Unit 22 Multiple Choice — Coronavirus COVID-19

DEMO MODE:

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INSTRUCTIONS:

INSTRUCTIONS: Select the best definition (or usage) of the key term (or phrase) below.

noun (thing)

Question 1 of 20

SARS or Severe Acute Respiratory Syndrome

Bodily resistance to infection and toxins.

A viral respiratory disease of zoonotic origin which first occurred in 2002 in China and killed over 750 people.

Relieve symptoms of a disease or illness.

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