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ON THE MOVE
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4 j2 { E) }# V, W9 a7 g1. 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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# n9 Q6 o0 e3 z' [* u7 v+ U4. 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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: G4 q* ]0 K* e. R% x5. 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.
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) r" A0 U( [8 d4 H5 m7. 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.
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9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. ! l) P' _7 [+ A& \. I" F( Z; O7 K4 N
$ |4 S/ a N. t2 O, o: I10. 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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, X5 ~$ I9 M' P! f12. Some people find it difficult to walk. What machine can help them?9 |& w* p7 s: ]! |
Answer: wheelchairs. |
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