精选优质文档-倾情为你奉上Passage OneQuestions 46 to 50 are based on the following passage.You may have heard that Coca-Cola once contained an ingredient capable of sparking particular devotion in consumers: cocaine. The“coca” in the name referred to the extracts of coca leaf that the drinks originator, chemist John Pemberton, mixed with his sugary syrup(姜汁). At the time, coca leaf extract mixed with wine was a common tonic(滋补品), and Pembertons sweet brew was a way to get around local laws prohi
