Question

C

Recently the World Health Organization announced that the disease of

smallpox（天花）had almost been wiped out in most parts of the world, thanks to widespread vaccination（種牛痘）. Most people are vaccinated at least once in their lives and if they wish to travel from one country to another they must be able to prove that they have had a recent vaccination. In this way the disease has been prevented from spreading and today one seldom hears of it at all.

This is mainly because of the great discovery made by a village doctor, Edward

Jenner, in about 1798 when he published his report of his new experiment called vaccination (from the word ‘vacca’ meaning a cow). Jenner discovered that people who worked with cattle often suffered from a harmless disease which they caught from the cattle, but these people never seemed to get smallpox. So he experimented by putting the disease into a small opening on the arms of healthy people, and though their arms became painful for a day or two, they soon recovered and none of these people ever got smallpox.

So the news of the wonderful discovery spread to other countries and people

rushed to their doctors to be vaccinated. In many countries the simple way to deal with the arm was done on thousands of people, and the terrible smallpox began to disappear.

71．Vaccination against smallpox has been so successful that _________ .

A．the discoverer made a large amount of money

B．Dr Jenner was given a prize by the World Health Organization

C．smallpox has almost disappeared in most countries

D．smallpox was no longer in existence on earth

72 ．Smallpox has been prevented from spreading through the following measures EXCEPT that ________.

A．most people were vaccinated against the disease at least once

B．people going abroad should promise not to spread the disease

C．people travelling from one country to another must prove they are vaccinated

D．people must be vaccinated shortly before going to foreign countries

73 ．What led Dr Jenner to experiment with vaccination was that ________ .　

A．he wanted to make a great discovery and publish it

B．vaccination could make people's arms safe

C．he tried to cure the farmers of some disease caught from the cattle

D．those who worked with cattle seemed free from getting smallpox

74．The doctor's new discovery was called ‘vaccination’ for the reason that ________ .

A．he discovered smallpox near a farm

B．he experimented with a disease from the cattle

C．he was working with cattle in the countryside

D．people got the disease of smallpox from the cattle

75．The news of the discovery ________.

A．caught people's attention from all corners of the world

B．spread far and near in the western countries

C．made people rush to Dr Jenner for vaccination

D．helped to get rid of the terrible disease of smallpox

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