①Ahh...ahhhh...aaahhhhchooo! That sneeze is uncovered, and so the germs(细菌) fly through the air. It is pretty awful to think about, but have you ever wondered about the germs in your body? They are very small organisms(生物体) that live inside us. An organism is a living thing. Germs area live, and they can cause us to get sick. It is impossible to keep germs out of our bodies. They are so tiny that we do not even know they are coming inside our bodies. The only way we know that germs have made us sick is when we begin to feel symptoms. We might get a fever or a sore throat. We might have a runny nose or a headache.
②Germs are usually spread through the air They come out in a sneeze, a cough, or a breath. They can also be spread by saliva(唾液), sweat(汗), or blood. Sometimes, they come from touching something. For example, a person can touch his or her nose and then touch a doorknob(门把手). If someone else touches that doorknob right away, he or she can pick up those germs.
③How can you protect yourself from germs? The most important way to do this is to wash your hands. Soap and water area germ's enemies. They wash the germs away. This is why it is so important to wash your hands throughout the day. But a quick splash(飞溅) will not work. Hands should be washed for about twenty seconds.
④Staying healthy also keeps germs away. This means getting enough rest and not being too tired. It also means having good foods and exercising. These are germ-fighting secrets!
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