1. A serious accident(事故) happened to the chairman(董事长) of a big company. He was driving alone at midnight(午夜). Luckily, he was able to recover after a series of operations(手术).
2. In summer vocation we can do a part-time job, which can bring us both income(收入) and working experience, therefore(因此), we should make flexible(灵活的) plan for summer vocation. However, we should spare some time to study per(每一) day.
3. In a small cafe(咖啡馆), a woman who was pregnant(怀孕的)felt uncomfortable suddenly. Everyone present offered their assistance(帮助) and especially, a waitress(女服务员), who knew some basic knowledge about first aid(救治).
