You need professional help if you have symptoms of the flu for two weeks.
查看答案
Severe symptoms are usually seen among children.
A. 对
B. 错
High risk group during flu season include the elderly, pregnant women, young children and people with poor health.
A. 对
B. 错
Doctors and nurses are immune when taking care of the patients infected with influenza.
A. 对
B. 错
属于抗过敏平喘药的是( )
A. 氨茶碱
B. 异丙肾上腺素
C. 麻黄碱
D. 色甘酸钠
E. 肾上腺素
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