Influenza (流感) Influenza has been with us a long time. According to some Gr...

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问题 Influenza (流感) Influenza has been with us a long time. According to some Greek writers ___ (51) medical history，the outbreak of 412 B.C. was of influenza. The same has been suggested of the sickness _____ (52) swept throughtheGreekarmyattackingSyracusein 395 B.C. Influenza is a disease that moves most quickly among people living in _______ (53)conditions，hence，it is likely to attack armies. _____ (54) the nineteenth century there were five widespread outbreaks of influenza. The last of the five _______ (55) in 1889 and marked the beginning of the story of influenza in our time. _______ (56) the recent outbreak，it started in Asia. For more than forty years before that outbreak，influenza had steadily ___ (57) and was believed to be dying out. A new group of outbreaks was _______ (58) by the great outbreak of 1889—1890 and for the next quarter of a century influenza remained a constant threat, In April 1918 influenza broke out among American troops stationed in France. It quickly spread through all the _______ (59) but caused relatively few deaths. Four months later，however，a second outbreak started which _______ (60) to be a killer.It killed not only the old and already sick but also healthy young adults. It ____ (61) through every country in the world，only a few distant islands in the South Atlantic and the Pacific remaining_____ (62) . It brought the life of whole countries to stop, food _______ (63) stopped and work loss was very great. Before the great outbreak ended，it had killed at _____ (64) 15 million people. Thereafter，there have been several great outbreaks throughout the world. It is thus _____ (65) that influenza is a terrible infection that we have to pay more attention to.

选项 A ceased B wanted C proved D failed

答案 C

解析本空白处前面的however和后面的killed not only... but also...起着很好的提示作用，提示答题者必须选择proved.

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Influenza (流感) Influenza has been with us a long time. According to some Gr...

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