According to the news item, the potential treatment for sleeping sickness [origi

游客2023-12-10  20

问题 According to the news item, the potential treatment for sleeping sickness
Scientists say they have identified a potential treatment for sleeping sickness, a killer disease that infects about 60,000 people in Africa a year. British and Canadian experts say drugs could attack an enzyme — the parasite causing the illness needs to survive. They say the orally-administered drug could be ready for human clinical trials in about 18 months. The disease, spread by the bite of a tsetse fly, is caused by a parasite attacking the central nervous system. It has similar symptoms to malaria, making it difficult to diagnose. Left untreated, it moves to the spinal column and brain, resulting in mental confusion and eventual death.

选项 A、was identified by British experts.
B、has been put into service for 18 months.
C、has not fully been developed so far.
D、is taken by injection.

答案 C

解析
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