A. inflammation B. abnormal movement of colon C. viral infection D. tumor in colon
Abnormal nervous system. B. Severe infection. Certain food. D. Mite in room.
A. Breaking up with your partner. B. Chronic cardiovascular disease. C. A hot weather. D. Putting on too much makeup.
A. Exercise regularly. B. A positive mindset. C. Eat whatever we want. D. appropriate probiotics intake.
A. Beef. Beans. C. Peaches. D. Carrot.
A. 对 B. 错