 鲜花( 0)  鸡蛋( 0)
|
ON THE MOVE2 ^; m5 R& X9 Y6 @5 g# [$ I/ k$ S
: n3 E9 ]9 P2 e2 p* p, ]4 x1. People can travel on foot. But it takes a long time to get form place to place.
5 s# H0 V) N/ Q! T4 s/ M- u' |* H) n9 r$ y9 _1 f8 |; W# \
2. Machines help people travel more quickly and carry heavy loads
4 S) A/ k) K0 u* U' b6 C k! F; N2 l6 ]3 d( G$ V# L# i) V, C
3. A bicycle is machine. The faster you pedal, the faster you move.
. O! D; x: K- Y# h# A2 }7 p/ y' _, W9 J
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? y$ h$ q$ S1 e" d- d
" a& ~5 W0 ^: U+ i, M. a1 l2 h$ @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.
V2 B% N' x6 W( A4 z2 u( d
- u3 I$ Z* r4 z) g5 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./ l, f1 N* o4 G% a7 J; ?! p! a
2 \7 B: H3 K2 r( I/ s( B& W
7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.
5 g; y2 m( X" P# i) d- G; a0 _: T2 j4 _
8. Trains run on specially built railway tracks. Some train below ground.
. p; n, x# u3 v; @2 g9 w# e" d% |/ T _) @) d5 j$ u: m' R
9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. & p3 }/ j7 ?/ j6 j! K/ N9 m
, B T2 Y) P3 @1 D+ U3 A1 i
10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine.
: _3 y+ M! u# ^4 G
6 q7 u" ]8 Z0 B$ s) p9 ?11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth.
9 Y) Y+ k+ ?+ D$ N2 f0 ?% L4 p v+ F7 T7 l1 j) J5 W: e/ u5 V$ m
12. Some people find it difficult to walk. What machine can help them?
# |7 N- D1 j' C* ?6 v9 m2 W* [Answer: wheelchairs. |
|
狗仔卡
发表于 2005-7-18 14:43
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
楼主
