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 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.
【正确答案】
A
【答案解析】[解析] 文中“According to some Greek writers”(根据一些希腊作家)和“medical history(医学历史)”!很明显应选A项on关于……，论述……。B项by通过；C项to(方向，程度、范围)到和D项with带有，均不符合要求。
【答案解析】[解析] 文中“people living in(生活的人们)”和“comditions(状况)”来看可以发现，people(living)in crowded coneditions经常使用，意思是：“拥挤(群聚)的人群”，很明显应选D项crowded拥挤的，挤满人的。A项Iocal当地的；B项good好的和C项rich富有的，都不合适。
【正确答案】
C
【答案解析】[解析] 根据文中“the nineteellth century there were fivc…influenza(19世纪5次……大流感)，”很明显应选C项During在……期间。A项since自从；B项Among在多个当中和D项For表示时间长度，均不符合要求。
【正确答案】
D
【答案解析】[解析] 结合文中“The last of the five(5次中的最后1次)”和“in 1889”，很明显应选D项happened发生。A项changed改变；B项stopped停止和C项suffered遭受，都不合要求。
【正确答案】
B
【答案解析】[解析] 文中“——the recent outbreak，it started in Asia．(——最近一次大爆发，它始于亚洲。)”，很明显应选B项Like像。A项As(同…)一样，同样；作为；C项Along沿着和D项Before在…之前，均合要求。
【正确答案】
B
【答案解析】[解析] 文中“…influenza had steadily(……流感正稳步)”和”…10 be dying out(……正在消失)”，很明显(在消失之前)应选B项decreased下降。A项increased增加；C项interrupted中断和D项kept保持，均不合要求。
【正确答案】
D
【答案解析】[解析] 文中“A new group of outbreaks was(新一轮疫情爆发)”和“by the treat outbreak of 1889—1890(1889—1890年的大爆发)”，很明显应选D项introduced引起。A项controlled控制；B项prevented预防和C项reported报道，均不符合要求。
【答案解析】[解析] 文中“which(关系代词，指代第2次大流感，作主语)”和“to be a killer(是一个真正的杀手)”，很明显应选B项proved证实。A项ceased终止；C项wanted想要和D项failed失败，均不符合要求。
【正确答案】
A
【答案解析】[解析] 文中“through every country in the world”可提示我们go through是一个固定搭配，意思是：“通过，经过；经历，遭受”，很明显应选A项went通过，经过。B项got得到；C项put放和D项looked看，均不符合要求。
【正确答案】
B
【答案解析】[解析] 文中“…only a few distant islands…remaining(……只有……几个遥远的小岛依然)”，很明显选B项untouched没有碰到。A项uncounted没有数过的；C项unused未用过的和unchanged没有变化的，均不符合要求。
【正确答案】
B
【答案解析】[解析] 文中“…the life…stop food(……生活……中断，食品)”和右边：“stopped and work loss(中断和失业严重)”，很明显应选B项supplies供应。A项sources资源；C项shortage短缺和D项purchases购买，均不符合要求。
【正确答案】
C
【答案解析】[解析] 文中“…killed at(死亡)”和右边：“15 million people(1，500万人)”，很明显应选C项(at)least至少。A项(at)last最后；B项(at)most至多和D项(at)all全然；究竟，均不符合要求。
【正确答案】
C
【答案解析】[解析] 文中“It is thus that…．”It是形式主语，由that引出的从句作实际主语。在从句中，influenza(流感)，a terrible infection(可怕的传染病)，pay more attention(更加注意)。参照4个选项：A．strange奇怪；B．impossible不可能；C．clear显而易见；D．wise聪明，很明显应选C项。