Flies (苍蝇) usually live in the dirty places.

Let’s look at a fly, and see where it  1  . First, it flies out of the window,  2   it stands on  3   dirty things in the street, and then it flies back to the house and walks over your  4  .

When a fly walks on the dirty things in the street, its  5   have got some germs  6   them. When the fly walks on your food with its dirty feet, it  7   the germs on your food.

What can you  8   this?

First, we learn that we mustn’t leave dirty things in the street or on the ground near  9  . Second, we learn that all food must be covered so that flies may not  1   it. Third, we learn that flies often carry germs and we must kill them as soon as we see them.

(  )1. A. walks            B. stands          C. lives            D. flies

(  )2. A. first             B. second          C. third            D. fourth

(  )3. A. some            B. any             C. every           D. each

(  )4. A. food             B. drink            C. cups            D. bowls

(  )5. A. body            B. feet             C. eyes            D. head

(  )6. A. in               B. to              C. on              D. over

(  )7. A. carries           B. has             C. leaves           D. takes

(  )8. A. study from       B. study for        C. learn for         D. learn from

(  )9. A. the factory       B. our door         C. our house       D. a window

(  )10. A. arrive           B. get              C. arrive in         D. get to

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