Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE. 听力原文:W: Professor Clark said that the mid-term exam would cover the first 15 lessons. M: Really? I thought it only included the first 12 lessons. Then I must spend the weekend going over the rest of the lessons. How many lessons must the man review over the weekend?