Different from popular thoughts, sometimes flu（流感） is not caused by bad weather. It is caused by viruses in the body. 51 ,  A/H1N1 flu has been spreading in the most parts in the world. Some studies have now shown that one of 52 ways of spreading the viruses is through the air when 53  A/H1N1 flu-sufferer coughs or sneezes. However, its viruses can sometimes spread by  54 . After a flu-sufferer rubs his nose, the viruses might be spread to his hand. Then a friend 55 to visit him, they shake their hands. The friend then gets something 56 by hand, and several days 57 , he is infected. A child 58 is carrying A/H1N1 viruses uses tissues（面纸） to clean his running nose, although his parents pick up the tissues and carefully throw 59 away, they fail to wash their hands, and they will catch the viruses, too. So it is important for you to wash your hands often, it will stop the viruses from 60  in a way. 小题1: A．Recently B．Finally C．Luckily D．Happily 小题2:. A．more usual B．the most usual C．more unusual D．the most unusual 小题3: A．a B．the C．an D．/ 小题4: A．hands B．feet C．mouth D．legs 小题5: A．get B．leaves C．comes D．arrive 小题6: A．eat B．to eat C．eating D．eaten 小题7: A．ago B．before C．after D．later 小题8: A．which B．what C．who D．where 小题9: A．it B．them C．itself D．themselves 小题10: A．coming B．to come C．spreading D．to spread