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关于获得性免疫缺陷病的检测，下列描述错误的是
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导致AIDS患者死亡最主要的原因是
Work in pairs. Complete the conversation and then role-play it. You may use the information below.Nancy: Your lecture is really impressive, Mr Wu. You reminded us to watch what we say and avoid putting our foot in it. I like your opinions and the examples you used.Wu Shan: 1________? Thank you. And thanks for your careful organisation. The conference went really well.Nancy: I’m 2_______ to hear this.Wu Shan: The parallel sessions were wonderful, and I heard a lot of creative ideas from the discussion.Nancy: Yes, the atmosphere was so exciting. 3_________________ the jazz performance yesterday evening?Wu Shan: That was very good, relaxing and soothing.Nancy: It was a popular local band and all the music played was composed by themselves.Wu Shan: Wow, that’s brilliant!Nancy: 4___________ the meals? Did you enjoy them?Wu Shan: Yes. Since the meals were in a buffet style, I could choose whatever I wanted. The chicken and salad were really delicious, I have to say.Nancy: I like them, too.Wu Shan: By the way, I noticed that one of your guyswas 5_____________ on the spot. Can you email me my photos?Nancy: Yes, my colleague 6___________ was responsible for taking photos. I’ll ask him to send yours as soon as possible.Wu Shan: 7________________.Nancy: You’re welcome. When are you leaving tomorrow?Wu Shan: Well, I’ve booked the 10 a.m. flight. Congratulations again on the successfulconference!Nancy: Thank you. And I wish you 8______________.
简述杜邦综合财务分析体系的含义和特点？
简述杜邦财务综合分析体系的主要财务指标及联系？
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