( D ) 64. If you , your teeth will be bad.
A. eat too many candies B. don’t brush your teeth
C. drink too many sodas D. all of the above (以上所有)
( A ) 65. About young people don’t have sodas every day.
A. 10% B. 30% C. 70% D. 90%
( B) 66. According to the passage, can make the teeth bad.
A. the salty things B. the sour things
C. the hot things D. the cold things
( D ) 67. The writer wants to tell us to
A. eat more fast food B. drink water every day
C. drink sodas every day D. protect oue teeth