line, bar, map, table, 组合图, flow-chart, pie
e.g. The workplace nowadays is trying to employ the equal number of females and males. Do you think it is a positive or negative trend?（可延伸到男女生招生问题）
e.g. It is said that work is the most important thing of people`s life. Without the success of career, life will become meaningless. To what extent do you agree or disagree with the opinion?
e.g. Many people say that we have developed into a “throw-away” culture, because we are filling up our environment with so many plastic bags and rubbish that we cannot fully dispose of. To what extent do you agree with this opinion and what measures ca