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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
admin
2014-06-13
24
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【1】for the first time in February 2003 in Hanoi,【2】since then has infected more than 1,600 people in 15 countries, killing 63. At this【3】, there are more questions than answers surrounding the disease.
Symptoms start【4】a fever over 100.4 degrees F, chills, headache or body【5】. Within a week, the patient has a dry cough, which might【6】to shortness of breath. In 10% to 200% of cases, patients require【7】ventilation to breathe. About 3.5% die from the disease. Symptoms【8】begin in two to seven days, but some reports suggest it【9】take as long as 10 days. Scientists are close to【10】a lab test to diagnose SARS. In the meantime, it is diagnosed by its symptoms. There is no evidence【11】antibiotics or anti-viral medicines help,【12】doctors can offer only supportive care. Patients with SARS are kept in isolation to reduce the risk of【13】. Scientists aren’t sure yet, but some researchers think it’s a【14】discovered coronavirus, the family of viruses that cause some common colds.
Most cases appear to have been passed【15】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【16】the illness. But recent developments in Hong Kong suggest that the【17】might spread through air, or that the virus might【18】for two to three hours on doorknobs or other【19】Health experts say it is【20】, though, that sharing an elevator briefly with an infected person would be enough to pass the virus.
选项
A、so
B、but
C、still
D、yet
答案
A
解析
逻辑衔接题。由前文的no evidence...help和后面的only可知,前后之间是因果关系。因为药物不能起到帮助作用,所以医生只能提供一些护理。表示因果关系的词只有[A]so。
转载请注明原文地址:https://kaotiyun.com/show/jkO4777K
0
考研英语一
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