外研版 (2019)必修 第三册Unit 2 Making a difference课文ppt课件

这是一份外研版 (2019)必修 第三册Unit 2 Making a difference课文ppt课件，共36页。PPT课件主要包含了自主素养储备，reality，insight，donate，recycle，fund，effective，internal，shortage，relief等内容，欢迎下载使用。

Ⅰ. 新词相知(一)连线相匹配的英语释义。
答案: a—reality　b—insight　c—cntributin　d—dnate　e—relief　f—shrtage　g—internal　h—effective　i—fund　j—recycle
(二)结合语境, 从上面的方框中选择恰当的单词填空。1. I try t cnvince him f the ______ f the danger. 2. His wrk ffers an ______ int an alien culture. 3. We are happy t ______ mney t real charitable causes. 4. Plastic bags dn’t ______ cst-effectively. 5. He plans t change the insurance _____.
6. We must take ________ measures t prtect ur clean rivers. 7. I am afraid this results in _______ bleeding. 8. But a ________ f these essential health care wrkers culd pse challenges in cuntries dealing with a grwing number f COVID -19 cases. 9. At that time Rberta sighed in _____. 10. Alan has made an imprtant ___________ t the sprt.
Ⅱ. 短语熟记选择恰当的短语补全下列语境。break int a smile, in relief, have truble finding, supply. . . with, at first, give up, benefit frm, be grateful t, turn ut, set up1. A fund will be ______fr the pr children’s families.  2. When the by saw the funny actr, he ________________.  3. It’ll ________t be a wet day, I’m afraid.  4. Behind me I culd hear the ther girls sigh _______.  
brke int a smile
5. The ld man _________________the hspital where he wanted t g and a girl helped him.  6. I shall ____________yu fr helping me all my life.  7. We are sure t ___________the new timetable.  8. I have ________expecting him t change.  9. The centre ________ us ____ all the equipment. 10. She didn’t recgnise me ______in the supermarket.  
had truble finding
be grateful t
benefit frm
Ⅲ. 课文浅触1. 阅读课文The Well that Changed the Wrld, 回答下列问题。In rder t slve the shrtage fresh water in Uganda, what did Ryan d at that time? _________________________________________________ 
He tried his best t raise mney t build wells in Uganda.
2. 你能想出其他解决水资源缺乏的方法吗? ①_______________________________________________________________ ②_______________________________________________________________③__________________ ④__________________________________________ (Answers may vary. )
Cllect and purify rainwater by building water pls fr strage f water.
Fund water prjects by cllecting mney frm persns r rganizatins.  
Recycle waste water.
Set up facilities t purify water if fund is enugh.
Step 1　Pre-reading Lk at the fllwing pictures and answer the fllwing questins.
1. What situatins d they shw us? Picture A: ____________________ Picture B: __________________________________ Picture C: ______________________________(Answers may vary. )2. Why d these situatins happen? ________________________________________.  
The shrtage f water.
The drught because f water shrtage.
Only a seedling is standing there.  
Because there are nt enugh water resurces
Step 2　While-readingⅠ. Skim the passage and answer the fllwing questins. 1. Q: Hw many parts des the passage cntain? A: 　.  2. Q: What des the passage mainly talk abut? A: It mainly talks abut __________in Uganda.  
答案: 1. Three parts. Part 1: Paragraph 1; Part 2: Paragraphs 2～5; Part 3: Paragraph 6 2. hw a Canadian by slved the shrtage f fresh water
Ⅱ. Scan the text and finish ff the frm belw.
Ⅲ. Answer the fllwing questins. 1. What prblem did Ryan meet when he was six years ld? ____________________________________________________________2. What did he plan t d at first? ____________________________________________________________3. Why did Ryan change his first idea? ____________________________________________________________
答案: 1. Many peple in develping African cuntries culdn’t get enugh clean water. 2. He planned t earn mney t build a single well smewhere in Africa. 3. Because he understd a hand pump wuldn’t help the children. What they needed was a well dug near their hmes.
Ⅳ. Sentence explanatin
Step 3　Pst-readingⅠ. Read the passage carefully and fill in the blanks belw. Ryan, a Canadian by, culd get clean 1. ________ water within ten steps, but sme 2.________children had t walk ten kilmetres t get water every day. S Ryan decided t help them.
Ryan cleaned windws and did gardening and reached his first 3. ______ f $ 70.But he was tld it cst $ 2, 000 t build a well. S he persuaded his classmates and neighburs 4. ________mney. After several mnths, Ryan had 5. ______ enugh mney and a well was built in Uganda.   Ryan visited Uganda and saw the finished well 6. ____ his wn eyes and als saw hundreds f delighted students wh had turned ut t welcme him. Later, Ryan’s experience led him t 7. ______a 8. __________ t encurage mre peple t help.   Tday, the life-changing gift f 9. _____, safe water has 10. ________ 800, 000 peple in 16 cuntries acrss Africa.
Ⅱ. Cntinuatin exercise. D yu want t be a persn like Ryan? Why? __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yes, I d. Because what he did has benefited 800, 000 peple in 16 cuntries
acrss Africa and they dn’t need t wrry abut their clean water again.
Ryan is a kind and great man. As lng as everyne des a little, it will make a
difference t ur wrld. (Answers may vary. ) 
【主题情境思考】1. As a senir high schl student, what can we d t help persns in need? _______________________________________________________________2. Wh d yu admire nw? Why? _______________________________________________________________
答案: 1. ①In ur schl we can help ur classmates with their studies.  ②We can cmfrt thers when they fail the exam.  ③If smene is ill, we can take care f them.  2. Bai Fangli, Lin Qiazhi, Qian Xuesen and s n. Because they all made great cntributins t thers, sciety and ur cuntry. (Answers may vary. ) 
　　The need t feed a grwing ppulatin is putting much pressure n the wrld’s supply f water. With 97% f the wrld’s water t salty t be drunk r used in agriculture, the wrldwide supply f water needs careful management, especially in agriculture. Althugh the idea f a water shrtage(短缺)seems strange t smene frtunate enugh t live in a high rainfall cuntry, many f the wrld’s agricultural industries experience cnstant water shrtages.
Althugh dams can be built t stre water fr agricultural use in dry areas and dry seasns, the csts f water redistributin(重新分配)are very high. Nt nly is there the cst f the engineering itself, but there is als an envirnmental cst t be cnsidered. Where valleys(山谷)are flded t create dams, huses are lst and wildlife hmes destryed. Besides, water may flw easily thrugh pipes t fields, but it cannt be transprted frm ne side f the wrld t the ther. Each cuntry must therefre rely n the management f its wn water t supply its farming requirements.
This is particularly trubling fr cuntries with agricultural industries in areas dependent n irrigatin(灌溉). In Texas, farmers’ veruse f irrigatin water has resulted in a 25% reductin f the water stres. In the Central Valley area f suth-western USA, a huge water engineering prject prvided water fr farming in dry valleys, but much f the water use has been prly managed.
Saudi Arabia’s attempts t grw wheat in desert areas have seen the pumping f huge quantities f irrigatin water frm undergrund reserves. Because there is n rainfall in these areas, such reserves can nly decrease, and it is believed that fifty years f 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。
Ⅰ. Read the passage and skim the main idea f the text. It mainly tells us __________________________________.  Ⅱ. Chse the best answers accrding t the passage. 1. Frm the first tw paragraphs we learnt that ______.  A. much f the wrld’s water is available fr useB. peple in high rainfall cuntries feel luckyC. the csts f water redistributin shuld be cnsideredD. water can be easily carried thrugh pipes acrss the wrld
water use management and agriculture
【解析】选C。细节理解题。根据第二段的“. . . the csts f water redistributin are very high. Nt nly is there the cst f the engineering itself, but there is als an envirnmental cst t be cnsidered. ”可知需要考虑重新分配水资源所付出的代价。
2. Which f the fllwing is true? A. The water in Texas has been reduced by 75%. B. Mst industries in the wrld suffer frm water shrtages. C. The undergrund water in Saudi Arabia might run ut in 50 years. D. Gd management f water use resulted frm the prject in the Central Valley area.
【解析】选C。细节理解题。根据最后一段的“Because there is n rainfall in these areas, such reserves can nly decrease, and it is believed that fifty years f 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 mst likely t be discussed in the paragraph that fllws? A. Steps t imprving water use management. B. Ways t reduce the csts f building dams. C. Measures t deal with wrldwide water shrtages. D. Appraches t handling the pressure n 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。