完形填空。
Is food important for us? The answer is YES. If we do not eat   1   , we will feel hungry. If we can
not find food when   2    are hungry, we may feel very   3   . Maybe we can become sick, then die
later. Now we have another problem, if we eat, what kind of food is   4   for us? Is meat better than
vegetables and fruits?   5   vegetables and fruits  6  than meat? For some people, it is very easy to
answer this  7   : Vegetables and fruits are surely(一定) better than meat, because they   8   eat meat.
For most of us, it is not very easy to decide on   9   is better. Doctors say it is not really important for
us to decide on which is better, meat or vegetables and fruits, but it is   10   to take a balanced diet of
meat and vegetables and fruits.
(     )1. A. water
(     )2. A. we
(     )3. A. calm
(     )4. A. good
(     )5. A. Are
(     )6. A. cheaper
(     )7. A. problem
(     )8. A. always
(     )9. A. which
(     )10. A. interesting

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