Question

When you have a cold, you must be unhappy (不快乐) because your body becomes hot, and there are pains (疼痛) all over. You don’t want to work, you stay in bed, feeling terrible.

What makes you ill? It’s germs. Germs are everywhere. They are very small and you can’t find them with your eyes but you can see them with a microscope (显微镜). They are very small and there could be hundreds of them in or on a very small thing.

Germs are always found in dirty water. When you look at dirty water under the microscope, you can see them in it.

Germs are found not only in water. They are also found in air and dust (灰尘). If you cut your finger (手指), and if some of the dust goes into the finger, it will become big and red, and you will have much pain in it. Sometimes germs will go into your body and you will have pain everywhere.

1.The word “germ” means (意思是)___________.

A．细菌             B．废气             C．煤气             D．空气

2.You can see germs____________.

A．when you are ill

B．only when you use a microscope

C．when you cut your finger

D．everywhere around you

3.Your parents won’t allow(允许) you to drink dirty water because_________.

A．dirty water will make you dirty

B．there are many germs in it and germs can make you ill

C．you can see many germs in it

D．it will make your finger red and big

4.The writer(作者) talks about__________.

A．how to keep dirty water clean

B．how to look after your fingers

C．how to find germs in the dirty water

D．what can make you ill

 

Answer 1

【答案】

1.A

2.B

3.B

4.D

【解析】

试题分析：这篇短文主要描述了细菌对我们健康的伤害以及细菌所处的环境。

1.根据下文They are very small and you can’t find them with your eyes but you can see them with a microscope (显微镜).描述可知指的是细菌，故选A。

2.根据but you can see them with a microscope (显微镜).描述可知选B。

3.根据Germs are always found in dirty water. When you look at dirty water under the microscope, you can see them in it 可知选B。

4.这篇短文主要分析了我们的致病原因，故选D。

考点：关于细菌的说明文

点评：本文浅显易懂，层次分明，学生很容易把握文中中心内容。答题中注意带着问题阅读短文，一般就能顺利找出答题依据。对于不能直接找到根据的问题注意联系上下文，根据短文中心总结出正确答案。