Hundreds of years ago, life was much harder than it is today. People didn’t have

Hundreds of years ago, life was much harderthan it is today. People didn’t have modern machines. There was no modernmedicine, either.

Life today has brought new problems. One ofthe biggest is pollution. Water pollution has made our rivers and lakes dirty.It kills our fish and pollutes our drinking water. Noise pollution makes ustalk louder and become angry more easily. Air    pollution isthe most serious kind of pollution. It’s bad to all living things in the world.

Cars, planes and factories all pollute ourair every day. Sometimes the polluted air is so thick that it is like a quiltover a city. This kind of quilt is called smog.

Many countries are making rules to flightpollution. Factories must now clean their water before it is thrown away, andthey mustn’t blow dirty smoke into the air.

We need to do many other things. We can putwaste things in the dustbin and do not throw them on the ground, there will beless pollution.

Rules are not enough. Every person musthelp to fight pollution.

1.Hundreds of years ago, life was muchharder than it is today because ______.

2.What is the biggest problem in today’slife?

3.The most serious kind of pollution is______.

4.Factories must clean their water ______.

5.From the passage we know that ______.

试题答案

【答案】

1.C

2.D

3.B

4.D

5.D

【解析】文章介绍了污染问题。

1.C 细节题。根据第一段life was much harder than it is today. People didn’t have modernmachines. There was no modern medicine, either.可知C正确。

2.D 细节题。根据文章第二段One of the biggest is pollution。可知D正确。

3.B 细节题。根据第二段第3行Air   pollution is the most serious kind of pollution.可知B正确。

4.Ｄ细节题。根据文章第四段Factories must now clean their water before it is thrown away可知Ｄ正确。

5.D 细节题。根据文章第四段Many countries are making rules to flight pollution.可知D正确。