时间： 上个月
演讲者： 健康专家张教授
主题： “久坐伤身”
现状： 随着电视电脑的发展，人们坐着的时间变得越来越长，尤其是办公室工作者和学生。
久坐的危害： 使人们颈痛，背痛，肥胖; 增加了患心脏病甚至死亡的风险。
专家建议： 要养成健康的生活习惯，例如：可以步行或骑自行车上学上班；打电话时站立等等；特别提醒学生下课时要站起来活动。
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参考范文：
Last month a lecture with the theme of “sitting for too long is bad for people’s health” was delivered by Professor Zhang, a health expert.
With the rapid development of TV(s) and computer(s), many people，especially office workers and students, spend more and more time in sitting, which has a bad effect on their health. Not only can this habit make your neck and back ache, but it may make you fat, increase the risk of heart disease and even death. To prevent these problems from happening, Professor Zhang pointed out that people should form good living habits, such as going to school and work on foot or by bike and standing while talking on the phone. He particularly reminded the students to stand up and take some exercise during break time at school. (或do some activities between classes )
