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ON THE MOVE; I+ P. F6 i% }; [8 |
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1. People can travel on foot. But it takes a long time to get form place to place.' u' ], K1 l$ s! m3 }8 Q0 U6 }
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2. Machines help people travel more quickly and carry heavy loads
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: A' D: }% Z% K+ e' Y3. A bicycle is machine. The faster you pedal, the faster you move.$ e, [; P2 @; _' @ n
% i- {* [# k8 h0 Q+ f; g4. You do not need to pedal a motorcycle. It was an engine that makes wheel go around. Why it this person wearing a helmet?/ q0 ]. {$ \% d% K( A6 @, c- x6 l
$ U1 ^# c X& V; ~5. 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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. M3 Q, \1 C: V4 E: s6 C1 S6. 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.2 x7 {6 Q9 @( z, B% S2 c
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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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1 }/ T3 I3 t: o1 g2 V, e10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. : q4 K% f: y8 A3 n8 }9 k: M# K. Y$ Q
# S, h- n0 R3 s% G# i11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. - F q5 [1 t* B, j5 g! y7 N
0 v l0 Z8 }% `. s/ b' P1 S- V12. Some people find it difficult to walk. What machine can help them?$ p5 s( X- z0 r0 o+ N5 S5 ^
Answer: wheelchairs. |
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