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ON THE MOVE. `1 k4 c* T0 M2 e) D2 V* o5 P
# `1 O4 N% ], z& c: a6 ` f1. People can travel on foot. But it takes a long time to get form place to place.: K+ E7 ^/ X% _6 |/ L$ l
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2. Machines help people travel more quickly and carry heavy loads# ?3 }! W* K5 v
( u9 x" Q' s( q+ V) L& |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?# ^2 V5 f: R5 M. q
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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 U! A7 Z, y1 b! x) C6. When lot of people want to go to the same place, they travel together on bus or coach. They can even travel by streetcar.
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7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.$ S7 S2 v: `5 t j! X
, g- A, E1 T' k. `# @8. Trains run on specially built railway tracks. Some train below ground.! R% A" G, L1 P) T- ^ b$ M9 u7 h
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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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& N$ o, `3 n# l, c1 t10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. ( F, u* w( m e: r" b* u
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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. ' D: k* ~4 g0 k1 ~( c% E- H2 F, O
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12. Some people find it difficult to walk. What machine can help them?
+ ?! ` |( H3 [0 C1 y* \Answer: wheelchairs. |
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