题目

    Snake dishes have become popular in recent years．Snake meat is often seen in restaurants. It seems that eating snake is now in fashion and if you haven't eaten snake yet, you're considered “out of date。”     But I wonder whether all of the trends(趋势)are worth following．     Some people may defend(辩解)themselves by saying that eating snake is good for their health.But these people don’t find out that mice and worms are often in snakes' bodies，therefore,there are many parasites(寄生虫)found inside smkes．they may be bad for our health.   Apart from this，w生活中的下列变化,属于物理变化的是A.木柴燃烧 B.铁钉生锈 C.酿酒制醋 D.水的蒸发