2. 外语
  3. 【B1】______When they dry up, they leave ugly scars on the skin. For centuries it killed the rich and poor alike, spreading fast w

【B1】______When they dry up, they leave ugly scars on the skin. For centuries it killed the rich and poor alike, spreading fast w

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问题     【B1】______When they dry up, they leave ugly scars on the skin. For centuries it killed the rich and poor alike, spreading fast when it took hold in an area, and often seriously disfiguring or blinding those sufferers who escaped death. It was not until 1980 that the World Health Organization declared that the disease was eradicated, after the final recorded case in Somalia in 1977.
    【B2】______It eventually offered reliable protection and caused smallpox to disappear completely. Jenner was bom in 1749 and, after studying medicine, lived and worked as a doctor in a small village, Berkeley, in rural Gloucestershire, England. There he saw people suffering both from smallpox and from cowpox, a weaker, much less dangerous form of infection, frequently found in
cows. He made the interesting observation that the local people who caught cowpox because of their daily contact with cattle did not catch smallpox, even if close friends and family were infected. By experimenting on local people, therefore, Edward Jenner was able to prove, in 1796, that injections of the cowpox virus could provide protection against smallpox. This process was called vaccination, from vacca, the Latin word for cow.
    【B3】______The immunity he provided against one of history’s most terrifying diseases brought him fame and fortune. He was paid generous sums by the government when the authorities realized the importance of his achievement. He was also given the freedom of the City of London in 1805, an honour not lightly granted. He died in 1823.
    【B4】______ By this time, vaccination had become a compulsory part of many countries’ public health programmes. It may seem surprising that Jenner’ s great discovery was not fully exploited at the time. This can be partly explained by the fact that complete eradication required a concerted effort from all countries.
    【B5】______ The lives of millions of people have been saved by his careful observation and clinical work.
Questions 61 - 65
Complete the passage with the following sentences. There are two extra sentences that you do not need to use.
A. In the village of Berkeley, there is a museum which aims to remind people of Edward Jenner’ s pioneering achievement.
B. After a lifetime of hard work, Jenner finally retired to the country, still hoping for the recognition he felt he had earned.
C. Although other studies were being carried out elsewhere in Britain during the eighteenth century, Jenner made the clinical breakthrough.
D. Smallpox was not finally wiped out, however, until over a century later.
E. Smallpox is an acute, highly infectious disease, producing high fever and a pinkish rash of spots.
F. The first symptoms of smallpox usually appear 12 to 14 days after you are infected.
G. Over two hundred years ago the English physician Edward Jenner discovered the process of vaccination.
【B4】
选项
答案D
解析 该空后面提到“到那时，疫苗接种已经成为许多国家公共卫生计划的一个强制性部分”。由此可知，空白处应该与消灭天花的时间有关，符合条件的只有D项。
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