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ON THE MOVE; S! L, l7 {9 A: v( r. }
. f% F) I% y! m0 }; ?/ N1. People can travel on foot. But it takes a long time to get form place to place.+ p- T4 w- _% Y/ h: a8 T
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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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. a* V$ ?) r: _4 R1 z2 S4. 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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2 e2 ^3 h" l' N5 Y* t8 A5. 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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& c1 N' J5 O1 r# I+ q; a& a6. 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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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.4 c) e! U( O. y* Z
* X) e' c* N: m9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people.
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4 `5 C* f( I& h5 `8 R4 _" d10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. 9 {" n$ [" l I1 S# |& V! P1 ]$ ~) M
, p- j4 ?' ~9 I. x" o8 r, T11. 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?
W: @: |9 M* e; p; Q- w& bAnswer: wheelchairs. |
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狗仔卡
发表于 2005-7-18 14:43
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