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ON THE MOVE9 ]% c6 {7 T$ d- `0 J/ ]( |
+ V% A% d9 W" _+ b- q& a$ @' L1. People can travel on foot. But it takes a long time to get form place to place.. n/ n( h! _( r1 {1 n/ z f
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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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7 e3 {( H' c" R7 Q' R4. You do not need to pedal a motorcycle. It was an engine that makes wheel go around. Why it this person wearing a helmet?+ F8 T& V# c( ? y
. K1 T- f6 r1 s7 M$ r3 Y5. 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.8 Y- H2 b% P+ ~& V+ \; C
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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.( o- |4 F5 N6 i4 z" L( u
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8. Trains run on specially built railway tracks. Some train below ground.
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8 D. t0 ~: N6 Z4 @9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. , ?* ?* z# U5 N
) V1 u* T9 U+ p10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine. 6 D u7 B5 e! {& ^2 W, u
; p8 P8 p" M9 I# Q- A11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. 2 D4 M6 E( b# l% g6 U
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12. Some people find it difficult to walk. What machine can help them?
" L, \$ A- U- B" @Answer: wheelchairs. |
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发表于 2005-7-18 14:43
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