第一节听下面5段对话，选出最佳答案。每段对话仅读一遍。 1. what is maria going to do next? a. prepare for her history class. b. go to her physics lecture. c. help tim with his project. 2. who are the speakers? a. mother and son. b. classmates. c. teacher and student. 3. how many hours does the woman work on wednesday? a. 12. b. 10. c. 7. 4. what is the man doing? a. looking for a job. b. interviewing（采访）the woman. c. checking into（登记住宿）a hotel. 5. what did the man think of the movie?
