_天津成考网

(34)___

• A、improvements
• B、changes
• C、protection
• D、development

(57)___

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