第6部分：完形填空(第51～65題，每題1分，共15分)

下面的短文有15處空白，請根據短文內容為每處空白確定1個最佳選項。

Pandemic (大面積流行的) H1N1 2009

The 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 ______(51) in at least two eastern European countries. A high intensity of respiratory(呼吸道) diseases activity with concurrent(同時存在的) 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) active 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 transmission 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 remains 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 expected B reported C marked D caused

52. A plays B keeps C maintains D exists

53. A usually B particularly C exactly D completely

54. A inactive B active C faithful D unaffected

55. A yet B however C still D until

56. A fact B general C total D addition

57. A beside B at C along D around

58. A suggest B advise C propose D recommend

59. A brief B late C long D peak

60. A returned B led C brought D turned

61. A declining B rising C balancing D jumping

62. A above B from C over D since

63. A seems B expands C becomes D remains

64. A picture B performance C quality D activity

65. A except B as C all D and

（責任編輯：vstara）

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