এইচএসসি পরীক্ষার প্রস্তুতি

ইংরেজি ১ম পত্র

                                                                                                                                             4. Make a list of five things that cause sound pollution.

Answer:
1. a. decibel b. physics c. urban
d. regulated e. exceeds

2.
a. False;
Correct Answer: People in cities are exposed to sounds ranging from 30 to 90 decibels or even more.
b. False;
Correct Answer: Sound pollution damages our sense of hearing.
c. True.
d. True.
e. True

3. a. noisiest b. measuring c. developing d. living in e. sharpness of

4. A list of five things that cause sound pollution:
a. Vehicle horn b. Machines c. Urban population d. Primary school children e. Screaming child

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