新人教版高中英语《Not Enough Water》精品课件-PPT文档资料

Homework:
Retell the text according to the numbers given in the text..
…of
70%
water used worldwide is used for agriculture.
60%
ቤተ መጻሕፍቲ ባይዱ
Dams and other large projects affect …of the world’s largest rivers and provide millions with water.
Solutions
Dams and other large projects
Disadvantages
Parts of the population lose their homes and the environment is being destroyed. The level of the water underground is dropping.
Using underground supplies
New technology
Part 4 the importance of water
What can we infer from the text?
A.Water shortages will be more and more serious if B. measures can’t be taken. C.B. We shouldn’t use water any more. D.C. Water will disappear one day. E.D. There isn’t enough water for everyone’s basic F. needs.
evenly
2.In 1990, all the people could have a minimum of 50 litres of water a day.
F
3.More than half of the water in the world is used for agriculture.
T
Find out more information:
during the past 10 years by 2025, two--thirds 50 litres Water usage has increased Scientists expect this to…… People need a minimum of….of water a day.
4.If we suffer water shortages, it doesn’t matter. F long walks to get water high prices to buy it food insecurity diseases from drinking dirty water
Part 3 the solutions to water shortages
Fast reading
Part 1
(Para1)
The importance of water The world has a water problem. The reason and result of water shortages The solutions to water shortages
Part 2
(Para2—3)
Part 3
(Para4—6)
Part 4
(Para7)
Careful reading
Part 1 The world has a water problem
1.Why will water usage continue to increase? population water usage
2.By 2025 how many people will face water problem? Two thirds
Part 2 The reason and result of water shortages
1.We have more than enough water available for everyone’s basic needs. F