论文部分内容阅读
请认真阅读下列短文,从短文后各题所给的A、B、C、D四个选项中,选出最佳选项。How many hours do you spend sitting in a chair every day?Eight hours in the office plus three hours in front of the TV after work is the pattern for many people.You probably don’t need an expert to tell you that sitting too much is not good for