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Section A (91) In the last few years the conventional wisdom has been that the advent of the new media will hasten the demise of print, and that the culture of print will soon be a thing of the past. But I wonder whether this confuses the content with the attachment we have to a particular kind of container. In fact, (92) a number of recent developments suggest that new media may actually be the salvation of old media, and could preserve and extend the best aspects of the print culture, while augmenting it with their various technological advantages. If this is true, then the future of old media is in embracing the new—a development we see most clearly with newspapers. Newspapers have been spurred by a simple economic fact: (93) more than a third of their revenue comes from classified advertising, which readily lends itself to searchable Web sites. In a defensive move, newspapers quickly and heavily invested in such online sites as CareerPath. corn, PowerAdz. corn, AdOne and Classified Ventures, and also use those companies for added exposure for national ads. Most have also put their own local classifieds online. (94) The Web sites, meanwhile, have become a way to broaden and deepen Newspapers' content as a potential source of revenue, as home pages attract new advertisers and subscribers. Knight Ridder's Real Cities network (RealCities. corn) is a good example. The portal site gets news from the chain's thirty-one dailies, as well as from Belo and Central newspapers, who are partners in the operation. And it features directories of community resources and business, classifieds, entertainment, shopping, free e-mail, community publishing, and search capability. Real Cities brought Knight Ridder $ 31.4 million in revenue in 1999. The New York Times is another. The paper's robust Web site has attracted 11.4 million registered non-paying readers ( as of April, up 61.9 percent from a year earlier). In order to get access to the site, readers must offer some basic personal data, which will eventually be used for direct marketing. (95) By 1999 nearly half of those registered readers reported that they had never purchased a paper copy of the Times, which means that the online version was introducing the brand to an entirely new group. The Web presence also helps the Times's print circulation; the paper gained some 12,000 new subscribers via the site in the first half of 1999. (56)
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【简答题】原电池中电子流出的一极是原电池 的 极,该极发生 反应,电子流入的一极是原电池的 极, 该极发生 反应。
【单选题】足月新生儿女,出生 5 天。阴道流出少量血性液体,无其他出血倾向。反应好,吸吮有力,大小便正常,正确的护理措施是
A.
无须处理
B.
连续肌内注射 Vit K 1
C.
局部包扎止血
D.
静脉滴注安络血
E.
换血疗法
【单选题】足月新生儿,女,出生5天。阴道流出少量血性液体,无其他出血倾向,反应好,吸吮有力,大小便正常。正确的护理措施
A.
无需处理
B.
凝血功能检查
C.
进行阴道冲洗
D.
立即通知医生处理
E.
止血
【单选题】下列说法中正确的是(  )。
A.
原电池中的电极一定要由两种不同的金属组成
B.
原电池中电子流出的一极是正极,发生氧化反应
C.
原电池两极均发生氧化还原反应
D.
原电池中阳离子向正极移动
【单选题】下列说法正确的是(  )
A.
原电池是把电能转化为化学能的装置
B.
原电池中电子流出的一极是正极
C.
原电池的两极发生的反应均为氧化还原反应
D.
形成原电池后,原电池中的阳离子移向正极
【简答题】足月新生儿,女,出生5天。阴道流出少量血性液体,无其他出血倾向。反应好,吸吮有力,大小便正常。正确的护理措施是( )。 A.无需处理 B.换血治疗 C.局部包扎止血 D.静脉滴注安络血 E.连续肌注维生素K
【单选题】下列有关原电池的说法中正确的是(  )
A.
原电池是把电能转为化学能的装置
B.
原电池中电子流出的一极是负极,发生还原反应
C.
构成原电池两极必须是两种不同的金属
D.
原电池中的阳离子向正极移动
【单选题】足月新生儿女,出生5天。阴道流岀少量血性液体,无其他出血倾向。反应好,吸吮有力,大小便正常。正确的护理措施是
A.
无需处理
B.
换血治疗
C.
局部包扎止血
D.
静脉滴注安络血
E.
连续肌注维生素K1
【单选题】下列关于Cu—Zn原电池的说法正确的是
A.
在原电池中,电子流出的一极为负极
B.
原电池中,发生还原反应的电极是负极
C.
原电池中,电流的方向是从负极到正极
D.
在Cu—Zn原电池中,Cu做负极
【简答题】在原电池中电子流入的一极是(),电子流出的一极是()。
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