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【正】 If a small child swallows a coin or some o ther hard thing.as sometimeshappens,the doctor will take an X-ray photograph to find OHt just wherethe object has got to in the child’s body.(College Engcish,胡文仲等编著,P.138,B.2)课文注释(P.141)作了简明的阐述:As is used her