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ON THE MOVE0 Y% m9 }/ }$ ^+ H8 y% M
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1. People can travel on foot. But it takes a long time to get form place to place.
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* d* q5 A3 y( @2. Machines help people travel more quickly and carry heavy loads
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3. A bicycle is machine. The faster you pedal, the faster you move.
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4. You do not need to pedal a motorcycle. It was an engine that makes wheel go around. Why it this person wearing a helmet?; q# f& w, [4 F
# F- W7 A0 H! W4 N, R2 o- Z9 L5. 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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$ ~- D# [! J7 C& i6. When lot of people want to go to the same place, they travel together on bus or coach. They can even travel by streetcar.$ V" ?+ y9 M& R' i
7 \( m- p4 b9 R% {7. 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.# h& |$ _8 x* i( ~7 z7 S, E
) I* w& a$ P; \9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. & H1 R8 J! [2 Y7 _6 T5 Z
' O. ]$ s8 A, N6 X' P10. 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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+ u/ m8 R" x3 l' O* I9 y11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. ; X* E6 f& g: \% k: v
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12. Some people find it difficult to walk. What machine can help them?
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发表于 2005-7-18 14:43
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