问答题 We are still in the middle of the Industrial Revolution. We had better be, for we have many things to put right in it. But it has made our world richer, smaller, and for the first time ours. And I mean that literally: our world, everybody" s world.From its earliest beginnings, when it was still dependent on water power, the Industrial Revolution was terribly cruel to those whose lives and livelihood it overturned. Revolutions are—it is their nature, because by definition revolutions move too fast for those whom they strike. We still live in the middle of the Industrial Revolution and find it hard to see its implications, but the future will say of it that in the ascent of man it is a step, a stride, as powerful as the Renaissance. The Renaissance established the dignity of man. The Industrial Revolution established the unity of nature.

问答题 尽管中国农业进一步发展面临不少困难，但我们仍将不懈努力，用行动来兑现诺言，要依靠自己的力量解决好吃饭问题。我们愿与世界各国携手奋进，共同创造一个无饥饿、无贫困、可持续发展的世界。

问答题 为什么奶油比黄油更容易变质有些研究人员认为他们已经找到了答案，归结起来就是：奶油与黄油的物理结构不同，而非化学成分有异。