从本质上看，两次鸦片战争爆发原因的相似点是（    ）

填入下列一段文字横线处的语句，最恰当的一项是（   ）

    中华饮食的艺术性与科学性、饮食之悦与饮食之养、滋味与滋养是辩证统一的关系，其共同点是五味调和。滋味调和既可给人以美的享受，愉悦人的身心，也可对人体起调节作用，有利于身体健康，这是滋味的积极一面。但是，                             ，就走到了事物的反面，产生消极影响。所以《黄帝内经》提出“饮食有节”原则，享受美味要适度，需要理性控制天性。

    Mr Brown's horse was lost at night. All of his friends were very ____ to hear that and came to see him together. After ____（听） his story, one of them said, “Why didn't you close the door of the stable(马厩) last night?” “You aren't a deaf man”, the second said. “Didn't you ____anything at that moment? The thief(小偷) must ____(赶走) the horse away out of the gate, and couldn't carry it on ____ back.” “I agree with you,” said the third man. “How ____(careful) you are! Every evening before I ____ to bed, I lock my stable first and put the key in my box. Why didn't you do so?”The more they said, the ____excited they became. At last Mr Brown couldn't stand any more and said ____(angry), “None of you would help me look for my horse or catch the thief. Do you think that it's all my fault(错误）?____ don't you blame(责备) the thief?”