精选优质文档-倾情为你奉上【Society】2015-1-10The leaders or directors of organizations are often older people. But some people say that young people can also be a leader. To what extent do you agree or disagree? 【Society】2015-1-17Some people think that the amount of noise people make have to be controlled strictly, others say that people are free to make as much as they wish. Discuss both sides and give your opinion.【Environment& Culture】2015-1-29Nowadays, both scientists and tourist