4. You can make eye contact with the professor. Don't underestimate the power of this. If your teacher knows you're really listening and that you care about what you're learning, he or she will be extra willing to help you. Besides, it'll feel like you've got your own private teacher.
6. Li Jianmin, from the local Public Security Bureau, told Xinhua news agency, quoted by the South China Morning Post: 'The entire processing facility had a fishy and foul smell. You just couldn't stand it after one or two minutes.'