1. When a language dies out, a whole way of life disappears with it. （表达一种后果的递进）
2. While some students drop out after a few years studying, others finish academic courses with poor degrees.（表达一个问题中两个对立的现象或者表现）
3. Many people in the countryside migrate into big cities, resulting in an increase in the demands for accommodation, food and services in urban areas.（表达什么因素或现象会引发什么后果）
4. Advertisements give people more choices on what they want to buy, giving rise to the consumer society.（表达一个事物或者原因引发的两个并列结果）
5. By spending money to protect minority languages, governments can also preserve traditions, customs and behaviours.（表达采取的手段和会达到的后果）
6. The use of private cars is increasing in Shanghai, and this puts a strain on its infrastructure.（表达某一现象和后果）
7. Instead of driving cars, people should use public transport.（表达两种路径或者方法，二选一）
8. The utilisation of cheap labour helps companies to reduce the production cost. This encourages business expansion. （表达某一事物和原因导致的两个并列结果）
9. Compared to those who hold high school qualifications, university graduates often have more employment opportunities.（表达对比）
10. If air travel is restricted, people would opt for other means of transport such as buses and cars.（表达假设及后果）
11. I partly disagree with the idea that advertising has negatively influenced our life, because I recognise several benefits it brings to society.（表达立场以及坚持这种立场的原因）
12. When the government pays for tuition fees, the constraint of finance is removed, encouraging a greater number of students to attend academic courses.(表达一种假设及引发的系列后果）
话题：Scientists and tourists travel to remote natural environments, such as the South Pole. Do you think the advantages outweigh the disadvantages?
Whether the trend will have negative influence on the local environments remains a controversial issue.
话题：Some industrialised countries have serious environmental problems. The damage to the environment is an inevitable result when a country tends to improve the standard of living. To what extend do you agree or disagree?
Whether it should indispensably be entwined with the degradation of environment remains a controversial issue.
话题：Long distance flights use more fuel than cars and pollute the environment. We should discourage non-essential flights instead of limiting the use of car. To what extend do you agree or disagree?
Whether restraining the unnecessary flights rather than limiting the use of the car remains a controversial topic.
话题：Environmental problems are serious in many countries. It means that the only possible way to protect the environment is at an international level. To what extent do you agree or disagree on this hypothesis?
Whether only international cooperation is the essential way to tackle is a controversial topic.
话题：The best way to solve the world’s environmental problems is to increase the price of fuel. To what extent do you agree or disagree? Use your own experience and give an example to support your ideas.
Whether rising the gasoline price will dramatically solve it remains a controversial topic.
Communication between nations means that it provides a platform for people to create and spread expertise knowledge, as well as sharing respective resources.
这句话主语就是communication,谓语动词是means, 其实就是表达commnunication means something的意思。那么means后接了that,就是一个语法标记，引领之后的‘it provides...'这个宾语从句。
Opponents of such research argue that humans have no right to subject animals to this kind of trauma, and that the lives of all creatures should be respected.
I agree with the view that if they can abide by certain rules during their stay, the advantages should outweigh the disadvantages.
My view is that pursuing economic development should not come at the cost of undermining environment, but be in a sustainable way.
Environmental issues have always been an international problem because governments are not imposing harsh punishments against offenders. To what extent do you agree or disagree? Support your answer with specific reasons and examples.
Managing global environmental issues should be handled by one organization on a global scale. To what extent do you agree or disagree? Use specific reasons and examples to support your opinion.
Many agricultural lands are being converted into commercial centres. How does this affect the environment and the people’s life style?
Discuss this situation and provide suggestions. Support your answer with specific reasons and examples.
Many efforts have been made by countries to address problems concerning the environment but, the situation has not improved. What are the possible reasons and results of this situation? Discuss the situation and give suggestions. Provide reasons and examples to support your answer.
Nowadays, it is possible to move ocean creatures from their natural habitat at sea and have them relocated in amusement parks for the purpose of people’s recreation. Do you think the advantages of this development outweigh the disadvantages? Explain your reasons and support them with specific examples.
The government should close companies that produce toxic waste materials without their own waste treatment facility in order to protect the environment. To what extent do you agree or disagree? Use specific reasons and examples to support your position.
Many believe that companies behind oil and gas production promote new boundless opportunities while others fear the results from their intrusion in nature. Discuss possible reasons, results and solutions.
Why do we need to prevent the extinction of some animals like dinosaurs and dodos if it is caused by natural processes? What is your opinion about this?
People produce more garbage than in the past. Explain how it is affecting us and the measures that could be taken to address the situation. Provide specific examples and explanation to support your answer.
In modern times, some species of animals are slowly disappearing. Do you think that it is acceptable l for species to become extinct? What are the possible reasons and consequences of this extinction? Provide reasons and examples to explain your opinion.
Do you agree or disagree with the following statement? Protecting the Environment is the responsibility of the government. Use specific reasons and examples to support your opinion.
Do you agree or disagree that the world was a better place decades ago that it is today? Why do you think so? Give specific details and examples to support your answer.
表示原因：Firstly, it is obvious that the aim for establishing for-profit medical institutions is to make money, so they will definitely provide the best high-quality treatment and services to their customers, that is patients.
This is mainly because building the theatres and playgrounds are just beneficial to portion of citizens who are fond of them, rather than all people in the country.
表示条件 ：Like air and food, if people living in the modern society would not rely on either the medical institutions or the education organizations, they would not at least survive, not to mention live comfortably.
If people are always struggling to find the ideal place to live, how could they expect to settle up and realise their other accomplishments?
另外，副词性从句用得比较多还有表示时间和地点。（when.until,after, where这样的词来连接）还可以表达目的（so that , in order that, in case),更可以表达让步，（although, while, whoever, whenerve,however等这些词，表达“不论”，“不管”意思）还有表达限制的，类似as far as这样的连接词。而且也要注意，副词性从句在口语中也是重要的构成：
Since we did not prefer package holiday, we chose to explore the place by ourselves, which would be flexible for us to travel.
When we were on the way travelling to there, we saw hordes of tourists along the road .
After finishing preparation stage, me and my older sister went sightseeing around the park, and it is interesting that although the park is not a famous destination.
What make me really want to have the job because I am fond of interacting with other people, then working in the work place will give me the chance to deal with human relationships, not to mention that a teacher from my university compliment on my leader skills and he said that I have the ability to organize people to work together and lead them to boost the productivity, which is one of the reason driving me to the job.