41
(A)Endorphins not only make us feel better, but reduce pain as well.
(B)Studies show that smiling reduces stress and stress-related hormones.
(C)We can even get the benefits of smiling just by making ourselves smile.
(D)In other words, we smile because something happens that makes us happy.

答案：登入後查看
統計： A(317), B(41), C(41), D(15), E(0) #1402509

信穎吳

B1 · 2016/11/17

#1519700

（A）內啡肽不僅使我們感覺更好，而且減少疼痛。（B）研究表明，微笑減少壓力和壓力相關激素。（C）我們甚至可以通過使自己微笑來獲得微笑的好處。（D）換句話說，我們微笑，因為發生的事情，使我們幸福。