When you have a cold, you must be unhappy (不快乐) because your body bees 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 bee big and red, and you will have much pain in it. Sometimes germs will go into your body and you will have pain everywhere.
【小题1】The word “germ” means (意思是) .A．细菌B．废气C．煤气D．空气【小题2】You can see germs .A．when you are illB．only when you use a microscopeC．when you cut your fingerD．everywhere around you【小题3】Your parents won’t allow(允许) you to drink dirty water because .A．dirty water will make you dirtyB．there are many germs in it and germs can make you illC．you can see many germs in itD．it will make your finger red and big【小题4】The writer(作者) talks about .A．how to keep dirty water cleanB．how to look after your fingersC．how to find germs in the dirty waterD．what can make you illA
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(答案→)A
解析：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。
【小题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。
【小题2】根据but you can see them with a microscope (显微镜).描述可知选B。
【小题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。
【小题4】这篇短文主要分析了我们的致病原因，故选D。