简答题Listen to the tape and decide whether the following word you hear are the same or different. 7.1 练习音频 2分37秒.MP3简答题Listen to the following dialogue and judge whether the follow statement is true. The dialogue is about an exhibition, which tells about life in the future, man and his environment 100 years from now. 7.2 练习音频 4分18秒.MP3