完形填空在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给The World Health Organ

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完形填空
在短文的空格内填入适当的词,使其内容通顺,每空格限填一词,首字母已给
The World Health Organization（WHO世界卫生组织）said recently that the risk of a pandemic（全国性的流行病）caused by the A-H1N1 virus（甲型H1N1流感病毒）was still very h______ and there was still the possibility to raise the alert level to Phase 6 f______ the current Phase 5.Phase 6 means outbreaks have been found i______ two or more regions in the world and a pandemic is under way.
So far,a total of 985 A-H1N1 flu infections,including one case in China’s Hong Kong,have been confirmed in 20 c______ and the government has ordered a five-day holiday to stem（阻止）new infections.In the USA,more than 430 schools with confirmed cases had closed for at least 14 days.In China,the government has started a daily r______ on influenza A-H1N1,and is making stringent（严厉的）checks on people entering the country by air,land,and sea in an attempt to prevent the new flu from spreading t______ the country.
Some scientists said that they had found the first human,a four-year-old Mexican boy to,come down with the flu.To everyone’s surprise,he is recovering!Some b______ that he could hold the key to the source of the virus.

hight;from;in;countries;recheck;to;believe