Test # 9
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500 questions in 50 tests. Each test contains 10 questions.
Idiom of the Day
out of necessity
because of necessity, due to need
The library will close on Saturdays out of necessity. It has no money.
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Precautions while using Earphones
Do speech and music affect hearing
Many people find it difficult to believe that listening to music can be a hazard to hearing. But theres little evidence that loud music, however harmonious, is actually safer than unpleasant noise that would measure the same on a sound level meter. Even those who argue that music is safer than other noises would agree that if it is loud enough, and repeated often enough, music can damage hearing.