105- The passage doesn’t make it clear-cut whether or not ............. .
A) the Celts suffered from many and varied ailments
B) herbal medicine was commonly applied
C) priests or local wise women were the medical specialists
D) Celtic people held belief in supernatural power
E) the Celts had ever been affected by dental disease
Ecologists have recently discovered dozens of infectious wildlife diseases that pose a significant
threat to the conservation of global biodiversity and the health of an expanding human population.
For example, a newly discovered fungal disease has been linked to the drastic decline and possible
extinction of amphibians in the rain forests of Central America and Australia. Other diseases have led
to the extinction of African wild dog populations and blindness of kangaroos in Australia. Since
wildlife can act as a natural reservoir for diseases that are extremely virulent among humans, such as
influenza and West Nile virus, as the human population expands into wildlife habitat, the conditions
ripen for a new disease to emerge. Emerging infectious diseases of wildlife are caused by the
spillover of pathogens from domestic animals to wildlife populations, the transport of domestic and
wildlife species around the globe, and even climate change in pristine wilderness areas.
106- Among the reasons of the emergence of infectious diseases, one not mentioned in the
Do'stlaringiz bilan baham: |