問題詳情

Research shows that smiling has many positive effects on our health. This might explain why the people in the studieswith bigger smiles had longer lives. 40 It also lowers blood pressure. Smiling can affect the brain in the same wayas exercise. For example, it increases the amount of feel-good hormones such as serotonin and endorphins. 41 Furthermore,recent brain research shows that just the act of smiling can actually make us happier. 42 But then, our smiles senda message back to the brain that makes us feel even happier. Smiling is clearly good for us. 43 It is easy to see thatsmiling is much more than just an expression of happiness. It’s a powerful tool for maintaining both emotional andphysical health.
40
(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.

參考答案

答案：B
難度：簡單0.759036
統計：A(8),B(126),C(21),D(6),E(0)

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