请先阅读下面短文,掌握其大意,然后根据短文内容从下面的七个选项中选择五个还原到文中,使短文意思通顺、结构完整,并在答题卡上将其序号涂黑。一空一句。Feel down? Hug a tree! Recently, many Chinese young people have turned to trees to lower (减少) stress. It sounds strange. {#blank#}1{#/blank#}
US scientist Edward Wilson pointed out that humans were born to love being around other living things. Human's love for nature is "in our DNA". {#blank#}2{#/blank#} It's also one of the reasons why people love cute pets.
Some scientists have studied why tree-hugging can help with our health. A study in 2021 reported that the activity can create more oxytocin (催产素). {#blank#}3{#/blank#} The higher the level of oxytocin is, the happier we may be. Hugging trees for only 21 seconds can lead to an increase in oxytocin.
Hugging trees also helps cut cortisol (皮质醇) production, which makes us feel better. {#blank#}4{#/blank#} The brain produces more cortisol when the person is worried, angry, or very sad.
Although the activity is helpful to us, it's important to keep in mind that we shouldn't hurt nature while hugging trees. Trees play a valuable role in our environment. Many small living things live in the tree. {#blank#}5{#/blank#} You need to be gentle when hugging trees—just like how you hug a friend!
A. Cortisol is a sign of stress.
B. It's something connected with feelings.
C. It is normal for adults to be stressed out.
D. And they are too small to be seen.
E. Worries can be a heavy weight over our shoulders.
F. However, there's some science behind the act of tree-hugging.
G. His idea helps to explain why people prefer natural views (景色) to city views.