阶段检测四(模块四) part ⅰ listening comprehension(30 marks) section a(22.5 marks) directions:in this section,you will hear six conversations between two speakers.for each conversation,there are several questions and each question is followed by three choices marked a,b and c.listen carefully and then choose the best answer for each question. you will hear each conversation twice. conversation 1 1.who is frank stone? a.a visitor to the clinic. b.a friend of the woman's. c.a patient of dr milton's. 2.why won't mr stone come to the clinic tomorrow? a.he can't spare the time. b.the clinic will be closed.