第二部分阅读理解(共两节.满分40分)
第一节(共15小题;征小题2分，满分30分)
阅读下列短文，从每题所给的四个选项(A、 B、 C和D)中，选出最佳选项，并在题卡上将该项涂黑。
A
The common cold is the world's most widespread illness，which is plagues(疫病)that flesh receives. The most widespread fallacy(谬误)of all is that colds are caused by cold. They are not. They are caused by viruses(病毒)passing on from person to person. You catch。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 contact 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(战壕)，cold and wet，showed no increased tendency to catch colds.
In the Second World War prisoners at the notorious Auschwitz concentration camp(奥斯维辛集中营)，naked
