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ON THE MOVE) x& U( S/ g- Y' m# ]6 g
8 @8 L" c* H& u3 l% c0 Q1. People can travel on foot. But it takes a long time to get form place to place.3 T8 f; o3 I c) @
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2. Machines help people travel more quickly and carry heavy loads! y; U' o$ S5 `
4 A8 I. r& j; n# J3. A bicycle is machine. The faster you pedal, the faster you move.
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0 t9 R% I, u. y; `* U2 B4. 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 ^9 q3 U( |' D }# c
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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./ j3 o( B$ u4 q }3 w
9 O2 m3 \0 A2 N* H. Q5 d6. 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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- l' S. p7 o0 w! U x7. 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.6 Z( Z" }: ^& d0 M* W6 A. U1 N9 h
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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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3 X2 B9 R# w l0 L10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. 9 P% x9 V1 z8 x+ @8 f
+ G V* f4 s9 I: @/ C11. 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?
6 i& [/ i) m/ _Answer: wheelchairs. |
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