2013年12月四级词汇理解

2013年 12月四级 The mobile phone is a magic device widely used these days. Although it has been nearly 30 years since the first commercial mobile-phone network was launched, advertisers have yet to figure out how to get their  36  out to mobile-phone users in a big way. There are 2.2 billion cell-phone users worldwide, a  37  that is growing by about 25% each year. Yet spending on ads carried over cell-phone networks last year  38  to just $ 1.5 billion worldwide, a fraction of the $ 424 billion global ad market. But as the number of eyeballs glued to  39  screens multiplies, so too does the mobile phone's value as a pocket billboard (广告牌）.Consumers are  40  using their phones for things other than voice calls, such as text messaging, downloading songs and games, and  41  the Internet. By 2010, 70 million Asians are expected to be watching videos and TV programs on mobile phones. AH of these activities give advertisers  42  options for reaching audiences. During soccer's World Cup last summer, for example, Adidas used real-time scores and games to  43  thousands of fans to a website set up for mobile-phone access. "Our target audience