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ON THE MOVE
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1. People can travel on foot. But it takes a long time to get form place to place.3 w3 e1 x! O3 ^
! ~. I4 K# r6 u2. 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. K1 F8 P: F4 q+ w2 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?
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7 ^5 T; p) m7 e6 Y5. 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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2 E5 Y9 R& m& w6. 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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5 h8 x3 e0 j# L! F) `7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.$ R1 v1 C9 B! Q6 W+ Q5 X
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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.
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' v; c; P4 c' `" t' w4 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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: [% @. G" {8 h9 n# \# u0 @( f11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. 3 Q6 E/ P' u2 ~% C. f
) T) `1 P: G; O12. Some people find it difficult to walk. What machine can help them?
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狗仔卡
发表于 2005-7-18 14:43
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