 鲜花( 0)  鸡蛋( 0)
|
ON THE MOVE
7 r+ v; g7 f$ l5 ?. B/ A $ G5 b' \. ?) D0 N5 I1 M
1. People can travel on foot. But it takes a long time to get form place to place.2 F/ l1 Q( o) {, a+ B4 G4 ^
+ N# i" ^4 d- H8 h' J7 [
2. Machines help people travel more quickly and carry heavy loads' L* m' p9 f/ W% i
" e( Y3 e/ q7 m( C' {6 a! e' j
3. A bicycle is machine. The faster you pedal, the faster you move.9 ?( H/ J% i: u. c5 s
+ ?& T1 `" W: C+ w5 }: [- ^
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?
. B' M5 I. `, h7 Q2 T1 z8 m0 h2 O0 \7 X2 F
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.1 i M7 N; M# z- i& y! y) R
$ l+ V: v, c% M; P8 k6. When lot of people want to go to the same place, they travel together on bus or coach. They can even travel by streetcar.
6 M1 U, @6 V: x, P: |" b# U, J, U* c6 R* f( m
7. Cars, buses and coaches, vans and trucks all use roads. They give off fumes that pollute the air we breathe.
( T9 Z; Z* y' W5 C% O1 \6 v, p: B# T
% D# B) u7 p$ z/ m- Q- I; ?2 S8. Trains run on specially built railway tracks. Some train below ground.9 b/ s1 `, N- i! i1 h
4 D. v5 J$ _( K5 w0 q- u
9. Sometimes we need to travel across water. Ferry boats have space for trucks, coaches, cars, and people. 9 ~9 @$ W! ?% \6 k \5 a( D
% O) c, p& a# f1 \ j) k10. Airplanes are machines that fly. A jumbo jet can carry more than 300 passengers a helicopter is also a flying machine.
+ r/ U9 b" R. P' d1 b7 r9 P" h! Z. R. B) D
11. The rocket and the space shuttle are also machines. The space shuttle carries astronauts into space and brings them safely back to earth.
1 h& \! P3 l5 X7 Z/ i- L3 B+ [& B9 F9 S. d! z! [
12. Some people find it difficult to walk. What machine can help them?6 y5 n* G0 F" T6 c+ D
Answer: wheelchairs. |
|