1. 根据材料内容，选择正确答案。

    Germs are always in dirty water. When you look at dirty water under a microscope, you will see them in it. So your parents will not let you drink dirty water.

    Germs are found not only in dirty water, they are also found in air and dust. If you cut your finger, 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 they will go into your body and you will have pain everywhere.

1. （1） Germs are always in        .

   A . clean water B . dirty water C . everywhere D . A, B and C
3. （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
5. （3） A microscope is used for         .

   A . making very big things look much smaller B . making very small things look much bigger C . helping you see things clearly D . killing germs
7. （4） Your parents don't let you drink dirty water because         .

   A . water will make you sick    B . there are many germs in it C . you can see germs in it D . it will make your finger become big and red
9. （5） In this story, the word "microscope" means          in Chinese·

   A . 眼镜 B . 放大镜 C . 显微镜 D . 镜子