一、勤洗手。科学家发现,感冒病毒在手上能存活2个小时,而在硬质物体表面能存活72小时。当感冒病人搽擦其鼻子时,其手上便沾染了感冒病毒,这些病毒就会被带到病人所接触的地方,如门把手、汽车扶手等。健康人一旦接触这些物体,手上就会沾上病毒。如果没洗手去摸自己的鼻子,抠眼睛,就会染上感冒。因此为了预防感冒,请您勤洗手。二、常换牙刷。我们使用的牙刷常处于潮湿状态,是病毒生长的最好温度。空气中的病毒一旦落到牙刷上,使用这样的牙刷也易患感冒。为了预防感冒,您要 First, wash your hands. Scientists found that the cold virus can survive in the hands of 2 hours, while the hard objects can survive 72 hours. When a cold patient wipes his nose, his or her hand is contaminated with the cold virus which is taken to the place where the patient is exposed, such as the door handle and the car armrest. When healthy people contact these objects, they will be stained with viruses on their hands. If you do not wash your hands to touch your nose, pull your eyes, it will catch a cold. Therefore, in order to prevent colds, please wash your hands frequently. Second, often change the toothbrush. The toothbrush we use is often wet and is the best temperature to grow a virus. Once the virus in the air falls on the toothbrush, the use of such a toothbrush is also susceptible to a cold. In order to prevent a cold, you want