简答题Directions: In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A),B), C) and D). Then mark the corresponding letter on Answer Sheet I with a single line through the centre. [音频]简答题Directions: In this section, you will hear three passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A),B), C) and D). Then mark the corresponding letter on Answer Sheet I with a single line through the centre. [音频]