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解析:Scientists around the worl

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【单选题】

Scientists around the world are racing to learn how to rapidly diagnose, treat and stop the spread of a new, deadly disease. SARS — SevereAcute Respiratory Syndrome — was{{U}} (1) {{/U}}for the first time in February 2003 in Hanoi,{{U}} (2) {{/U}}since then has infected more than 1,600 people in 15 countries, killing 63.At this{{U}} (3) {{/U}}, there are more questions than answers surrounding the disease.
Symptoms start{{U}} (4) {{/U}}a fever over 100.4 degrees F, chills, headache or body{{U}} (5) {{/U}}. Within a week, the patient has a dry cough, which might{{U}} (6) {{/U}}to shortness of breath. In 10% to 200% of cases, patients require{{U}} (7) {{/U}}ventilation to breathe.About 3.5% die from the disease. Symptoms{{U}} (8) {{/U}}begin in two to seven days, but some reports suggest it{{U}} (9) {{/U}}take as long as 10 days. Scientists are close to{{U}} (10) {{/U}}a lab test to diagnose SARS. In the meantime, it is diagnosed by its symptoms. There is no evidence{{U}} (11) {{/U}}antibiotics or anti-viral medicines help,{{U}} (12) {{/U}}doctors can offer only supportive care. Patients with SARS are kept in isolation to reduce the risk of{{U}} (13) {{/U}}. Scientists aren’t sure yet, but some researchers think it’s a{{U}} (14) {{/U}}discovered coronavirus, the family of viruses that cause some common colds.
Most cases appear to have been passed{{U}} (15) {{/U}}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{{U}} (16) {{/U}}the illness.But recent developments in Hong Kong suggest that the{{U}} (17) {{/U}}might spread through air, or that the virus might{{U}} (18) {{/U}}for two to three hours on doorknobs or other{{U}} (19) {{/U}}Health experts say it is{{U}} (20) {{/U}}, though, that sharing an elevator briefly with an infected person would be enough to pass the virus.
A.lately
B.newborn
C.newly
D.renewed

网考网参考答案:C
网考网解析:

[解析] 语义衔接题。联系全文可知,SARS是一种新发现的病毒。[A]lately和[C]newly虽然都表示“新的,最近的”,但是newly要比lately表示的时间更接近。因此,[C]newly为本题答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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