How much time do you spend1 in the sun everyday?
Sunshine is good for our health.
It gives us strong bones2.
It makes us happy.
Now scientists say it can even make you smarter.
Scientists did tests（實驗）on time.
They give mice lots of sunlight.
After that,the mice produce（產生）a special thing in their bodies.
Its name is glutamic acid（穀氨酸）.
Glutamic acid does many things for our body.
It can improve3 some of our abilities（能力）.
These abilities are learning and remembering things.
It is OK to enjoy some sunshine for about an hour every day.
But be careful.
It is summer now.
The sun is very strong around noon.
It is best to enjoy sunlight in the morning or before sunset（日落）.
The sun will not burn（曬傷）your skin4 at these times.
WORD BANK | 詞彙
spend [spend] 度過
bone 英[bəʊn] 骨頭
improve 英[ɪmˈpru:v] 提高，改善
skin 英[skɪn] 皮膚
文章摘錄自21世紀學生英文報 小學
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