COVID-19 is an infectious respiratory illness caused by a newly discovered coronavirus called SARS-CoV-2. CO'stands (26).....corona, Vl'for virus, and 'D'for disease.
Many COVID-19 symptoms are similar to those of the flu, the common cold and other conditions, so a test is required to confirm if someone has COVID-19. Symptoms may (27)....2 to 14 days after exposure to the virus and can range from very mild to severe illness. Some people (28)...... have been infected don't have any symptoms.The most common symptoms are fever, cough, and tiredness. Other symptoms can include shortness of breath, chest pain or pressure, muscle or body aches, headache, (29)....of taste or smell, confusion, sore throat, congestion or runny nose, diarrhea, nausea and vomiting, abdominal pain, and skin rashes. In addition to these symptoms, infants may have difficulty feeding
Children of any(30)...can become ill with COVID-19. While children illness than adults. and adults experience similar symptoms, children generally have less serious illness than adults.
26. A. with B. for C. on D. into
27. A. grow B. observe C. look D. appear
28. A. who B. which C. whom D. where
29. A. death B. pain C. loss D. danger
30. A. height B. form C. grade D. age
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26, B ( for ) , 27. D ( appear ) , 28. A ( who ) , 29. C ( loss) , 30, D age