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DOM is a platform－and language－(21)API that allows programs and scripts to dynamically acc
DOM is a platform-and language-(21)API that allows programs and scripts to dynamically access and update the content, structure and style. of WWW doc
21－Is
it OK to take this seat? －Sorry. _______ A. here you are B. take it C. it’s taken D.
21－Is it OK to take this seat?－Sorry. _______A. here you are B. take itC. it’s taken D. never mind
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