Have you found that on grey, rainy days, your mood level is usually lower than on bright, sunny days? Is this a coincidence (巧合), or is there any science behind this?
According to a recent study, there is a connection ①____ weather and moods. Going to a warm place in winter can make our moods better. Pleasant weather has been proven to improve moods and memory. However, extremely hot weather can actually make us feel more tired and bored.
The best temperature for humans is about 22. 2 ℃. That explains why people in southern California are happy all the time. ②To improve his or her moods, a person must spend at least 30 minutes outside in warm, sunny weather. Spending time indoors when the weather outside is nice tends to lower moods. It can also make inside activities seem boring.
Maybe only the activities connected with being outside affect our moods. Warm weather is connected with the beach, fun outdoor sports and so on. It ③____ back childhood memories of playing outside all day. Who doesn't love that?
④ 当然，我们每天醒来，并决定那天的感觉是怎样的。If it's rainy, that won't necessarily make us unhappy. We'll just have to take our umbrellas out and cheer up those who are feeling sad.
① ③
