Test 21:

Read the following paragraph and choose the best answer for the questions below :

AIR POLLUTION

What is air pollution ? It is dirty in the air . This is a big problem in some

parts of the world .

What causes air pollution ? People cause it by burning fuel in buses, cars,

factories, homes, schools, and trains . The smoke from burning fuel has poison

gases and dust . These enter the air and make it dirty .

Why is air pollution bad ? The dirty air hurts people . It helps to cause more

colds, coughs, and diseases of the heart and lungs . It also hurts plants and animals

and makes clothing and buildings dirty .

1 .

Dirt in the air is called ……………………………………………………

A .

disease

B .

pollution

C .

gases

2 .

Burning fuel comes from …………………………………………………

A .

dust

B .

coughs

C .

cars

3 .

Smoke carries ……………………………………………………………..

A .

poison colds

B .

poison gases

C .

poison plants

4 .

Dirty air is bad for the …………………………………………………….

A .

hands and feet

B .

arms and legs

C .

heart

and

lungs

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