MANY RURAL AREAS IN VIET NAM HAVE BEEN (URBAN) ... .D. READING

2. Many rural areas in Viet Nam have been (urban) ... .

D. READING :

I.

Read the passage and fill in the missing words.(12pts)

caused, together, harm, coming, enter, accidental, pollutants

Pollution is any contamination of the environment which causes(1) ... to the

environment or the inhabitants of the environment. There are many kinds of pollution, and

there are many(2) ... . Some obvious kinds of pollution are pollution of the air,

soil and water. Some less obvious, or less salient, kinds of pollution are radioactive, noise,

light pollution and green - house gasses.

Air pollution can be (3) ... by particles, liquids, or gases that make the

air harmful to breath. There are two main types of air pollution: primary and secondary.

Primary pollutants (4) ... the air directly, like smoke from factories and car

exhaust. Secondary pollutants are chemicals that mixed (5) ... to pollute the

air, like mixtures of emissions, or waste output, from vehicles and factory smoke that change

to form more dangerous pollutants in the air and sunlight.

Soil pollution can be caused by pesticides, leakage from chemical tanks, oil spills and

other chemicals which get into the soil by dumping or (6) ... contamination.

Soil pollution can also cause water pollution when underground water becomes contaminated

by coming into contact with the polluted soil.

II. Answer the questions. (8pts)