Questions 4 to 7 are based on the following
conversation. At the end of the conversation, you will be given 20 seconds to
answer the questions. Now listen to the
conversation. What is true of Potter’s first lecture
A．There was an interesting start and a well-organized end. B．There was a natural transition from its introduction to the following part. C．The part about the western development was good. D．The whole lecture was over-detailed and formless.