职称英语考试卫生B级考试题库|阅读判断
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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 eyerywhere. You can't see them ,but they're there. They're sitting on your desk. They're hiding on your computers keyboard. They're even in the air that you are breathing. There are two types of germs：viruses and bacteria （细菌）。

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 （有营养的）diet to make your
immune system strong. You can also help your immune system fight germs by getting
vaccinated （接种）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.
A Right
B Wrong
C Notmentioned
17. All bacteria cause illnesses.
A Right
B Wrong
C Notmentioned
18. Washing your skin can prevent some illnesses.
A Right
B Wrong
C Notmentioned
19. Germs can enter the body through the eyes.
A Right
B Wrong
C Notmentioned
20. The heart contains the body's strongest muscle.
A Right
B Wrong
C Notmentioned
21. After they kill germs,antibodies stay in the body.
A Right
B Wrong
C Notmentioned
22 Vaccines can make you sick.
A Right
B Wrong
C Notmentioned
答案与解析
16. B 短文第二段中间说“病毒是只能生活在动物或植物内的致病菌”本题没有提到植物,故是错的。

17. B 第二段后半部说到,细菌有好有坏,不是全都会引起疾病。

18. A 第三段第二、三句就说到,用肥皂洗皮肤可以防止某些致病菌。

19. A 第三段最后一句说到,“致病菌可以通过皮肤破口、口腔、眼睛和鼻子进人人体”。

20. C 整篇文章都没有提到心脏。

21. A 倒数第二段倒数第三句就说到“致病菌被消灭以后,抗体仍存在体内”。

22. B 最后一段的后半部说的是“疫苗是药物,其所含的死菌只能帮助产生抗体,而不会致病”。