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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