综合写作：Carolina bays 是否是由陨石撞击形成

独立写作：Some people believe that it is an important part of a child’s education to go on field trips (for example, to museums). Others think that a child’s time is better spent learning in a classroom at school. Which view do you agree with? Use specific reasons and examples to support your answer.

综合写作：火星上是否存在液态水

独立写作：Do you agree or disagree with the following statement? The best way for parents to teach their children about responsibility is to have the children care for an animal.

综合写作：小学是否应该开设音乐基础课

独立写作：Which activity do you think can help you to strengthen the friendship between you and your friend? Having a good time together with your friend or talking about each other’s problems and supporting each other? 

综合写作：考古学家发现山洞的用途

独立写作：Foods and drinks that contain high levels of sugar, salt, or fats have harmful health effects when consumed in great quantities. Some people believe that governments should make these unhealthy foods and drinks more expensive by taxing them. The tax (money paid to the government) would discourage consumption of unhealthy foods and drinks and raise money for future health-care costs. Other people believe that consumers buying foods and drinks should not pay any additional tax, even if the foods or drinks are unhealthy. Which viewpoint do you agree with, and why？

综合写作：水手死于铅中毒，有人认为是食品罐头的原因

独立写作：Do you agree or disagree with the following statement? It is better for older people to take risks and explore new things than young people.