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Passage Three
文章三
Disaster movies often portray catastrophes that destroy, or at least threaten to destroy earth's entire population.
災難題材的電影通常描繪的是毀滅性的災難或者是威脅到地球人類生存的因素。
In fact, a virus emerged in the 1970s that could've been just that fatal.
其實，20世紀70年代出現的一種病毒可以說是一次致命的災難。
Named after a river that passes through the Congo, the Ebola virus originally manifested itself in the interior of Africa in 1976.
以一條流經剛果的河流而命名的埃博拉病毒，最初出現于1976年的非洲。
Two strains of the disease, with almost identical symptoms, affected humans- Ebola-Zaire and Ebola-Sudan.
埃博拉病毒中的埃博拉-扎伊爾型（EBO-Zaire）、埃博拉-蘇丹型（EBO-Sudan）是威脅人類健康的主要兩個亞型。
The Sudan version was deadly enough, killing 50% of those it infected.
蘇丹型的殺傷力驚人，被其感染的只有一半的存活率。
However, Zaire, with its 90% mortality rate, was even worse.
而扎伊爾型的死亡率高達90%%，甚至更高。
The origins, though not the cause of Ebola-Sudan, can be traced back to a single individual in a Sudanese town.
蘇丹埃博拉病毒最早是在蘇丹小鎮的一名工人身上發現的。
Ebola-Zaire seemed to erupt in over 50 villages simultaneously.
而扎伊爾埃博拉病毒同時爆發于河沿岸55個村莊。
Both strains quickly invaded local hospitals when needle sharing and other unhealthy practices ensured the rapid spreading of the infection by bringing people into contact with contaminated body fluids.
當地醫療機構不完善的醫療條件如共用注射針頭等，使感染者的體液迅速傳播，導致埃博拉病毒肆虐整間醫院。
If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center,
假如病毒可通過空氣傳播，或者不知名的感染者進入人口密集的公眾場合，
Ebola might have become a worldwide epidemic.
那么，埃博拉病毒很可能會席卷全球。
However, soon after these fierce outbreaks, the virus died out, at least temporarily.
然而，經過幾次肆虐之后，“埃博拉”病毒銷聲匿跡了，至少暫時被控制住了。
Ebola was so deadly and killed so quickly that within a short period of time, there was no one around to infect.
“埃博拉”病毒的傳播和致死率如此之高，在短時間內，幾乎無人幸免。
Hospital workers in at least one case deserted their workplace in panic, thus halting the administering of potentially unclean disease spreading injections, but Ebola has not disappeared.
醫護人員因恐慌而逃離醫院的舉動，某方面來說也降低了潛在的病毒通過注射蔓延的概率。
With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.
若還沒有找到任何防治措施的話，下一次的病毒來襲只是時間長短的問題。
Questions 22 to 25 are based on the passage you have just heard.
問題22到25是根據上面文章所提出的問題
Question 22. What is Ebola virus named after
問題22 埃博拉病毒是根據什么命名的？
Question 23. What do we learn about Ebola-Zaire and Ebola-Sudan?
問題23 蘇丹埃博拉病毒和扎伊爾埃博拉病毒分別指的是？
Question 24. How do people get infected with the disease according to the speaker?
問題24 人們是如何感染上這種病毒的？
Question 25. What does the speaker believe?
問題25 作者的觀點是什么？
