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12. Penicillin was discovered by Alexander Fleming. (改为一般疑问句)

      Penicillin       by Alexander Fleming?

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Nowadays many new and useful inventions have come into use. If I were a scientist, I would have my own invention―a magic door, a door that can take me to every part of the world.

Since our life is getting busier and busier,my magic door is really needed. The population of the world is rising day by day,and the number of cars is getting larger. So traffic jam becomes a big problem for people in both poor and developed countries. Mo?reover, by using a large number of cars,people have to face another problem—-the pollution of the air. All those reasons lead to the need for such an invention like a magic door. It can take the place of ways of transportation.

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根据短文内容完成表格。(每空一词)

 

My own invention―a magic door

The 16       for

The traffic  17      

the magic door

The 18       of the air

The advantages of the  magic door

It can help people go 19       they want.

It can also make people 20       .

16.________  17.________  18.__________

19.________  20._________ 

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