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III. READING
A. Read and choose the word or phrase marked A, B, C or D that best fits each of the blank spaces.
**ENVIRONMENT POLLUTION**
Noise pollution (or environmental noise) is displeasing human or machine created (31) _____ that disrupts the (32) _____ or happiness of human or animal life. A common (33) _____ of noise pollution is from transportation, principally motor vehicles.

The source (34) _____ most noise worldwide is transportation systems, motor vehicle noise, but also (35) _____ aircraft noise and rail noise. Poor urban planning may give (36) _____ to noise pollution, since side-by-side industrial and (37) _____ buildings can result in noise pollution in the residential area.

Noise from (38) _____ vehicles has become a problem. They have increased in popularity and are joining the two-wheeled dirt motorcycles for off-road riding. The noise (39) _____ by these vehicles is particularly disturbing due to the wide variations in (40) _____ and volume.
31. A. noise
32. A. action
33. A. form
34. A. of
35. A. consisting
36. A. crease
37. A. resident
38. A. relaxed
39. A. produced
40. A. frequent