阅读理解-单选/选择3题 0.85 引用1 组卷129
Seasonal sleep problem
Summer has arrived. What comes with it is the feeling of tiredness during the day. This is commonly known as “summer drowsiness（夏乏）”. Let’s take a closer look.
• People who like to eat cold food. • People who stay up late. Physical exercise is always good for your health.
Running, swimming, ball games and even taking a bath helps increase blood circulation（循环）. This makes you less sleepy. Why are we sleepy in summer?• Biological clock Your biological clock has not been adjusted（调节）according to the seasonal change of day and night. • Less blood in the brainIn summer, the capillaries（毛细血管）relax. More blood runs to the surface, while less goes to the brain and other parts of the body. A healthy waking and sleeping timetable is important in fighting this kind of drowsiness. |
| A．sleep early | B．enjoy iced coke | C．play soccer |
| A．We have to do morning exercises every day. |
| B．Blood in our body runs too quickly in summer. |
| C．Our body has not got used to the seasonal change. |
| A．exercising often | B．taking fewer showers | C．getting up late |
2022·湖南长沙·一模
