Besides adding complementary flavors to many foods, the release of endorphins in the brain is stimulated both by hot sauces and exercise, and they have a pain-relieving effect like morphine's.
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Yeezy 2014-07-27 22:21:54
首先第一步，根据第一句话，可以决定主语是一种可以加入食物中并且引起内啡肽分泌的东西，排除CDE 第二步，exercise是不会释放内啡肽的，是做运动刺激释放内啡肽，要补出助动词does
