[单项选择]
Influenza (流感)
Influenza has been with us a long time. According to some Greek writers
(51) medical history,the outbreak of 41 2 B. C. was of influenz
- a. The same has been suggested of the sickness (52) swept through the Greek army attacking Syracuse in 395B.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
A. on
B. by
C. to
D. with
