resource of the world are limited,

1．________

and many people in developed countries

2．________

spend too many money on lots of

3．________

unnecessary new clothes．This is waste

4．________

of energy and materials．Some people smoke cigarettes and drink lots of beers and

5．________

wine, even though they are warn not to

6．________

do so．They are used too much energy.

7．________

Something must be done stop the waste

8．________

of energy．At the same time, we should

9．________

make every effort to produce more energy of the wind and sun.

10．________

1．________

for a holiday and stayed with a farmer．Each day

2．________

he went out with his brushes and painted till evening,

3．________

and then, when it got in dark he went back to the

4．________

farm and had a good dinner before going to his bed.

5．________

At the end of his holiday, he wanted to pay for the

6．________

farmer, so the farmer said, “I just want one of your

7．________

picture．In a week, it will all be finished．But your

8．________

picture will still here. “The painter was very pleased

9．________

and thanked the farmer for say so kind things about

10．________

his paintings.

1．________

of knowing what is going around us．Sounds serve to

2．________

pleasure us in music．Sound has a waste product, too,

3．________

in the form of noise．Noise is growing and they may

4．________

get much more worse before it gets any better．Scientists,

5．________

for several years, have been studied how noise affects

6．________

people and animals, they are astonished by that they have

7．________

learned．Peace and quiet is becoming harder to find.

8．________

Noise pollution is no joke．It is a sign for danger that

9．________

should be looked carefully．It’s necessary for us to

10．________

reduce noise.