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ON THE MOVE
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1. People can travel on foot. But it takes a long time to get form place to place.8 z5 }& ^3 K0 [, Z+ q
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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.' [9 @) `" Z @6 X# h& V- R
' \5 u/ j+ a& |. k" \1 n# i4. 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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% @. [; B5 ^4 o1 P; H8 H. H5. 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.+ @7 K" B( K* ~9 ^% ~5 b5 D: Q6 l
" ]3 V; N) X( q- S7 J6 [$ o6. When lot of people want to go to the same place, they travel together on bus or coach. They can even travel by streetcar.# V* H/ m Q# F ^" I
1 j. b1 p, L0 J) e7. 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 T# w+ r/ J# Y8. 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. 4 K; j4 n2 R i
( A* v0 R& q$ X8 @; F10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine.
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2 v; i. n) A+ A% N% k2 o11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. {2 r5 _' N k9 J3 V& r
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12. Some people find it difficult to walk. What machine can help them?/ B/ U, g* X' S: Z. r3 M( h8 U9 M
Answer: wheelchairs. |
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