Better Control of TB Seen If a Faster Cure Is Found The World Health Organization estimates that about one-third of all peop

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问题             Better Control of TB Seen If a Faster Cure Is Found
    The World Health Organization estimates that about one-third of all people are infected with bacteria that cause tuberculosis . Most times, the infection remains inactive. But each year about eight million people develop active cases of TB, usually in their【C1】______Two million people die【C2】______it. The disease has【C3】______with the spread of AIDS and drug-resistant forms of tuberculosis.
    Current treatments take at least six months. People have to【C4】______a combination of several antibiotic drugs daily. But many people stop【C5】______they feel better. Doing that can【C6】______to an infection that resists treatment. Public health experts agree that a faster-acting cure for tuberculosis would be more effective. Now a study estimates just how【C7】______it might be. A professor of international health at Harvard University led the study. Joshua Salomon says a shorter treatment program would likely mean not just more patients【C8】______. It would also mean【C9】______infectious patients who can pass on their infection to others.
    The researchers developed a mathematical model to examine the effects of a two-month treatment plan. They【C10】______the model with current TB conditions in Southeast Asia. The scientists found that a two-month treatment could prevent about twenty percent of new cases. And it might【C11】______about twenty-five percent of TB deaths. The model shows that these【C12】______would take place between two thousand twelve and two thousand thirty. That is, if a faster cure is developed and in wide use by two thousand twelve.
    The World Health Organization【C13】______the DOTS program in nineteen ninety. DOTS is Directly Observed Treatment, Short-course. Health workers watch tuberculosis patients take their daily pills to make【C14】______they continue treatment.
    Earlier this year, an international partnership of organizations announced a plan to expand the DOTS program. The ten-year plan also aims to finance research【C15】______new TB drugs. The four most common drugs used now are more than forty years old. The Global Alliance for TB Drug Development says its long-term goal is a treatment that could work in as few as ten doses.  
【C11】

选项 A、bring about
B、contributed to
C、promote
D、prevent

答案D

解析 空白处的上一句实际上起到提示作用:“两个月的治疗方案可以防止大约20%的新病例”,后句自然应是“也可能防止大约20%的结核病死亡”。其他三个选项词义均相反。
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