【简答题】Questions 23 to 25 are based on the conversation you have just heard . 23. A ) The man has sent the order to the woman by mistake B ) Some of the telephone systems don ’ t work properly C ) Some of th...
【简答题】One of the most successful commercial products ever launched is said to have come about as the result of a mistake. In 1896, Jacob’s Pharmacy in Atlanta, Georgia, was selling a nerve tonic known as “F...