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材料一:2016年9月4 至5日,二十国集团(G20)领导人第十一次峰会在中国杭州举行。在东道主中国的力推下,峰会为世界经济开出了走向强劲、可持续、平衡、包容增长的“中国药方”,发表了近30份成果文件,在国际上树立了新的“全球标杆”,“中国担当”“中国主张”“中国智慧”在G20历史上镌刻下了不可磨灭的“中国印记”。

材料二:在G20杭州峰会之前,B20峰会首先召开。B20峰会是世界上参与国家最多、对世界经济影响最大的I商峰会之一,旨在为G20提供经济政策决策建议和导向。此次参会工商界代表中半数来自中国,中国企业向世界发出了实施G20智慧创新、加强基础设施互联互通等倡议。从以前的“买票看戏”到当今的“登台唱戏”,中国企业的影响力正得到更广泛的肯定与认可。

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    What will man be like in the future—in 5,000 or even 50,000 years from now? We can only make a guess, of course, but we can be sure that he will be different from what he is today, for man is slowly changing all the time.

    Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on average, men are about three inches taller, so we may assume (假定) that man will continue to grow taller. Again, as time goes on, we shall have to use our brains more and more. This is likely to bring about a physical change to the head, in particular, the forehead will grow larger.

    Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weaker and we have to wear glasses. But over a very long period of time it is likely that man's eyes will grow stronger.

    On the other hand, we are likely to make less use of our arms and legs, which, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.

    But what about hair? This will probably disappear from the body altogether in course of time because it does not serve a useful purpose any longer.

    Perhaps all these give the impression that in the future man will not be a very attractive creature to look at! This may well be true. All the same, in spite of all these changes, future man will still have a lot in common with us.