_天津成考网

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• A、simple

• B、beneficial

• C、interesting

• D、obvious

Directions:In each of the following groups of words,there are four underlined letters or letter combinations marked A,B,C and D.Compare the underlined parts and iden-tdtify the one that is different from the others in pronunciation.Mark your answer by blackening the corresponding letter on the Answer Sheet.

• A、combination
• B、climbing
  
• C、bamboo
• D、ambition

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