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.
(1)
A.detected
B.caught
C.disclosed
D.revealed
Speech is (12)_____ to be affected by reductions in the (13)_____ of the vocal organs. The muscles of the chest (14), the lungs become less elastic, the ribs (15)_____ mobile: as a result, respiratory efficiency at age 75 is only about half (16)_____ at age 30, and this has (17)_____ for the ability to speak loudly, rhythmically, and with good tone In addition, speech is affected by poorer movement of the soft palate and changes in the facial skeleton, especially around the mouth and jaw. There are other, more general signs of age. Speech rate slows, and fluency may be more erratic. Hearing (18)_____, especially after the early fifties. Weakening (19)_____ of memory and attention may affect the ability to comprehend complex speech patterns. But it is (20)_____ all had news: vocabulary awareness may continue to grow, as may stylistic ability—skills in narration, for example. And grammatical ability seems to be little affected.
A.speech
B.terms
C.ways
D.cases