【正文】
ho is he? How old does he look? Mr Li Do you know the secret to good health? He looks 60 years old. secret to good health 健康的秘訣 First, get plenty of sleep. 足夠的睡眠 Second, keep a good diet. 保持良好的飲食習(xí)慣 Third, take plenty of exercise. 有足夠的體育鍛煉 Finally, Mr Li thinks the most important thing for(對