单项选择题
A. Their food consumption decrease. B. Their children are being withdrawn from school. C. The lost their jobs. D. They have no interest in consumption.
A. The spread of the N1H1 flu caused WHO to declare the first flu pandemic in more than 40 years. B. WHO raised the pandemtc flu alert to the highest level. C. The disease appears to increase very quickly. D. WHO urges all countries to start pandemic-prevention plans.