Shortcuts to the Future Within the last 100 years, the world has changed beyond all recognition. To someone from the year 19

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答案 Shortcuts to the Future Within the last 100 years, the world has changed beyond all recognition. To someone from the year 1900, jet aircraft, television sets, computers, microwave ovens and many other modern devices would seem like magic. A century ago, people traveled slowly by horse-drawn carriage. Today, they glide along freeways in cars at a mile a minute. People can use mobile phones to talk to other people anywhere on Earth. They can watch events in another country as they happen via signals transmitted by a satellite far out in space. Given that change has come so quickly, imagine what things may be like in the year 2100 or beyond. Perhaps, by then, people will have colonized other planets around the Sun. Or there may be computers that are more intelligent than human beings. The possibilities are endless, and we can scarcely begin to imagine them all.

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