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ON THE MOVE" [( U: d: D* L8 G9 V# ~. {
* z3 G$ C; \6 C6 j; M) B2 e1. People can travel on foot. But it takes a long time to get form place to place.2 Q6 R& v+ l9 |6 n1 B
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2. Machines help people travel more quickly and carry heavy loads
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: y8 n3 l. {6 B. A6 V" h# ^* f3. A bicycle is machine. The faster you pedal, the faster you move." S9 v0 @. m+ \- G4 M' w0 i( b, ?
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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?; T! g* p) Z$ P) ]& K2 l% U }
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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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K3 D7 O4 H) P. M( w1 g$ u6 t3 r6. 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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1 p3 S4 k* \( d7. 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.7 q$ f( K) s5 B) {* U
/ _8 K1 y" ~% K$ k2 m: Z9. 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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12. Some people find it difficult to walk. What machine can help them?
J) @9 h0 t+ C( m9 MAnswer: wheelchairs. |
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