G8 Unit 7 Communication

Noise is _______ .

A. any sound that makes you relaxed and peaceful

B. any sound that is loud and constant

C. any sound you hear in the street

• A

• B

• C

A unit used to measure the loudness of sounds is a decibel (dB). Noise pollution happens when a sound's loudness is __________.

A. more than 30 dBs

B. more than 50 dBs

C. more than 70 dBs

• A

• B

• C

Which of the following noises can cause permanent hearing loss after eight hours?

A. Motorcycle

B. Ocean wave

C. Whistling

• A

• B

• C

Which of the following noises can cause immediate and permanent hearing loss?

A. Motorcycle

B. Concert

C. Vacuum cleaner

• A

• B

• C

If you experience noise pollution for a long time, you can have and hearing loss.

A. headaches

B. high blood pressure

C. both A and B

• A

• B

• C

If you are listening to music and other people can hear the sounds from your headphones, what does it mean?

A. The sounds are too loud.

B. You like the music a lot.

C. Other people don't like the music.

• A

• B

• C

What is a symptom showing that noise is affecting you?

A. There seems to be a ringing or buzzing in your ears.

B. You jump up and down.

C. You fall asleep as soon as you lie down in bed.

• A

• B

• C

Which of the following ways can reduce the effects of noise pollution?

A. Wearing earplugs when you go to concerts or other loud events

B. Listening to music through headphones or headsets at safe levels

C. Both A and B.

• A

• B

• C