共用题干 Pandemic(大面积流行的)H1N1 2009The most active areas of pandemic influenza transmission currently are in central and eastern Europe. Focal(集中的)increases in rates during recent weeks were _________( 5 1 ) in at least two eastern Europeancountries. A high intensity of respiratory(呼吸的)disease activity with concurrent(同时存在的)circulation of pandemic influenza still_________(52)in parts of southern and eastern Europe,_________(53)in Greece, Poland,and Ukraine.In Western Europe,influenza transmission remains_________(54)and widespread,but overall disease activity has peaked. All influenza viruses in Western Europe were pandemic H1N1 2009._________(55),very small numbers of seasonal influenza viruses covering less than 1%of all influenza viruses found,were reported in Russia. In_________(56),limited available data indicate that active,high intensity transmission is occurring in Northern African countries_________(57)the Mediterranean coast.In Central Asia,limited data_________(58)that influenza virus circulation remains active,but transmis-sion may have recently peaked in some places.In West Asia,Israel,Iran,and Iraq also appear to have passed their_________(59)period of transmission within the past month though both areas continue to have some active transmission and levels of respiratory disease activity have not yet_________(60)to baseline levels.In East Asia,influenza transmission remains active but appears to be_________(61)overall. Slight increases in ILI were reported in Mongolia after weeks of declining activity following a large peak of activity_________(62)one month ago.In North America,influenza transmission_________(63)widespread but has declined quickly in all countries.In the tropical regions of Central and South America and the Caribbean,influenza transmission re- mains geographically widespread but overall disease_________(64)has been declining or remains unchanged in most parts,_________(65)for focal increases in respiratory disease activity in a few countries. _________(51)
A.reported B.expected C.marked D.caused正确答案A
