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Unit 4:Yes, but it was a long time ago.This is how the story goes.A footballer 1 taking money for deliberately not scoring goals 2 let the other team win.We went to interview him.He denied taking money but we were skeptical.So we arranged an interview between the footballer and the man 3 bribe him.When we saw them together we guessed from the footballer's body language that he was not telling the truth.So we wrote an article 4 .It was a dilemma because the footballer 5 if we were wrong.He tried to stop us publishing it but later we were proved right.
Unit 5:The skin is 6 and its largest organ.You have three layers of skin which 7 disease, poisons and the sun's harmful rays.The functions of your skin are also very complex:it keeps you warm or cool; it 8 too much water; it is where you feel cold, heat or pain and it gives you your sense of touch.So 9 , if your skin 10 it can be very serious.First aid is a very important first step in the treatment of burns.
The common cold is the world's most widespread illness, which is a plague that man receives.
The most widespread mistake of all is that colds are caused by cold. They are not. They are caused by viruses passing on from person to person. You catch a cold by coming into contact directly or indirectly, with someone who already has one. If cold causes colds, it would be reasonable to expect the Eskimos to suffer from them forever. But they do not. And in isolated Arctic regions, explorers have reported being free from colds until coming into contract again with infected people from the outside world by way of packages and mail dropped from airplanes.
During the First World War, soldiers who spent long periods in the trenches, cold and wet, seldom caught colds.
In the Second World War, prisoners at Auschwitz concentration camp, naked and starved, were astonished to find that they seldom had colds.
At the Common Cold Research Unit in England, volunteers took part in experiments in which they gave themselves to the discomforts of being cold and wet for long stretches of time. After taking hot baths, they put on bathing suits, allowed themselves to be with cold water, and then stood about dripping wet in a room. Some wore wet socks all day while others exercised in the rain until close to exhaustion. Not one of the volunteers came down with a cold unless a cold virus was actually dropped in his nose.
If then, cold and wet have nothing to do with catching colds, why are they more frequent in winter? Despite the most hard research, no one has yet found out the answer. One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times, and that makes it easier for cold viruses to be passed on.
No one has yet found a cure for the cold. There are drugs and pain-killers such as aspirin, but all that they do is to relieve the symptoms.
49. The writer offered ___ examples to support his argument.
A. 4 B. 5 C. 6 D. 3
50. Arctic explorers may catch colds when___.
A. they are working in the isolated Arctic regions
B. they are writing reports in terribly cold weather
C. they are free from work in the isolated Arctic regions
D. they are coming into touch again with the outside world
51. Volunteers taking part in the experiments in the Common Cold Research Unit___.
A. suffered a lot B. never caught colds
C. often caught colds D. became very strong
52 . The passage mainly discusses___.
A. the experiments on the common cold B. the fallacy about the common cold
C. the reason and the way people catch colds D. the continued spread of common colds
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