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通用版2021届高考二轮专题练习五改错专项(英语)
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  • 资源类别试题
    资源子类二轮复习
  • 教材版本不限
    所属学科高中英语
  • 适用年级高三年级
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  • 更新时间2020/10/16 16:12:00
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A

How does the disease present? Well, from what is known so far, there can be the number of symptoms range from mild to severe. There can be fever and respiratory symptoms such as cough and short of breath. In more severe case, there’s been pneumonia (肺炎), kidney failure (肾衰竭), and death. The mortality rate (死亡率) was not known yet.

How can we tell if someone is infected or not? The infection can be diagnosed (诊断) by a test calling PCR or Polymerase Chain Reaction (聚合酶链反应). This test identifies the virus basing on its genetic fingerprint. There is current no specific medication for the virus and treatment is supportive care. There’s no vaccine (疫苗) to protect the virus. Treatment and vaccines are in development.

 

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