题目

Here are some of the most common causes of fatigue, and what you can do about them. Inadequate Sleep. If you don’t get enough sleep you’ll be tired but it’s rare that busy people get enough sleep. When there aren’t enough hours in the day to do everything, something has to give, and that’s usually sleep. Don’t fool yourself that you can get by on five or six hours of sleep a night. Most people need at least eight hours and some even more. Hormone Imbalances. Thyroid disease is extremely common today, especially among young women and the elderly. As common as thyroid disease is, its下图为“长江三角洲城市和人口分布示意图”，读图回答下列问题。（1）长江三角洲东侧濒临的A海域是_____海。（2）受海洋湿润气流的影响，长江三角洲地区夏季的气候特征是_____。（3）图示人口≥500万的城市有上海、南京和______，其中______是我国最大的城市，______是江苏省的行政中心。