cease to do 长时间，甚至永远停做某事，cease doing 短时停止做某事，以后还会接着做。例如：
That department has ceased to exist forever. 那个系已不复存在。
The girls ceased chatting for a moment when their teacher passed by. 姑娘们在老师走过时，停了会聊天。
上学与受教育(School and education)
父母是否该为孩子做决定?
英语晚间(An English Evening)
看英语电影学英语(Learn English with DVD movies)
交流和语言(Communication and Language)
我的房间(My room)
做人要诚实(It Pays to Be Honest)
体育运动的好处和坏处(Positive and Negative Aspects of Sports)
我对考试的看法(My Views on Examinations)
你喜欢哪种方式的旅行?(Which Mode of Travel Do You like?)