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' q* M% u" w* S1. 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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2 ~6 t, f' B! R* @) J* ?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?
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7 R. G s$ S, G7 R5 H5. 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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9 z8 f5 E- I. F* n' ?7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.8 O$ J, c3 `# ~' P8 K# I
$ A4 n0 M( `2 L: D" T8. Trains run on specially built railway tracks. Some train below ground.
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! V3 U: f v! F0 e% }9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. ( T% `$ Z5 N0 v2 B P/ x
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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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; \& ~( d! x& Y0 i* P. j11. 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?
4 h% x+ r4 a5 x! xAnswer: wheelchairs. |
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狗仔卡
发表于 2005-7-18 14:43
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