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ON THE MOVE# V6 {- S: i' g
5 A& `: G. _% W9 ]2 C9 H- d+ K1. 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., ^, P% H: z/ y$ l% I# M h
8 S) w" C. }. `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?8 g3 ~- }, s: Y7 o& V
; O4 E2 P8 D- r: ?, O5. 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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$ X2 H) A) t; H. O4 c6. 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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. k2 z n5 z. G m0 M7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.& [. Z1 T' t0 W
2 ~3 |0 o* z$ i" Z' G8. Trains run on specially built railway tracks. Some train below ground.) }# K3 V& N& \8 S
/ b7 r5 u6 |% }! ?1 h' G9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people.
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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. 3 B2 X' g3 |1 T' }: w! w7 D
6 b+ X+ B8 B0 a% G3 J11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. 8 i& q% |$ b; k3 Z3 _( A* E
! T9 @) r' u- O8 A1 f c12. Some people find it difficult to walk. What machine can help them?
' Q; g) R$ P, `1 [1 y8 A9 M7 ` jAnswer: wheelchairs. |
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狗仔卡
发表于 2005-7-18 14:43
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