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  3. Germs are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air! Like people,

Germs are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air! Like people,

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问题         Germs are everywhere. You can’t see them, but they are on your desk, on your computer, and even in the air!
        Like people, germs move around the world. They fly with us on planes. When food, clothes, and other things travel around the world, germs travel, too. Some germs are safe, but some are dangerous. Germs cause illnesses like colds and the flu.
        Warmer Weather Brings Germs
        The world’s weather is changing. Cooler places are getting warmer, so insects from hot places can move there. Some of these insects, like mosquitoes, carry dangerous germs. These germs cause headaches, fever, and can even kill people.
        Under Your Skin
        Your skin protects you from germs. It stops some germs, but not all. They can enter your body when you eat, or when you have a cut. Germs are on your hands. They enter your body when you touch your eyes, nose, or mouth.
        ___________________
        Your immune system also protects you. When germs get inside your body, your immune system finds and kills them. Special cells move around your body and fight germs. They help you stay healthy. Other cells make antibodies. Antibodies help your body find and stop germs. What can you do to fight with germs? Absolutely you should have some good habits in everyday life, such as washing your hands with soap and water. Soap kills many germs, and water washes them away.
What do antibodies do?
选项
答案Antibodies/They help your body find and stop germs.
解析 根据最后一段的第六句话可知答案。
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