第5部分：补全短文（第46～50题，每题2分，共10分）
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Pandemic H1N1 2009
The most active areas of pandemic influenza transmission currently are in central and eastern European countries．A high intensity of respiratory diseases activity___1____concurrent circulation of pandemic influenza still____2_____
parts of southern and eastern Europe，____3____in Greece，Poland，and Ukraine．
In Western Europe，influenza____4____remains active and widespread，but overall disease activity has peaked．All influenza viruses in Western Europe were pandemic H1Nl 2009，however，very small____ 5____of seasonal influenza viruses，covering less than l％of all influenza viruses_______6______，were reported in Russia．____7____，limited available data indicate that active，high intensity transmission is occurring in Northern African countries____8____ the Mediterranean coast．
In Central Asia．1imited data____9____that influenza virus circulation remains active , but transmission may have recently peaked in some places．In West Asia，Israel，Iran，and Iraq also appear ____l0____ their peak period of transmission within the past month，though ____ll____ areas continue to have some active transmission and levels of respiratory disease activity have not yet returned to baseline levels．In East Asia，influenza transmission remains active but appears to be
____12____0verall．____13____increases in ILI were reported in Mongolia after weeks of declining activity following a large peak of activity over one month ago．
In North America，influenza transmission____14____widespread but has declined quickly in all countries．In the tropical regions of Central and South America and the Caribbean，influenza transmission remains geographically widespread but overall disease activity has been declining or remains unchanged in most parts, ____15____focal increases in respiratory disease activity in a few countries．
