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Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. Which of the following statements is true, according to the news
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Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now, listen to the conversation. What is the possible relationship between the two speakers
Ⅰ级防水屋面应选用高聚物改性沥青防水卷材，二道防水设防。( )
TEXT A E-commerce Is Here to Stay Neither the absolute level of Internet sales nor the growth rate tells the whole story, but this year e-commerce became a mainstream retail channel. You don’t have to look far to find reasons for pessimism, however: a sluggish economy, the aftershocks of Sept. 11, and the problems of particular Web retailers. And even if consumer e-tailers don’t post big numbers during the holiday shopping season, Web retailers have done a lot of work behind the scenes to make the Internet a viable channel overall. Web commerce now has a more reasonable set of expectations. Many a dot-com company boasted that it would put traditional stores out of business. Remember Web grocers Like many of their dot-com peers, those who went it alone folded or were consumed by traditional grocers. Now, the once independent Web grocers make up the online channel for retail supermarkets. Likewise, e-tailers seldom think of themselves any more as the entire sales channel -- but that doesn’t mean they are disappearing altogether. Instead, they now form one part of a larger selling strategy. Not only has the Web channel become main stream, but also it has helped make a multichannel approach more effective. A customer can buy a sweater online, and then return it at the store. Or a customer can try that same sweater on in the store but buy it online. An online presence improves the shopping experience for consumers, while retailers benefit from the different points of interaction with potential customers. Finally, retail Web sites have done a better job at fulfillment, especially when dealing with tricky problems such as merchandise returns. Sites have also gotten better at delivering on promises. This year, you probably won’t see as many people complaining that the toys they bought for Christmas haven’t shown up or that orders were duplicated. Customer relationship management technology has helped sites manage customer concerns and improve relationships with customers. So don’t fall for the head-shaking this season over online retail. Business-to-consumer e-commerce is more than just here to stay -- it’s here now. The pessimistic view on the sluggish business on the whole is NOT due to ______
男性，34岁，2个月来无痛性颈淋巴结肿大，间断发热1个多月。查体：脾肋下 4cm。 如果颈部淋巴结活检为淋巴细胞、浆细胞、中性粒细胞、嗜酸粒细胞及中等量R-S细胞混同存在，最可能的诊断为
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