unit2MakingadifferenceUnderstandingideas课件高中英语
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• Growing population and urbanisation have increased the domestic and industrial water consumption, which can’t be fully supported by poor infrastructure.
the finished well hundreds of delighted children
Understanding ideas
2 Look at the pictures of the three people and read the quotations.
5 Later, Ryan’s experience led him to 7 set up a foundation to encourage more people to help.
2.What can we do to solve the water crisis?
3.What we students do to help solve water crisis?
Understanding ideas
Some language points in this part.
1. shortage
人口增长和城市化增加了家庭和工业用水量，而落后的基础设 施并不能完全支持这一需求。
Another fact we should knowUnderstanding ideas
Watch the video and talk about the questions.
1. What contributes to the shortage of fresh water?
eg. UN is short for United Nations.
④ be in short supply 供应不足；短缺
eg. Food and housing are in short supply in the disaster area. 灾区的食品和住宿供应不足。
UnderstLeabharlann nding ideasSome language points in this part.
2.effective
adj.有效的；实际的
affect v. 影响；对.....起作用；使受感染 --- effect n. 影响；效果；结果---effectively adv. 有效地
eg. Ordinary soap, using correctly, can deal with bacteria effectively.
c收ol集lec和t 净an化d p雨u水rify rainwater f资un助d 水wa利te工r p程rojects b建ui造ld水w井ell和s 水an泵d pumps r回ec收yc利le用w废as水te water s安et装up净f水ac设ili施ties to purify water d开ev发el节op水n新ew技w术ater conservation
②in effect=in fact
实际上；事实上
④cause and effect
因果
Understanding ideas
Some language points in this part.
3. fund
v. 为.....提供资金，资助； n.基金；专款
funds (pl.)n.
资金
eg.The project is jointly funded by several local firms.
n. 短缺；不足；缺乏
short adj. 短的；短暂的 ；简略的；矮的
①a shortage of... ......的短缺；缺乏......
eg. There is no shortage of fund.
不缺资金。 ②a serious/severe shortage
a growing shortage a desperate shortage a food/water/hoursing shortage
Understanding ideas
3 Complete Ryan’s story with expressions from the passage.
1 Ryan could get clean drinking water within ten steps, but some African children had to1 walk ten kilometres to get water . So Ryan decided to help. every day
He is kind-hearted, helpful, responsible and inspiring.
Which of his qualities do you admire most? why
His willingness to help others touches me most for it can make a great difference to others.
Drought. Droughts leads to water shortage.
Understanding ideas
2 Look at the map and talk about water problems in Africa.
Now tick the solutions that you think are most effective to supply Africa with fresh water.
• Frequent droughts due to global warming and deforestation have shrunk lakes and changed rainfall patterns. 由于全球变暖和滥伐森林而频繁发生的干旱使湖泊萎缩，并 改变了降雨模式。
• Traditional irrigation technology and agriculture have caused a good sum of water waste. 传统的灌溉技术和农业造成了大量的水资源浪费。
Understanding ideas
2 Choose the best explanation of the title and give your reasons.
1 The well built by Ryan solved the problem of worldwide water shortage. 2 The more wells you dig, the better the world will be. 3 The well built by Ryan encouraged more people to help make the world a better place.
6 Today, the life-changing gift of clean water8has benefitted over 8000,000 people.
in 16 countries across Africa
Understanding ideas
Think & Share
1 What kind of person do you think Ryan is?
technologies
Understanding ideas
1 Read the passage and find out what Ryan did to help solve the problem of water shortage in Africa.
Ryan raised $2,000 to build a well near a primary school in Uganda, and later set up a foundation to attract more support to provide clean, safe water for people in Africa.
Background information Understanding ideas
此外，非洲的水供应、获取和最佳利用情况并不乐观。 非洲只有5%的耕地得到灌溉，只有不到10%的水电潜力用于发电。 非洲缺水的原因很复杂。
Background information Understanding ideas
2 Ryan cleaned windows and did gardening, and reached2 his first target of $70 . But when he3 gave the money to a charity , he was told it cost $2,000 to build a well.
Understanding ideas
2 Look at the pictures of the three people and read the quotations.
3 Ryan persuaded his classmates and neighbours to4 donate money. His mother’s friend also helped him. After several months, he raised enough money and a well was built in Uganda.
Understanding ideas
Think & Share
2 As a senior high school student, what can you do to help people in need?
Background information Understanding ideas
这个项目是由当地几家公司联合出资的。
Water scarity in Africa
非洲的水资源短缺 Water scarcity remains a serious issue in parts of Africa for years, especially in North Africa. 多年来，水资源短缺仍然是非洲部分地区的一个严重问题，尤 其是在北非。 In Africa, millions of people can’t get access to clean drinking water, 在非洲，数百万人喝不到干净的饮用水， and they are living in areas with poor sanitation services. 他们生活在卫生服务很差的地区。
Unit 2 Making a difference
Understanding ideas
by Ada
Understanding ideas
1 Watch the video to learn about Africa.
Think about what is the biggest environmental problem African people face now?
严重不足 日益加重的不足 极度缺乏 水资源/食物/住房的短缺
Understanding ideas
Some language points in this part.
1. shortage
n. 短缺；不足；缺乏
short adj. 短的；短暂的 ；简略的；矮的
③ be short for 是......的简称/缩写
正确使用普通肥皂可以有效地对付细菌。
①have an effect on...对......产生作用；对......有影响
Understanding ideas
Some language points in this part.
2.effective
adj.有效的；实际的
affect v. 影响；对.....起作用；使受感染 --- effect n. 影响；效果；结果---effectively adv. 有效地
the finished well hundreds of delighted children
Understanding ideas
2 Look at the pictures of the three people and read the quotations.
5 Later, Ryan’s experience led him to 7 set up a foundation to encourage more people to help.
2.What can we do to solve the water crisis?
3.What we students do to help solve water crisis?
Understanding ideas
Some language points in this part.
1. shortage
人口增长和城市化增加了家庭和工业用水量，而落后的基础设 施并不能完全支持这一需求。
Another fact we should knowUnderstanding ideas
Watch the video and talk about the questions.
1. What contributes to the shortage of fresh water?
eg. UN is short for United Nations.
④ be in short supply 供应不足；短缺
eg. Food and housing are in short supply in the disaster area. 灾区的食品和住宿供应不足。
UnderstLeabharlann nding ideasSome language points in this part.
2.effective
adj.有效的；实际的
affect v. 影响；对.....起作用；使受感染 --- effect n. 影响；效果；结果---effectively adv. 有效地
eg. Ordinary soap, using correctly, can deal with bacteria effectively.
c收ol集lec和t 净an化d p雨u水rify rainwater f资un助d 水wa利te工r p程rojects b建ui造ld水w井ell和s 水an泵d pumps r回ec收yc利le用w废as水te water s安et装up净f水ac设ili施ties to purify water d开ev发el节op水n新ew技w术ater conservation
②in effect=in fact
实际上；事实上
④cause and effect
因果
Understanding ideas
Some language points in this part.
3. fund
v. 为.....提供资金，资助； n.基金；专款
funds (pl.)n.
资金
eg.The project is jointly funded by several local firms.
n. 短缺；不足；缺乏
short adj. 短的；短暂的 ；简略的；矮的
①a shortage of... ......的短缺；缺乏......
eg. There is no shortage of fund.
不缺资金。 ②a serious/severe shortage
a growing shortage a desperate shortage a food/water/hoursing shortage
Understanding ideas
3 Complete Ryan’s story with expressions from the passage.
1 Ryan could get clean drinking water within ten steps, but some African children had to1 walk ten kilometres to get water . So Ryan decided to help. every day
He is kind-hearted, helpful, responsible and inspiring.
Which of his qualities do you admire most? why
His willingness to help others touches me most for it can make a great difference to others.
Drought. Droughts leads to water shortage.
Understanding ideas
2 Look at the map and talk about water problems in Africa.
Now tick the solutions that you think are most effective to supply Africa with fresh water.
• Frequent droughts due to global warming and deforestation have shrunk lakes and changed rainfall patterns. 由于全球变暖和滥伐森林而频繁发生的干旱使湖泊萎缩，并 改变了降雨模式。
• Traditional irrigation technology and agriculture have caused a good sum of water waste. 传统的灌溉技术和农业造成了大量的水资源浪费。
Understanding ideas
2 Choose the best explanation of the title and give your reasons.
1 The well built by Ryan solved the problem of worldwide water shortage. 2 The more wells you dig, the better the world will be. 3 The well built by Ryan encouraged more people to help make the world a better place.
6 Today, the life-changing gift of clean water8has benefitted over 8000,000 people.
in 16 countries across Africa
Understanding ideas
Think & Share
1 What kind of person do you think Ryan is?
technologies
Understanding ideas
1 Read the passage and find out what Ryan did to help solve the problem of water shortage in Africa.
Ryan raised $2,000 to build a well near a primary school in Uganda, and later set up a foundation to attract more support to provide clean, safe water for people in Africa.
Background information Understanding ideas
此外，非洲的水供应、获取和最佳利用情况并不乐观。 非洲只有5%的耕地得到灌溉，只有不到10%的水电潜力用于发电。 非洲缺水的原因很复杂。
Background information Understanding ideas
2 Ryan cleaned windows and did gardening, and reached2 his first target of $70 . But when he3 gave the money to a charity , he was told it cost $2,000 to build a well.
Understanding ideas
2 Look at the pictures of the three people and read the quotations.
3 Ryan persuaded his classmates and neighbours to4 donate money. His mother’s friend also helped him. After several months, he raised enough money and a well was built in Uganda.
Understanding ideas
Think & Share
2 As a senior high school student, what can you do to help people in need?
Background information Understanding ideas
这个项目是由当地几家公司联合出资的。
Water scarity in Africa
非洲的水资源短缺 Water scarcity remains a serious issue in parts of Africa for years, especially in North Africa. 多年来，水资源短缺仍然是非洲部分地区的一个严重问题，尤 其是在北非。 In Africa, millions of people can’t get access to clean drinking water, 在非洲，数百万人喝不到干净的饮用水， and they are living in areas with poor sanitation services. 他们生活在卫生服务很差的地区。
Unit 2 Making a difference
Understanding ideas
by Ada
Understanding ideas
1 Watch the video to learn about Africa.
Think about what is the biggest environmental problem African people face now?
严重不足 日益加重的不足 极度缺乏 水资源/食物/住房的短缺
Understanding ideas
Some language points in this part.
1. shortage
n. 短缺；不足；缺乏
short adj. 短的；短暂的 ；简略的；矮的
③ be short for 是......的简称/缩写
正确使用普通肥皂可以有效地对付细菌。
①have an effect on...对......产生作用；对......有影响
Understanding ideas
Some language points in this part.
2.effective
adj.有效的；实际的
affect v. 影响；对.....起作用；使受感染 --- effect n. 影响；效果；结果---effectively adv. 有效地