3Brainstorming Possible solutions to the problem 1. stop wars 2. give medical care and training3. improve local environment4. provide educational training学生分享自己的生活经历，自然进入主题。5. donate food and money6. develop renewable energy
4Pair workLook at the four pictures and try to answer all the question by working in pairs.利用书本所提供的素材，了解其他人口迁移的原因。
6Pair work 1. What is in the picture? A lot of grains and a hand. 2. What can food aid do to help solve the problem of poverty?Food aid can help feed people who have no food.
7Pair work3. Do you think food aid is a short-term or a long-term solution to the problem of poverty?Food aid is a short-term solution as it gives food immediately to people who are very hungry, but it does not allow them to grow their own food in the future.
9Pair work 1. What is the man doing in the picture? He is building something.2. Why do you think he works so hard?He works so hard because he might be poor and need the money.
10Pair work3. Do you think training people to make a living is a short-term or long-term solution to the problem of poverty? Why or why not?Training people is along-term solution to the problem of poverty. It allows them to make a living by themselves.
12Pair work 1. What has happened to the village? It has become a city. With the development of society, many villages have changed a lot over the years. Tall buildings have been built and motorways and bridges have been constructed. The living conditions of local people have been greatly improved. Small villages have been developed into towns or cities.
13Pair work 2. Do you prefer living in the city or in the country? Why? 3. What problems may developing too fast cause?
14Pair workDeveloping too fast might harm the natural environment. For example, many trees have been cut down in order to build factories, roads and bridges. Also, almost everything we do in our modern lives, be it cooking or travelling, requires the use of Earth’s natural resources, which we may run out of one day.
16Pair work What do you think the things are used for? I think these machines are used to generate electricity by using wind power.2. What might happen to the coal, oil and other natural resources in a thousand years?The supplies of coal, oil and other natural resources might run out in a thousand years.
17Pair work3.What is renewable energy? Can you suggest some good examples of energy for the future?Renewable energy is energy that comes from a source that will not run out. Solar, wind and hydroelectric or water energy are all sources of renewable energy that could be used in the
18Group discussionIs Wuxi developing at a fast rate? What will it look like in twenty years’ time?找出更多迁移的原因，此处可以让学生讲他们讨论的结果写在黑板上然后进行具体阐述。
19Group discussion Wuxi in the past 找出更多迁移的原因，此处可以让学生讲他们讨论的结果写在黑板上然后进行具体阐述。Wuxi in the past