Scientists have identified old age, showing signs of sepsis and having blood clotting issues when admitted in hospital as risk

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问题     Scientists have identified old age,  showing signs of sepsis and having blood clotting issues when admitted in hospital as risk factors associated with higher risk of death from coronavirus (COVID-19).
    A new observational study of 191 patients confirmed that being an older person,  having a high Sequential Organ Failure Assessment (SOFA) score, and having d-dimer greater than 1μg/L could help clinicians to【C1】________patients with poor prognosis at an early stage.
    The new study is the first time researchers have【C2】________risk factors associated with severe disease and death in hospitalised adults, 【C3】________have either died or been【C4】________      from hospitals.  It explained that【C5】________191 patients, 137 were discharged, 【C6】________54 died in hospital even as the authors noted that【C7】________of their findings might be limited by the study’s sample size.
    Also, the authors【C8】________new data on viral shedding, which【C9】________that the median duration of viral shedding was 20 days in survivors (【C10】________from eight to 37 days) and that the virus was detectable【C11】________death in the 54 non-survivors.
    【C12】________the International Federation of the Red Cross ( IFRC ) , United Nations Children Fund (UNICEF)and the World Health Organization (WHO) , yesterday【C13】________new guidance to help protect children and schools【C14】________transmission of the COVID-19 virus.
    The guidance provides【C15】________considerations and practical checklists to keep schools safe and also advised national and local authorities to adapt and【C16】________emergency plans for educational【C17】________.
    Published by the WHO, the guidance stated that【C18】________school closures,   it  should  include recommendations to【C19】________possible negative impacts on children’s learning and【C20】________.
【C10】

选项 A、going
B、arranging
C、ranging
D、predicating

答案C

解析 固定搭配/短语辨析题。range from…to为固定搭配,意为“在一定幅度或范围内波动”。此外,前一句提到平均时间为20天,括号内信息正是对前一句的解释,故正确答案为[C]。[A]going,go from...to...多用于两种情况的变化,[B]arranging“安排”,[D]predicating“预测”均不符合语境。
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