在剑4 test2 passage 1 Lost for Words 这篇文章中就涉及了语言消亡的原因、影响及拯救办法：The critically endangered languages are those that are only spoken by the elderly. （原因）
Why do people reject the language of their parents? It begins with a crisis of confidence, when a small community find itself along a larger, wealthier society. People lose faith in their own culture. （原因）Quite often, governments try to kill off a minority language by banning its use in public or discouraging its use in schools, all to promote national unity. （原因）
The deadliest weapon is not government policy but economic globalization. （原因）When an unwritten and unrecorded language disappears, it is lost to science. （影响）
Language is intimately bound up with culture, so it may be difficult to preserve one without the other. （影响）The loss of diversity may also deprive us of different ways of looking at the world. （影响）
The key to fostering diversity is for people to learn their ancestral tongue, as well as the dominant language. （拯救措施）而在雅思写作考试中，也经常考到此类话题的大作文：
在剑2 test3 passage 2 THE MOTOR CAR中涉及到了汽车的积极影响、负面影响和解决办法：This dependence on motor vehicles has given rise to major problems, including environmental pollution, depletion of oil resources, traffic congestion and safety. （负面影响）
The concentration of vehicles makes air quality in urban areas unpleasant and sometimes dangerous to breathe. （负面影响）The invention of motor vehicle bring personal mobility to the masses and made rapid delivery possible over a much wider area. （积极影响）
Cars easily surpass trains or buses as a flexible and convenient mode of personal transport. （积极影响）Mass use of motor vehicles has also killed or injured millions of people. （负面影响）
Other social effects have been blamed on the car such as alienation and aggressive human behaviour. （负面影响）Car transport is seven times as costly as rail travel in terms of the external social costs it entails such as congestion, accidents, pollution, loss of cropland, and natural habitats, depletion of oil resources, and so on. （负面影响）
Technical solutions can reduce the pollution problem and increase the efficiency of engines. （解决办法）But fuel consumption and exhaust emissions depends on which cars are preferred by customers and how they are driven. （解决办法）
One solution that has been put forward is the long-term solution of designing cities and neighbourhoods so that car journeys are not necessary——all essential services being located within walking distance or easily accessible by public transport. （解决办法）A more likely scenario seems to be a combination of mass transit systems for travel into and around cities, with small “low emission” cars for urban use and larger hybrid or lean burn cars for use elsewhere. （解决办法）
Electronically tolled highways might be used to ensure that drivers pay charges geared to actual road use. （解决办法）
One long-distance flight consumes fuel which a car uses in several years’ time, but they cause the same amount of pollution. So some people think that we should discourage non-essential flights, such as tourist travel, rather than to limit the use of cars. To what extent do you agree or disagree?
The best way to solve the world’s environmental problem is to increase the price of fuel. To what extent do you agree or disagree with this statement?
Individuals can do nothing to improve the environment. Only governments and large companies can make a difference. To what extent do you agree or disagree with this opinion?
The consumption of the resources on the earth is increasing at an alarming rate and above a dangerous level. What are the causes of this? What can be done to reduce it?
The unlimited use of cars may cause many problems. What are those problems? In order to reduce the problems, should we discourage people to use?
Some believe that environmental protection is very important but they do not do anything about it. Why does it happen? How can we do to solve the problem?
Fossil fuels, such as coal, oil, natural gas, are used in many countries, but in some countries, the use of alternative sources of energy, including wind and solar power, are encouraged. Is this trend a positive or a negative development?
Nowadays, technology developments are causing environmental problems. Many people think that we should live a simpler life while others believe that technology can solve environmental problems. Discuss both views and give your own opinion.
Some people believe that environmental problems are too big for individuals to deal with, while others think that individuals should take some actions. Discuss both views and give your opinion.
The environment problems facing today's world are so great that there is little ordinary people can do to improve the situation. Government and large companies should be responsible for reducing the amount of damage being done to the environment. To what extend do you agree or disagree?