【单选题】听力原文:W: Can you tell me the least expensive way to get to New York City? M: If you go by bus it' s only $ 25. But if you go by train, it's almost twice that much. What does this man explain to the wom...
【单选题】听力原文:W: Can you tell me the cheapest way to get to California? M: If you go by bus, it is only $60. But if you go by train, it is almost twice that much. What does the man mean?
【简答题】Retell the main idea of the video you've watched just now. Remember: the words and questions in PPT will help you. Besides, you may begin your retelling with the sentence: Yin and Yang theory, a tradi...