 鲜花( 0)  鸡蛋( 0)
|
ON THE MOVE) B, z' J# S8 q
+ T! ?2 g- R+ U' C) `4 _1. People can travel on foot. But it takes a long time to get form place to place.4 v! F* r k% j f
- p- ~& x/ Z% f2. Machines help people travel more quickly and carry heavy loads
; I$ I$ R9 s( M4 A% w b, ^ G ~( v1 B R
3. A bicycle is machine. The faster you pedal, the faster you move.
) @" T+ y- m- w2 m7 Y) S& p K4 t" E- F! l! N; E
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?. F0 W) |& f. y4 b! N
- }; k- N9 U+ z( j8 {( d# `$ R5. 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.
2 I) ]' }, b+ E. C8 t. Q! Q. c& V8 w0 |& r; v
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.2 [ _1 q0 @# h% d
! F) _. |5 S# |7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.
! Y% k6 T. Z \" S0 }$ k+ E
* A' l# X2 V' B3 F. P8. Trains run on specially built railway tracks. Some train below ground.) m/ e7 Y5 G+ ~( H n" f+ `( L
6 u9 p- i4 N( A' f9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. 8 g) |4 {0 d1 b5 |4 x
" F+ b8 e( L9 }5 {$ x' ^1 a" I
10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine.
* p8 z- E, {3 v S q4 C& _' X
5 e& O" p0 Y) V1 d$ K11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth. / ?% b) g8 Q# G
/ j: }0 d! \: u* T12. Some people find it difficult to walk. What machine can help them?
' c) @6 C2 e( B" e& y4 {Answer: wheelchairs. |
|