、igation(灌溉).In Texas,farmers overuse of irrigation water has resulted in a 25%reduction of the water stores.In the Central Valley area of south-western USA,a huge water engineering project provided water for farming in dry valleys,but much of the water use has been poorly managed.Saudi Arabias attem

25、pts to grow wheat in desert areas have seen the pumping of huge quantities of irrigation water from underground reserves.Because there is no rainfall in these areas,such reserves can only decrease,and it is believed that fifty years of pumping will see them run dry.【语篇概述】随着世界人口的增加,人类对水资源的需求不断增加,由于世界

26、上97%的水太咸不能饮用和灌溉,再加上存在对水资源的不合理开采和利用,很多国家和地区出现不同程度的缺水问题,对农业造成了极大的影响,合理地开采利用水资源是当务之急。.Read the passage and skim the main idea of the text.It mainly tells us _.Choose the best answers according to the passage.1.From the first two paragraphs we learnt that _.A.much of the worlds water is available for us

27、eB.people in high rainfall countries feel luckyC.the costs of water redistribution should be consideredD.water can be easily carried through pipes across the worldwater use management and agriculture【解析】选C。细节理解题。根据第二段的“.the costs of water redistribution are very high.Not only is there the cost of th

28、e engineering itself,but there is also an environmental cost to be considered.”可知需要考虑重新分配水资源所付出的代价。2.Which of the following is true?A.The water in Texas has been reduced by 75%.B.Most industries in the world suffer from water shortages.C.The underground water in Saudi Arabia might run out in 50 year

29、s.D.Good management of water use resulted from the project in the Central Valley area.【解析】选C。细节理解题。根据最后一段的“Because there is no rainfall in these areas,such reserves can only decrease,and it is believed that fifty years of pumping will see them run dry.”可知这些地区的地下水开采只能维持50年,即50年后,地下水可能会用完。3.What is mo

30、st likely to be discussed in the paragraph that follows?A.Steps to improving water use management.B.Ways to reduce the costs of building dams.C.Measures to deal with worldwide water shortages.D.Approaches to handling the pressure on water supply.【解析】选A。推理判断题。文章最后两段讲的是人们在开发利用水资源时,由于管理不善,进一步加剧了水资源的短缺,所以下一段肯定要讲如何提高水资源的开发管理。本课结束