单选题 The project was completed on time because the cooperation between the two compames.
  • A. cooperation
  • B. connection
  • C. combination
  • D. agreement


【正确答案】 A
【答案解析】本题是对常见名词也涉及到派生词的考查。co+labor+ate+ion=collaboration合作；co+operate+ion=cooperation合作；connect+ion=connection连接，联系；combine+afion=ombination结合；agree+ment=agreement同意。