2012年職稱英語考試試題及答案-衛(wèi)生類C級閱讀判斷

　　第二部分：閱讀判斷(第16~22題，每題1分，共7分)$lesson$

　　下面的短文后列出了7個句子，請根據(jù)短文的內(nèi)容對每個句子做出判斷;如果該句提供的是正確信息，請選擇A;如果該句提供的是錯誤信息，請選擇B;如果該句的信息文中沒有提及，請選擇C。

Tiny Invaders

　　The human body is truly amazing. It allows us to sense the world around us, to do work and have fun, and to move from place to place. In fact, the human body does its work so well that most people don't think about it very much -- until they get sick.

　　The germs(致病菌)that make people sick are everywhere. You can't see them, but they're there. They're sitting on your desk. They're hiding on your computer's keyboard. They're even in the air that you are breathing. There are two types of germs: viruses and bacteria(細(xì)菌).Viruses are germs that can only live inside animals or plants. Viruses cause illnesses such as flu and measles(麻疹).Bacteria are tiny creatures. Some bacteria are good. They can help your stomach break down food. Other bacteria aren't so good. They can-make you sick. Bacteria can cause sore throats(喉痛)and ear infections.

　　How can you stop these tiny invaders from making you sick? Your skin is the first defense against germs. You can prevent some illnesses simply by washing, with soap and water. But germs can still enter the body through small cuts in the skin or through the mouth, eyes, and nose.

　　Once germs are inside your body, your immune(免疫的)system tries to protect you. It looks for and destroys germs. How does it do that? Special cells patrol your body. Some of these cells actually eat germs! Other cells make antibodies. An antibody sticks to a germ. There is a different antibody for each kind of germ. Some antibodies keep germs from making you sick. Others help your body find and kill germs. After a germ is destroyed, the antibodies stay in your body. They protect you if the same kind of germ comes back. That way you will not get the same illness twice.

　　You can keep your body healthy by eating a nutritious(有營養(yǎng)的)diet to make your immune system strong. You can also help your immune system fight germs by getting vaccinated(接種).Vaccines are medicines. They contain germs that have been killed or weakened. The dead germs can't make you sick. Instead, they cause your body to make antibodies.If the same germ ever shows up again, then your antibodies attack it.

　　16. Viruses can only live inside people or animals.

　　【參考答案】：B

　　17. All bacteria cause illnesses.

　　【參考答案】：B

　　18. Washing your skin can prevent some illnesses.

　　【參考答案】：A

　　19. Germs can enter the body through the eyes.

　　【參考答案】：A

　　20. The heart contains the body's strongest muscle.

　　【參考答案】：C

　　21. After they kill germs, antibodies stay in the body.

　　【參考答案】：A

　　22. Vaccines can make you sick.

　　【參考答案】：B

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