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ON THE MOVE. a3 t' N& \# @, Z3 R
' m5 B! l5 `0 Q1. People can travel on foot. But it takes a long time to get form place to place.
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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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/ U$ j8 P+ H) ^! ~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?# S, s: W. Z Y3 Y/ J+ ^
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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.$ j: j1 h# T3 L/ n! |$ Z7 d4 Z
! i8 J7 J8 w' x5 t6. 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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# e$ B& Q3 y" G7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.. Z, j& {8 ~( @# h/ E, P
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8. Trains run on specially built railway tracks. Some train below ground.4 C# |8 N$ f& H5 O" d9 Y8 T
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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. 2 j6 S& n/ K& ~4 h- y& U4 x
& O& |# d( P* @5 ~( k. T1 U11. 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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8 T$ y1 d* `, X12. Some people find it difficult to walk. What machine can help them?
7 n$ j/ {3 M+ {/ |Answer: wheelchairs. |
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