Teen sleep problem raises concerns in the United States

Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. persistent /per-SIS-tuhnt/ [adjective] – lasting for a long time or difficult to get rid of The student had a persistent cough that lasted all week. impaired /im-PAIRD/ [adjective] – damaged or not functioning normally His hearing is impaired, so he uses a hearing aid. emphasize /EM-fuh-sahyz/ [verb] – to show that something is very important or worth giving attention to Teachers emphasize the need for daily practice. consequence /KON-si-kwens/ [noun] – a result of a particular action or situation, often one that is bad or not convenient One consequence of heavy rain is flooding. intervention /in-ter-VEN-shuhn/…
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