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ON THE MOVE
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1. People can travel on foot. But it takes a long time to get form place to place.6 ~; @* s3 _! x5 A1 S' ^$ G. Z
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2. Machines help people travel more quickly and carry heavy loads" s5 i0 D* n9 @" ]
0 h8 r7 ?" u: Y, g0 w1 ]: X( y0 U3. A bicycle is machine. The faster you pedal, the faster you move.
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$ D% B; |: \7 G3 ?; Y4. You do not need to pedal a motorcycle. It was an engine that makes wheel go around. Why it this person wearing a helmet?
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5. Cars have four wheels, and the passengers sit inside. Car can travel very fast. But when road are busy, a car trip can seem slow and boring.
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6. When lot of people want to go to the same place, they travel together on bus or coach. They can even travel by streetcar.1 _3 ^+ ]4 L$ B9 ]' j& d
8 j/ K" e! M5 y8 B% C7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.
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8. Trains run on specially built railway tracks. Some train below ground., Z* w6 a- z! t3 f+ Q' ?; J: U
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9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people.
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10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine.
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11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth.
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; S) G# f+ P. {% {3 u12. Some people find it difficult to walk. What machine can help them?
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狗仔卡
发表于 2005-7-18 14:43
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