【判断题】垄断行业由于存在规模经济,所以是效率最高的市场类型。
【单选题】— I'm sorry to have caused you so much trouble. —_______. [ ]
【简答题】P7 EX5 Five people from different companies are attending a J&C workshop on public speaking. Match their job titles (1-5) with their responsibilities (A-E). Write their correct letter A-E for each job...
【单选题】---I’m sorry to have caused so much trouble. --- .
【判断题】垄断行业由于存在规模经济,所以是效率最高的。
【单选题】Sorry to have caused you ________.
【判断题】建立总能系统概念,优化用能系统,使一次能源、ニ次能源及余热均得到充分利用无法提高总能系统的能源利用率。
【单选题】- I’m sorry to have caused you so much trouble. -_______. [ ]
【简答题】Five people from different companies are attending a J&C workshop on public speaking. Match their job titles (1-5) with their responsibilities (A-E). Write the correct letter A-E for each job.
【单选题】Sorry to have caused you ________.