题目内容

先通读下面的短文,然后根据短文内容和所给首字母,在空格内填入一个适当的词,使短文意思完整。

  I think life will be very different in one hundred years' time.Some things will be b   1   and some things will be worse.

  Firstly, people won't l  2   on the land of the earth.Our cities will be in large domes(圆顶屋)under the sea.Special machines will p  3   oxygen and light but the environment won't be the same.

  Secondly, trees and plants won't grow because t  4   won't be any soil.As a result, people won't be able to grow crops, food will mainly be in the f  5   of pills.If the sea isn't too polluted, people will eat f  6  

  What's more, I think people's e  7   life will be different.They won't have to w  8   long hours because computers will help them.No one will have to do housework, e  9  

  Finally, I believe that everyone will be able to travel to the moon, to other p  10   and perhaps even to other galaxies(星系)f  11   a holiday.

  In a w  12  , I think that in the future we will live in the interesting places.

答案:
解析:

  1.better

  2.live

  3.provide/produce

  4.there

  5.form

  6.fish

  7.everyday

  8.work

  9.either

  10.planets

  11.for

  12.word


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Twentieth Century Inventions

●●●1903-The first flight succeeded.

  In 1900, Wilbur Wright said flight was possible for man.After much work he and his brother Orville Wright made this dream come true.

  On December 17, 1903, the brothers made the first successful airplane flight on a windy beach at Kitty Hawk, North Carolina.The brothers' plane flew 120 feet.Although the flight lasted only 12 seconds, it moved the course of history in a new direction.

●●●1935-Nylon was invented.

  In 1928, a new chemical lab was opened to make a kind of man-made materials.Wallace Carothers took part in the team when he was 32 years old.

  In 1934, he made fibers(纤维), but the fibers were quite weak.He didn't give up.After many experiments, he produced the long and strong fibers in 1935.They named the fibers “nylon”.Carothers was very satisfied with his work.

  Nylon hit the markets in 1939, and quickly became a replacement of silk.But it was a pity that he didn't see the wide use of his invention.He died in April, 1937.

●●●1968-The computer mouse was first shown in public.

  As a graduate student, Douglas Engelbart began to imagine ways in which all sorts of information could be on screens.

  In 1964, Douglas Engelbart made the first computer mouse.The computer mouse had a wooden shell with two metal wheels.

  In 1968, the first computer mouse appeared in public.It was named “mouse” because a tail came out at the end.In later years, the computer mouse became more and more important.

  Douglas Engelbart changed the way that computers worked.

  Now computer mice are becoming increasingly useful.And there are many different shapes of computer mice in the world.

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