Directions: The following is an introduction to a disease-cold. After reading it, you should give brief answers to the 5 questions （No.56 to No.60） that follow. The answers（in no more than 3 words）should be written after the corresponding numbers on the Answer Sheet. The common cold is the world's most widespread illness, which is probably why there are more myths about it than any of the other diseases. The most widespread wrong idea of all is that colds are caused by cold. They are not.They are caused by viruses passed on from 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 permanently. But they do not. If, then, cold and wet have nothing to do with catching colds, why are they more prevalent in the winter.'？ Despite the most painstaking research, no one has yet found the answer. One explanation offered by scientists is that people tend to stay together indoors more in cold weather than at other times, and this makes it easier for cold viruses to be passed on. ……
