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ON THE MOVE! [6 q( s4 r4 C' P3 N0 f6 Z
8 z& k# c" \; z& Q- d1. People can travel on foot. But it takes a long time to get form place to place.
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8 [8 K/ m" y0 L, Y# i2. 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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; Y1 u+ b G6 n _2 ?6 p4. 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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, c, q9 B: y- e; D4 B/ J5. 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.1 z% i) r0 w ?" I0 p& c2 Q
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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.3 `1 D; U x. |
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7. 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. + C, i* H. j: ~; @: x) K
4 M( t, `: o$ P% V. H+ q E X10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. : V- {' Z( U2 P+ v
7 [. K- j7 D. V9 A# a" o! F4 L11. 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?
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狗仔卡
发表于 2005-7-18 14:43
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