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ON THE MOVE' [ @( ]) X" A& A' ]
" {" ~- q5 z+ j4 s9 D) y1. 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.
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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?0 [ I1 c& }- O J; y# e T; T/ ~4 H
4 r: n$ H9 Q' h1 g) f- G0 O- 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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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., f& ~1 X$ o' g: O
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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., D' f* ]" z# @/ J& V' } Y l8 j
8 i7 i0 V& r9 w% |8 e* v9 R$ V8. Trains run on specially built railway tracks. Some train below ground./ { q0 ?& m$ u; }& d; d, K5 U
, K1 o9 b" o2 k, m3 w; a& i9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. * D+ |& ?- `+ @" n
" M7 [, _+ X2 f4 ~& K% \10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. 9 j( ~6 z1 C0 u# t P1 _3 \
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11. 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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2 f: A, B' D5 t# w8 J# x4 W" w# D% C12. Some people find it difficult to walk. What machine can help them?
6 f+ p1 K. f% p2 [) P+ b# @5 LAnswer: wheelchairs. |
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