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  3. Scientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SAR

Scientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SAR

admin2012-06-02  106
问题     Scientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SARS — Severe Acute Respiratory Syndrome — was【C1】______for the first time in February 2003 in Hanoi, 【C2】______since then has infected more than 1, 600 people in 15 countries, killing 63. At this【C3】______there are more questions than answers surrounding the disease.
    Symptoms start【C4】______a fever over 100. 4 degrees F, chills, headache or body【C5】______Within a week, the patient has a dry cough, which might【C6】______to shortness of breath. In 10% to 20% of cases, patients require【C7】______ventilation to breathe. About 3.5% die from the disease. Symptoms【C8】______begin in two to seven days, but some reports suggest it【C9】______take as long as 10 days. Scientists are close to【C10】______a lab test to diagnose SARS. In the meantime, it is diagnosed by its symptoms. There is no evidence【C11】______antibiotics or anti-viral medicines help, 【C12】______doctors can offer only supportive care. Patients with SARS are kept in isolation to reduce the risk of【C13】______Scientists aren’t sure yet, but some researchers think it’s a【C14】______discovered corona-virus, the family of viruses that cause some common colds.
    Most cases appear to have been passed【C15】______droplets expelled when infected patients cough or sneeze. Family members of infected people and medical workers who care for them have been most likely to【C16】______the illness. But recent developments in Hong Kong suggest that the【C17】______might spread through air, or that the virus might【C18】______for two to three hours on doorknobs or other【C19】______Health experts say it is【C20】______, though, that sharing an elevator briefly with an infected person would be enough to pass the virus.
【C10】
选项 A、cultivating
B、fostering
C、developing
D、designing
答案C
解析 语义衔接题。根据a lab test to diagnose SARS可知，科学家们是想出了一种来诊断SARS的实验室测试。由文义可知，SARS是一种突发病，所以之前不可能有诊断SARS的实验，所以[A]cultivating"精心培育"和[B]fostering“培养”都不可能，因为只有在原来已存在的基础上，才可能再去培育或培养。那么，只有[C]developing“发展，制定”最符合文意。[D]designing虽然有“设计，制定”之意，但是多表示对工业品或图案的设计。因此答案为[C]。
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